Originally Posted by aaronr LS1 and 317 head with stock 6.0 gasket give you 9.2cr. That was my old set-up. Now that's the kind of answer I was looking for. Thanks dude. BTW, which heads will get an LS1's CR a little higher than 9.2?
~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~
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