{"id":7388,"date":"2026-07-02T03:57:20","date_gmt":"2026-07-02T03:57:20","guid":{"rendered":"http:\/\/australianholden.com\/?p=7388"},"modified":"2026-07-02T03:57:24","modified_gmt":"2026-07-02T03:57:24","slug":"best-engine-oils-for-holden-blue-motors","status":"publish","type":"post","link":"https:\/\/australianholden.com\/index.php\/2026\/07\/02\/best-engine-oils-for-holden-blue-motors\/","title":{"rendered":"Best Engine Oils for Holden Blue Motors"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Choosing the right engine oil for a Holden Blue Motor is one of the most important factors in maintaining long-term reliability. Whether fitted to a VC Commodore or earlier Holden six-cylinder applications, the Blue Motor relies on consistent lubrication to protect its aging internal components and maintain smooth operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These engines were designed in an era when oil technology was far less advanced than today. Modern oils offer significantly improved wear protection, better temperature stability and enhanced detergent properties. However, not all modern oils are suitable for older Holden engines, particularly those with carburettors and looser internal tolerances.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Understanding the Holden Blue Motor<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The Holden Blue Motor was introduced in the early 1980s and featured improvements over the earlier red motor, including:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Revised cylinder head design<\/li>\n\n\n\n<li>Improved emissions control<\/li>\n\n\n\n<li>Electronic ignition (VC Commodore)<\/li>\n\n\n\n<li>Carburetted fuel system<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Despite these improvements, the Blue Motor still relies on traditional engine architecture and benefits from higher zinc (ZDDP) oils and appropriate viscosity levels.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Why Oil Choice Matters<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Oil does more than just lubricate engine components.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Functions<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduces internal wear<\/li>\n\n\n\n<li>Controls heat<\/li>\n\n\n\n<li>Prevents sludge buildup<\/li>\n\n\n\n<li>Protects camshaft and lifters<\/li>\n\n\n\n<li>Seals internal engine clearances<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Using the wrong oil can lead to increased wear, poor oil pressure or excessive consumption.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Oil Viscosity for Blue Motors<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Viscosity is critical for older engines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended Grades<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>20W-50 (most common recommendation)<\/li>\n\n\n\n<li>15W-40 (milder climates or newer rebuilds)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Why Thicker Oil Is Preferred<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Better protection for worn engines<\/li>\n\n\n\n<li>Improved oil pressure stability<\/li>\n\n\n\n<li>Reduced oil consumption<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For most original or high-mileage Blue Motors, 20W-50 is the safest choice.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Overall Engine Oil<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Penrite HPR 30 (20W-60)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Penrite is one of Australia\u2019s most trusted brands for classic Holden engines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High zinc (ZDDP) content<\/li>\n\n\n\n<li>Excellent wear protection<\/li>\n\n\n\n<li>Designed for older engines<\/li>\n\n\n\n<li>Suitable for Australian conditions<\/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>High-mileage Blue Motors<\/li>\n\n\n\n<li>Daily drivers<\/li>\n\n\n\n<li>Restored engines<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Works Well<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The slightly thicker viscosity helps maintain oil pressure in worn engines while providing strong protection for internal components.<\/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;Penrite HPR 30<\/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 : \"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 : 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\">Best Alternative Engine Oil<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Valvoline VR1 Racing 20W-50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Valvoline VR1 is a popular choice among classic car enthusiasts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High zinc content<\/li>\n\n\n\n<li>Excellent anti-wear protection<\/li>\n\n\n\n<li>Stable under heat<\/li>\n\n\n\n<li>Suitable for performance use<\/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>Modified Blue Motors<\/li>\n\n\n\n<li>Spirited driving<\/li>\n\n\n\n<li>V8 and six-cylinder applications<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Note<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VR1 is slightly more performance-oriented than standard oils.<\/p>\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;Valvoline VR1 20W-50<\/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 : \"Valvoline VR1 20W-50\",\nfu_ebay_query : \"Valvoline VR1 20W-50\",\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\">Best Budget Engine Oil Option<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Castrol GTX Classic 20W-50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Castrol GTX Classic is widely available and suitable for older engines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Affordable<\/li>\n\n\n\n<li>Good detergent properties<\/li>\n\n\n\n<li>Suitable viscosity for classics<\/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>Light-use vehicles<\/li>\n\n\n\n<li>Weekend cruisers<\/li>\n\n\n\n<li>Budget restorations<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Limitation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lower zinc levels compared to specialist classic oils.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Zinc (ZDDP) and Why It Matters<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Zinc (ZDDP) is essential for older flat-tappet camshaft designs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduces camshaft wear<\/li>\n\n\n\n<li>Protects lifters<\/li>\n\n\n\n<li>Improves durability under load<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Many modern oils reduce zinc levels, which can increase wear in older engines.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Oil for High-Mileage Blue Motors<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Engines with over 200,000 km often require thicker oil.