hopefully one of the engine builders will jump in and give you more/better info. But when i put together my my LT1 I was told to shoot for .080 int. and .100 ex. With .039 gaskets I was close on the intake so I went with .055 gaskets just to give me a bit more.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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