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85 transam Tpi just dropped 350 need help

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Old Dec 28, 2007 | 07:12 PM
  #1  
cainestl's Avatar
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Joined: Dec 2007
Posts: 19
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From: St. Louis, Missouri
Car: 1985 Trans Am
Engine: 350
Transmission: 700r4
Axle/Gears: 3.73
85 transam Tpi just dropped 350 need help

Hey guys i need your help. I just put a new 87camaro 350 in my ta and she lacks power like i was told she would. I heard I need to change the Prom chip as well as the ecm is this true. And if so where can i get a high performance one that will show me my ta's true power without charging me an arm and a leg, I dont street race anymore but I would like the extra torque to impress the ladies .Any help is highly appreciated.

Thanks
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Old Dec 30, 2007 | 11:50 PM
  #2  
birdtojag's Avatar
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Joined: Jan 2007
Posts: 684
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From: Mesa AZ
Car: 87 Firebird, 90 bird coming soon
Engine: 355 Chevy Vortec Heads TPI, LT1 inj
Transmission: 700r4
Axle/Gears: 2.77 posi 9-bolt
Re: 85 transam Tpi just dropped 350 need help

I did the same thing. I just used an adjustable fuel pressure regulator and set fuel pressure to 46psi at idle. Stock is 42psi. Found this tip in a magazine and so far I'm not disappointed.
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