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended Approach<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>20W-50 or 20W-60 viscosity<\/li>\n\n\n\n<li>High zinc content<\/li>\n\n\n\n<li>Regular oil changes<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improved sealing<\/li>\n\n\n\n<li>Reduced oil burning<\/li>\n\n\n\n<li>Better oil pressure<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Oil for Rebuilt Blue Motors<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Freshly rebuilt engines require slightly different oil.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended Options<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>15W-40 or 20W-50<\/li>\n\n\n\n<li>High-quality mineral or semi-synthetic oil<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Important<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Avoid overly thin oils during break-in periods.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Synthetic vs Mineral Oil<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Both types can be used, but each has advantages.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mineral Oil<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Better for older engines<\/li>\n\n\n\n<li>More compatible with seals<\/li>\n\n\n\n<li>Traditional choice<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Synthetic Oil<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Better heat resistance<\/li>\n\n\n\n<li>Longer service life<\/li>\n\n\n\n<li>May cause leaks in older seals<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Recommendation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Most Blue Motor owners prefer high-quality mineral or semi-synthetic oils.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Oil Change Intervals<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Regular servicing is essential.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended Interval<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Every 5,000 km or 6 months<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Matters<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prevents sludge buildup<\/li>\n\n\n\n<li>Maintains oil pressure<\/li>\n\n\n\n<li>Extends engine life<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Frequent changes are especially important for carburetted engines.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Common Oil-Related Problems<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Oil Leaks<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Very common in older Blue Motors due to aged seals.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Oil Consumption<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Often caused by worn valve stem seals or piston rings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Low Oil Pressure<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Can indicate worn bearings or oil pump issues.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Oil Filter Choice<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Ryco Oil Filter<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High filtration efficiency<\/li>\n\n\n\n<li>Reliable construction<\/li>\n\n\n\n<li>Widely available in Australia<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best Practice<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Always replace the oil filter at every oil change.<\/p>\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;Z30<\/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 : \"Z30\",\nfu_ebay_query : \"Ryco Z30\",\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\">Oil Additives: Are They Necessary?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Most high-quality classic oils already contain sufficient additives.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">When They Help<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Extremely worn engines<\/li>\n\n\n\n<li>Heavy oil consumption<\/li>\n\n\n\n<li>Low compression engines<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Caution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Avoid overusing additives unless necessary.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Recommended Oil Maintenance Package<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">For most Holden Blue Motors:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Maintenance Package<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Penrite HPR 30 (20W-60)<\/li>\n\n\n\n<li>Ryco oil filter<\/li>\n\n\n\n<li>5,000 km oil change intervals<\/li>\n\n\n\n<li>Regular level checks<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This combination provides excellent protection and longevity.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Final Thoughts<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The Holden Blue Motor is a robust and durable engine, but like all classic engines, it depends heavily on proper lubrication. Choosing the right oil can significantly extend engine life, reduce wear and improve overall performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For most VC Commodore Blue Motors, a high-quality 20W-50 or 20W-60 oil with strong zinc content\u2014such as Penrite HPR 30\u2014is the best choice. Combined with regular servicing and quality filters, it ensures the engine continues to perform reliably for many years.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether your Blue Motor is in a daily-driven VC Commodore or part of a restored classic Holden, correct oil selection remains one of the simplest and most effective ways to protect your investment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related Articles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VC Commodore Blue Motor Problems<\/li>\n\n\n\n<li>Holden Straight-Six Issues Explained<\/li>\n\n\n\n<li>Early Commodore Cooling System Problems<\/li>\n\n\n\n<li>Early Commodore Starting Problems Guide<\/li>\n\n\n\n<li>Best Battery Upgrades for Early Commodores<\/li>\n\n\n\n<li>How to Inspect an Early Commodore Before Buying<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Choosing the right engine oil for a Holden Blue Motor is one of the most important factors in maintaining long-term reliability. Whether fitted to a VC Commodore or earlier Holden six-cylinder applications, the Blue Motor relies on consistent lubrication to protect its aging internal components and maintain smooth operation. These engines were designed in an [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3468,"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-7388","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>Best Engine Oils for Holden Blue Motors - Australian 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