Meanwhile, I'll let you know how the SAE 30 works out, since I now have 12 quarts plus 3 extra---enough for both GTO's yearly oil changes.
It seems our high-zinc choices besides Brad Penn are Valvoline VR1 20W50, Mobil I 15W50, Schaffer's Racing Oil, some Shell oils, and a few others.
__________________
BONESTOCK GOATS
'64 GTO Tripower Hardtop (Wife's Car)
'64 GTO Tripower Post Coupe (My Car)
'99 Bonneville SE Sedan
|