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quick question. des the b body lt1 share the same short block as f body lt1

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Old Jan 8, 2013 | 12:33 PM
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quick question. des the b body lt1 share the same short block as f body lt1

Is the b body and fbody lt1 short blocks the same? I know the heads are different but I'm not sure of the short block. I can get a 95 Buick lt1 for really cheap. Need help ASAP. I can't find info any where? Also, if I put the alum heads will it pretty much have the same specs as the fbody motor in terms of.compression ratio? Thanks guys
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Old Jan 8, 2013 | 12:51 PM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Same short block (except cam) to the best of my knowledge.
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Old Jan 8, 2013 | 01:21 PM
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From: Texas
Car: 1989 IROC LSX
Engine: Swapped LS6 Forged by LME
Transmission: 4L65E
Axle/Gears: 3.73
Re: quick question. des the b body lt1 share the same short block as f body lt1

All B bodies were cast iron headed due to HD use or weight of the vehicle. only F bodies and vettes had Alu heads (thus higher comp ratio). The short block is the same other than cam as stated above. If you were close I'd sell you the one I have CHEAP! Also there were some revisions on the dist. between 94-96 (Vented VS Non-vented)

Last edited by jazzdadss; Jan 8, 2013 at 01:24 PM. Reason: adding
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Old Jan 18, 2013 | 12:26 PM
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From: Mt.Holly, NC USA
Car: 1988 Camaro, 1986 S10, 2000 Harley
Engine: LS6
Transmission: T56
Axle/Gears: 3.75 9" ford trac loc
Re: quick question. des the b body lt1 share the same short block as f body lt1

The B- Body can also have a smaller cubic inch version that looks identical to the 5.7 , so make sure what you're getting.
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