what is this motor
I have a late model GM crate motor
it is stamped GM 5.7LG SGI, has four center bolt valve covers.
casting 10243880, Looking up the casting says it is a ZZ4
1978 Camaro, Z28, T-tops, 350 ZZ4, Air Gap Intake, Trickflow heads,
Holley 750 Double, 100 Shot Nitrous, Headers, Flow Masters, 4:11's
Last edited by gfrench; 07-04-2010 at 03:52 PM.