Classic mineral engine oil no modern low-SAPS requirement, moderate zinc (ZDDP) level beneficial for flat-tappet cam/rocker wear protection
Penrite Classic Series HPR30 / Castrol Classic XL30
132.5 ci (2.16L) Grey motor. Capacity is an industry-typical figure for this engine family confirm exact refill against an original owner\'s handbook, as this has not been verified against a factory manual.
GL-5 additive packages are generally avoided in older brass-synchro gearboxes GL-4 is the safer choice. Capacity is a typical estimate, not confirmed against a factory manual.