Follow my 1967 Dodge Dart Restoration

but I would of out the thinnest steel shim head gaskets I could find in that motor. Try and increase some of that quench

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There's essentially no quench to be had with stock 360s. Even with shim head gaskets, you're still looking at about 0.140-.180" separation @ TDC...very little if any turbulence in the chamber during the compression stroke.