L98 setup
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Junior Member
Joined: Mar 2012
Posts: 32
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Car: 1989 pontiac firebird trans am GTA
Engine: TPI 350
Transmission: auto 700r4
Axle/Gears: borg warner 9 bolt and 3.27
L98 setup
how much power can the stock tpi intake setup support, im thinking in between 300 to 350 depending on ur cam and fuel pressure any thoughts? and its L98 not LB9
Joined: Dec 2004
Posts: 16,926
Likes: 1,016
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: L98 setup
This was zz4 build I tuned at 5280 30#hr injector stock tpi and manifold and free flowing exhaust.
Joined: Dec 2004
Posts: 16,926
Likes: 1,016
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: L98 setup
Correct, I tuned the car live on the streets. This was the before and after results. It was still a hair lean and I added about 5% across the board after the dyno results and it was a noticeable power difference.
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iTrader: (15)
Joined: Oct 2003
Posts: 3,449
Likes: 5
From: Charlestown, IN
Car: 1971 Camaro
Engine: 427
Transmission: TKO600
Axle/Gears: 3.73
Re: L98 setup
Great job! I know you've been dieing to take a vacation to Indiana! And when you do, you can tune my car on the streets too
Joined: Dec 2004
Posts: 16,926
Likes: 1,016
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: L98 setup
Serious life changes coming up so it might be awhile. I would love to let the smoke out of your tires lol. Ill help you with datalogging and get it dialed in 
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