.040-over LA360

Tech Question


jeff stephens, richmond, BC, canada, 1973 dodge challenger 360

hey there Rick,

Any concerns about running a 40 over LA 360?? I know heat problemsmaybe…what’s your thoughts?




No thoughts, just facts. 0.040″ O/S is fine, but that’s the limit. At0.060″, it is heading to Japan, will be back as 3 Priuses. Piss on them asyou pass.

No heat problems, that’s an old wife’s tale. The potential problem isexcessive blowby, and splitting the cylinder walls apart at something northof 500 HP.


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