350 s/b with only 5.7 7lmz.. no cast#...please help
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Joined: Aug 2007
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From: chicago
Car: 87 GTA
Engine: 385 sbc
Transmission: 700r4
Axle/Gears: 2.73 posi
350 s/b with only 5.7 7lmz.. no cast#...please help
on the rear of the block all it says is gm5.7 7lmz. I havent picked it up yet but anyone know why there wouldnt be the normal cast#'s on it? Its a 1 piece rear main roller block.
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