FRDnemesis

iTrader: (19)

The motor I ordered from Scoggin has flat tops with -2cc valve reliefs and the piston is at Zero. To achieve the 11.75 compression I wanted, they recommended 64cc heads and .065" cometic head gaskets.


With the gaskets being this thick, are they going to be a weak point on a 150 shot of nitrous or should I be okay. Would it be safer to go with 68 or 70cc and a thinner gasket?

Thanks
Jeff

oange ss

iTrader: (50)

run the thinnest gasket possible and use the head cc to optimize compression

FRDnemesis

iTrader: (19)

Yeah, I'm rethinking it. I'm thinking more of 70cc chamber and .041" head gasket instead. I'm also thinking about putting head studs in as well.

NoMoreFWD

iTrader: (1)

What he said.

PREDATOR-Z

If your pistons are at 0, then run a .035 cometic and size up the chamber accordingly.

If not, you first need to determine your piston/deck value and then choose the gasket accordingly.
Idealy you want .035>.040 quench.

FRDnemesis

iTrader: (19)

Thanks for the help guys! good information!

PREDATOR-Z

BTW:
Quench = Piston to deck value - crushed (compressed) gasket thickness