{"id":7340,"date":"2026-06-16T06:49:07","date_gmt":"2026-06-16T06:49:07","guid":{"rendered":"http:\/\/australianholden.com\/?p=7340"},"modified":"2026-06-21T11:25:52","modified_gmt":"2026-06-21T11:25:52","slug":"holden-253-308-v8-issues-explained","status":"publish","type":"post","link":"https:\/\/australianholden.com\/index.php\/2026\/06\/16\/holden-253-308-v8-issues-explained\/","title":{"rendered":"Holden 253 &amp; 308 V8 Issues Explained"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Few engines are more iconic in Australian motoring history than the Holden 253 and 308 V8. Introduced during the late 1960s, these engines powered some of Holden&#8217;s most memorable vehicles, including the HK Monaro, Kingswood, Premier, Statesman, Sandman, Torana and later Commodore models.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 253 cubic-inch (4.2-litre) and 308 cubic-inch (5.0-litre) V8s quickly earned a reputation for reliability, simplicity and strong low-down torque. Even today, decades after production ended, thousands remain in service across Australia in everything from restored classics to modified street machines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, no engine is perfect. Most surviving Holden V8s are now between 40 and 55 years old, and age-related wear has become increasingly common. Oil leaks, overheating, timing chain wear and ignition problems are among the issues owners frequently encounter.<\/p>\n\n\n<div id=\"fu_ebay_0\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 0 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_0\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;V8<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_0 = null;\nvar waitForDepends_fu_ebay_0 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_0);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_0 = jQuery(\"#fu_ebay_0\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"V8\",\nfu_ebay_query : \"253 308 V8\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 0,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_0.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">A Brief History of the Holden V8<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The Holden V8 was Australia&#8217;s first locally designed and manufactured V8 engine.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Available Capacities<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>253 cubic inches (4.2 litres)<\/li>\n\n\n\n<li>308 cubic inches (5.0 litres)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Found In<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HK, HT and HG Holden<\/li>\n\n\n\n<li>HQ, HJ, HX and HZ Holden<\/li>\n\n\n\n<li>WB Holden<\/li>\n\n\n\n<li>LH, LX Torana<\/li>\n\n\n\n<li>VB to VL Commodore<\/li>\n\n\n\n<li>HQ &#8211; WB Statesman models<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Both engines share the same basic architecture, meaning many problems and repair procedures are identical.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Timing Chain Wear<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most common Holden V8 issues is timing chain wear.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Poor performance<\/li>\n\n\n\n<li>Rough idle<\/li>\n\n\n\n<li>Hard starting<\/li>\n\n\n\n<li>Reduced fuel economy<\/li>\n\n\n\n<li>Ignition timing instability<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High mileage<\/li>\n\n\n\n<li>Poor maintenance<\/li>\n\n\n\n<li>Original nylon timing gear deterioration<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Many factory timing gears used nylon teeth that become brittle with age.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Why Nylon Timing Gears Fail<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Holden used nylon-coated camshaft gears to reduce engine noise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unfortunately, these gears often fail after decades of service.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Common Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sudden loss of power<\/li>\n\n\n\n<li>No-start condition<\/li>\n\n\n\n<li>Backfiring<\/li>\n\n\n\n<li>Timing irregularities<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Many Holden V8 owners replace the original setup as preventative maintenance.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Timing Chain Upgrade<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Rollmaster Double Row Timing Set<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Increased durability<\/li>\n\n\n\n<li>Improved timing accuracy<\/li>\n\n\n\n<li>Eliminates nylon gear failure<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>253 V8s<\/li>\n\n\n\n<li>308 V8s<\/li>\n\n\n\n<li>Performance builds<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_1\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 1 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_1\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Rollmaster<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_1 = null;\nvar waitForDepends_fu_ebay_1 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_1);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_1 = jQuery(\"#fu_ebay_1\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Rollmaster\",\nfu_ebay_query : \"Rollmaster Holden 253 308 timing chain\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 1,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_1.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Oil Leaks<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Oil leaks are among the most common complaints.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Common Leak Locations<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rocker cover gaskets<\/li>\n\n\n\n<li>Rear main seal<\/li>\n\n\n\n<li>Timing cover gasket<\/li>\n\n\n\n<li>Sump gasket<\/li>\n\n\n\n<li>Oil pressure sender<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Most Holden V8s develop at least minor leaks as they age.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Rear Main Seal Leaks<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The rear main seal is particularly notorious.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oil dripping from bellhousing<\/li>\n\n\n\n<li>Oil spots on garage floor<\/li>\n\n\n\n<li>Constant oil loss<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seal wear<\/li>\n\n\n\n<li>Crankshaft wear<\/li>\n\n\n\n<li>High engine mileage<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Repairing the rear main seal typically requires transmission removal.