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power gain?

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Old Nov 13, 2004 | 10:37 PM
  #1  
Daytona T/A's Avatar
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Car: 1983 25th Anniversary Daytona 500 Pace Car Trans Am
Engine: 5.0L 305 Crossfire-Injected V8
Transmission: 4 spd. auto
power gain?

In the spring my plans are to put on a set of Hooker Headers, Flowmaster Force 2 cat-back system, and hi-flow cat and I'm wondering how much power I'm going to get out of this. It's going on an '83 Trans Am with the crossfire-injected 305. I'd like to get 25-35 HP out of it... is this reasonable? Thanks guys.
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Old Nov 14, 2004 | 10:51 PM
  #2  
pre's Avatar
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Joined: Sep 2003
Posts: 336
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From: Buffalo
Car: 87 Firebird
Engine: 305 LG4
Transmission: THM700R4
Those numbers seem reachable. I gained 20hp from a high flow cat and Edelbrock headers.
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Old Nov 14, 2004 | 11:01 PM
  #3  
THEGENERAL's Avatar
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Joined: Apr 2004
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From: Staunton,illinois
Car: 1966 impala , 1998 sebring vert,1978 buick regal turbo, 1991 chevy silverado 3/4ton 4x4 lifted
Engine: 283, 2.5,3.8 turbo 350
Transmission: powerglide,auto overdrive, th350,4L80
thats not impossible to reach with that but dont get dissapointed if its a little lower
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Old Nov 14, 2004 | 11:35 PM
  #4  
leeperryracing's Avatar
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From: Denver, CO
Car: cleanest '86 sport coupe around!!
Engine: 355ci twin 66mm turbos on e85
Transmission: built rmvb th400 w/ t-brake
Axle/Gears: 3.23
with the motor in good tune, you should be pretty close but as General said..don't be dissapointed if it falls a bit short.
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Old Nov 15, 2004 | 07:03 PM
  #5  
Daytona T/A's Avatar
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Car: 1983 25th Anniversary Daytona 500 Pace Car Trans Am
Engine: 5.0L 305 Crossfire-Injected V8
Transmission: 4 spd. auto
well is there anything esle I can do like use larger diameter exhaust pipe?
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