GM SB # Help
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Junior Member
Joined: Dec 2006
Posts: 42
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From: oklahoma
Car: 1985
Engine: lg4
Transmission: 700r4
Axle/Gears: ????????
GM SB # Help
I need to know what gen and anything else i can find out about a motor I'm working on so if somebody could help it would be great.
The # one the driver rear of the block is 5GM 3932386
On tyhe other side it has the # J158
Thanks
The # one the driver rear of the block is 5GM 3932386
On tyhe other side it has the # J158
Thanks
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Joined: Jul 2007
Posts: 1,141
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From: MA
Car: '87 IROC/'68 SS
Engine: 5.7L/350
Transmission: 700R4/Muncie 4-spd
Axle/Gears: 3.27 9 bolt / 3.31 12 bolt
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Joined: Jul 1999
Posts: 17,268
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: GM SB # Help
Look for stamped numbers on a pad just in front of the passenger head.
