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Max horsepower on cab.

Old Aug 15, 2011 | 12:25 PM
  #1  
Firebird sweden's Avatar
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From: sweden
Car: Firebid Cab-92/1989 TTA
Engine: 383 HSR TPI
Transmission: TH700r4
Axle/Gears: 4.10
Max horsepower on cab.

Hi!
How much hp have you put in a thirdgen trans am 90-92 cab?

I am running about 380rwhp today and planning to go another 75 nitroz,to much ?
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Old Aug 15, 2011 | 10:53 PM
  #2  
-srs-'s Avatar
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From: Tyler, Tx
Car: 1991 Z28 Vert
Engine: 305 TPI
Re: Max horsepower on cab.

I don't see any subframe connectors mentioned in your mods. That needs to be #1 on your list of mods before you add any more ponies!
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Old Aug 18, 2011 | 04:55 PM
  #3  
AutoRoc's Avatar
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From: Michigan!
Engine: Vortec 4200 Inline 6 PT70 Turbo..
Transmission: 4L65E
Axle/Gears: 3.73
Re: Max horsepower on cab.

I probably made 750-800 to run 9.80's @ 3550lbs.
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Old Feb 8, 2012 | 06:44 AM
  #4  
Firebird sweden's Avatar
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From: sweden
Car: Firebid Cab-92/1989 TTA
Engine: 383 HSR TPI
Transmission: TH700r4
Axle/Gears: 4.10
Re: Max horsepower on cab.

Ok
AutoRoc,what had you done to the chassi and what rear axel did you have,i am going to put in a 383 and a new cam and som subframe connectors.
Did you do anything to get the car lighter?
Anders
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Old Feb 8, 2012 | 09:09 PM
  #5  
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: Max horsepower on cab.

Originally Posted by Firebird sweden
Ok
AutoRoc,what had you done to the chassi and what rear axel did you have,i am going to put in a 383 and a new cam and som subframe connectors.
Did you do anything to get the car lighter?
Anders
auto roc put a 6 pt roll bar in his car, which i would highly suggest. It will bring a lot of the flex out of the car. I am currently having my fabricator build me a 6 pt chromoly roll bar with swing out bars and a X brace. I think i should have my car back at the end of the month, but no promises.
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Old Feb 9, 2012 | 12:36 AM
  #6  
Firebird sweden's Avatar
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Joined: May 2002
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From: sweden
Car: Firebid Cab-92/1989 TTA
Engine: 383 HSR TPI
Transmission: TH700r4
Axle/Gears: 4.10
Re: Max horsepower on cab.

Ok
I already have a 4 point rollbar,maybe i should put on 2 more links to it.
What cind of rear axel do you have?
The car is going to be a street/race car and about 500fwhp and a 100 hp noz.
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Old Feb 9, 2012 | 09:41 PM
  #7  
Mirror Image's Avatar
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Posts: 859
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From: Birmingham Alabama
Car: 1991 Firebird convertible
Engine: LQ4 ls 6.0
Transmission: 4L60E
Axle/Gears: 342 Limited slip
Re: Max horsepower on cab.

man a 4 point roll cage will help you alot it took a ton of flex out of my car I can open the doors with the car jacked up now
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