Quote:
Originally Posted by ILuvPizzaTimes10
you are doin the proper head work to run unleaded right? 11.5 on a cast head you are asking for a hole in a piston. 100 octane Might solve it lead additive is an option or get aluminum heads? and pain them to "look" correct but save all the original pieces?
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This man speaks truths. Cracked the #6 piston on my step dads domed 1970 LT1 that way. Lower compression iron heads killed power but runs great now.
