lb9 tech data ?
06-12-2007 | 12:38 AM
#1
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Joined: Oct 2006
Posts: 329
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From: Surprise,AZ
Car: 91 rs
Engine: 305tbi
Transmission: 700r4
Axle/Gears: 3.27 9bolt
lb9 tech data ?
curious to what makes the outputs of the 5 speed lb9 cars vary as much as it does? what did the 230hp/300tq have over the other variants?
06-13-2007 | 02:18 AM
#2
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Joined: Aug 2004
Posts: 239
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Car: 88 GTA
Engine: 305
Transmission: Manual
Re: lb9 tech data ?
I assume you mean difference between model years? I know air intake systems were changed a number of times of the years. I'm not sure what else was changed. Although I'm sure other members on the board will know
06-13-2007 | 10:15 AM
#3
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Joined: Jan 2007
Posts: 1,088
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From: NYTHIRDGEN
Car: 1989 T/A
Engine: PROCHARGED LB9
Transmission: FB BUILT 700r4 2200 stall
Axle/Gears: 10 BOLT EATON 3:73 POSI
Re: lb9 tech data ?
cam in the 5sd's was the l98 cam, and dual cat cars also had a bit more h.p.
06-13-2007 | 10:18 AM
#4
Joined: Jul 1999
Posts: 10,947
Likes: 21
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: lb9 tech data ?
The ones with 230/300 numbers had dual cats and larger 2 3/4" cat-back exhaust of the 350's over the 205/270 cars. The 205/270 cars had a single cat and the small TBI 2 1/4" exhaust.
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