Re: What oil is best for engine break in????
I have a question, i have 2 cases of STP racing oil in the paper cans, probably from the late 70's would this oil still be good if it is in a sealed can, for say like a 70 spec LS-6 with factory Mech cam? for break in purposes, i believe it is 50 Wt.
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Cranberry red 1970 L-S6 hardtop
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