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Gasket Set<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Permaseal Complete Engine Gasket Kit<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quality materials<\/li>\n\n\n\n<li>Comprehensive coverage<\/li>\n\n\n\n<li>Excellent availability<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Engine rebuilds<\/li>\n\n\n\n<li>Leak repairs<\/li>\n\n\n\n<li>Preventative maintenance<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_2\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 2 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_2\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Permaseal Holden V8 gasket kit<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_2 = null;\nvar waitForDepends_fu_ebay_2 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_2);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_2 = jQuery(\"#fu_ebay_2\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Permaseal Holden V8 gasket kit\",\nfu_ebay_query : \"Permaseal Holden V8 gasket kit\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 2,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_2.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Cooling System Problems<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Overheating is another common issue affecting ageing Holden V8s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperature gauge climbing<\/li>\n\n\n\n<li>Coolant loss<\/li>\n\n\n\n<li>Boiling coolant<\/li>\n\n\n\n<li>Poor summer performance<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Blocked radiators<\/li>\n\n\n\n<li>Failing water pumps<\/li>\n\n\n\n<li>Worn fan clutches<\/li>\n\n\n\n<li>Sediment buildup<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Many cooling problems are maintenance-related rather than design flaws.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Water Pump Failure<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The water pump plays a critical role in engine cooling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coolant leaks<\/li>\n\n\n\n<li>Bearing noise<\/li>\n\n\n\n<li>Overheating<\/li>\n\n\n\n<li>Poor coolant circulation<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seal failure<\/li>\n\n\n\n<li>Bearing wear<\/li>\n\n\n\n<li>Age-related deterioration<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Best Water Pump Upgrade<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: GMB Water Pump<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>OEM-quality performance<\/li>\n\n\n\n<li>Reliable cooling<\/li>\n\n\n\n<li>Excellent value<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Holden 253<\/li>\n\n\n\n<li>Holden 308<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_3\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 3 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_3\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;GMB Holden V8 water pump<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_3 = null;\nvar waitForDepends_fu_ebay_3 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_3);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_3 = jQuery(\"#fu_ebay_3\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"GMB Holden V8 water pump\",\nfu_ebay_query : \"GMB Holden V8 water pump\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 3,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_3.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Oil Pressure Problems<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Many owners become concerned when oil pressure drops as the engine warms up.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Low gauge readings<\/li>\n\n\n\n<li>Flickering oil light<\/li>\n\n\n\n<li>Engine noise<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Worn bearings<\/li>\n\n\n\n<li>Oil pump wear<\/li>\n\n\n\n<li>Incorrect oil viscosity<\/li>\n\n\n\n<li>Gauge inaccuracies<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Not every low oil pressure reading indicates a major engine problem.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Oil for Holden V8s<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Penrite HPR 30<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suitable zinc content<\/li>\n\n\n\n<li>Excellent protection<\/li>\n\n\n\n<li>Designed for older engines<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stock V8s<\/li>\n\n\n\n<li>Mild performance engines<\/li>\n\n\n\n<li>Weekend cruisers<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_4\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 4 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_4\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Penrite HPR 30<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_4 = null;\nvar waitForDepends_fu_ebay_4 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_4);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_4 = jQuery(\"#fu_ebay_4\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Penrite HPR 30\",\nfu_ebay_query : \"Penrite HPR 30\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 4,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_4.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Ignition System Problems<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Ignition issues are common on older Holden V8s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hard starting<\/li>\n\n\n\n<li>Misfires<\/li>\n\n\n\n<li>Rough idle<\/li>\n\n\n\n<li>Poor fuel economy<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Worn distributor<\/li>\n\n\n\n<li>Failing ignition coil<\/li>\n\n\n\n<li>Points wear<\/li>\n\n\n\n<li>Vacuum advance failure<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Many vehicles still use original-style ignition systems.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Ignition Upgrade<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: PerTronix Ignitor Kit<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Eliminates points<\/li>\n\n\n\n<li>Improved reliability<\/li>\n\n\n\n<li>Easier starting<\/li>\n\n\n\n<li>Stronger spark<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Holden 253<\/li>\n\n\n\n<li>Holden 308<\/li>\n\n\n\n<li>Daily drivers<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_5\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 5 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_5\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Holden V8 ignition kit<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_5 = null;\nvar waitForDepends_fu_ebay_5 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_5);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_5 = jQuery(\"#fu_ebay_5\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Holden V8 ignition kit\",\nfu_ebay_query : \"Holden V8 ignition kit\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 5,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_5.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Fuel System Issues<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Carburettor-equipped Holden V8s often develop fuel-related problems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hard starting<\/li>\n\n\n\n<li>Hesitation<\/li>\n\n\n\n<li>Rough idle<\/li>\n\n\n\n<li>Poor fuel economy<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Worn carburettors<\/li>\n\n\n\n<li>Fuel contamination<\/li>\n\n\n\n<li>Weak fuel pumps<\/li>\n\n\n\n<li>Vacuum leaks<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fuel system faults are often mistaken for ignition problems.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Vacuum Leaks<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The Holden V8 relies heavily on proper vacuum operation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High idle speed<\/li>\n\n\n\n<li>Lean running<\/li>\n\n\n\n<li>Poor idle quality<\/li>\n\n\n\n<li>Brake booster issues<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Common Leak Areas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Carburettor base gasket<\/li>\n\n\n\n<li>Vacuum hoses<\/li>\n\n\n\n<li>Intake manifold gaskets<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Harmonic Balancer Problems<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Ageing harmonic balancers can create serious issues.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Engine vibration<\/li>\n\n\n\n<li>Timing inconsistencies<\/li>\n\n\n\n<li>Visible rubber deterioration<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Age<\/li>\n\n\n\n<li>Oil contamination<\/li>\n\n\n\n<li>Heat exposure<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A failing balancer should be replaced immediately.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Harmonic Balancer Upgrade<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: PowerBond Harmonic Balancer<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improved reliability<\/li>\n\n\n\n<li>Accurate timing<\/li>\n\n\n\n<li>Quality construction<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stock engines<\/li>\n\n\n\n<li>Performance builds<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_6\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 6 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_6\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;PowerBond Holden V8 balancer<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_6 = null;\nvar waitForDepends_fu_ebay_6 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent 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Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_6 = jQuery(\"#fu_ebay_6\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"PowerBond Holden V8 balancer\",\nfu_ebay_query : \"PowerBond Holden V8 balancer\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 6,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_6.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Exhaust Manifold Cracks<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Factory exhaust manifolds occasionally develop cracks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ticking noise<\/li>\n\n\n\n<li>Exhaust leaks<\/li>\n\n\n\n<li>Reduced performance<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thermal cycling<\/li>\n\n\n\n<li>Age<\/li>\n\n\n\n<li>Corrosion<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This issue becomes more common as engines age.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Common Maintenance Mistakes<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Ignoring Cooling System Maintenance<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Overheating remains one of the quickest ways to damage a Holden V8.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Delaying Timing Chain Replacement<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Original nylon gears eventually fail.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Using Modern Low-Zinc Oils<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Older flat-tappet camshaft engines benefit from appropriate oil formulations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Neglecting Ignition Servicing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A healthy ignition system is essential for performance and reliability.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Recommended Reliability Package<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">For most Holden 253 and 308 V8s, the ideal reliability package includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rollmaster timing chain<\/li>\n\n\n\n<li>GMB water pump<\/li>\n\n\n\n<li>PerTronix ignition upgrade<\/li>\n\n\n\n<li>Penrite HPR 30 oil<\/li>\n\n\n\n<li>Permaseal gasket kit<\/li>\n\n\n\n<li>Cooling system service<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These upgrades address many of the most common age-related issues.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Is the 253 or 308 More Reliable?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">In general, both engines share similar reliability characteristics.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 308 typically receives more attention due to its greater performance potential, while the 253 is often regarded as slightly more economical and easier on driveline components.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ultimately, maintenance history is far more important than engine capacity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Holden 253 and 308 V8 remain among Australia&#8217;s most beloved engines for good reason. They are simple, durable, easy to work on and supported by an enormous aftermarket. Most of the problems encountered today are the result of age rather than poor engineering.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With proper maintenance and a handful of sensible upgrades, these engines are capable of providing decades of reliable service. Whether you&#8217;re restoring a Kingswood, building a tough street machine or maintaining a cherished Monaro, understanding the common issues affecting Holden&#8217;s iconic V8s is the key to keeping them running at their best.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related Articles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/20\/early-holden-v8-oil-leak-problems-explained\/\" type=\"post\" id=\"7306\">Holden V8 Oil Leak Problems Explained<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/17\/hq-hj-hx-hz-and-wb-holden-cooling-system-problems\/\" type=\"post\" id=\"7320\">HQ HJ HX HZ WB Holden Cooling System Problems<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/17\/hq-hj-hx-hz-and-wb-holden-electrical-problems\/\" type=\"post\" id=\"7332\">HQ HJ HX HZ WB Electrical Issues Guide<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/20\/holden-202-engine-issues-explained\/\" type=\"post\" id=\"7311\">Holden 202 Engine Issues Explained<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/20\/powerglide-trimatic-issues-explained\/\" type=\"post\" id=\"7309\">Powerglide &amp; Trimatic Issues Explained<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Few engines are more iconic in Australian motoring history than the Holden 253 and 308 V8. Introduced during the late 1960s, these engines powered some of Holden&#8217;s most memorable vehicles, including the HK Monaro, Kingswood, Premier, Statesman, Sandman, Torana and later Commodore models. The 253 cubic-inch (4.2-litre) and 308 cubic-inch (5.0-litre) V8s quickly earned a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":577,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-7340","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Holden 253 &amp; 308 V8 Issues Explained - Australian Holden<\/title>\n<meta name=\"description\" content=\"Few engines are more iconic in Australian motoring history than the Holden 253 and 308 V8. 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