Alternative Port EFI Intakes This board is for tech discussions and questions about aftermarket port EFI such as the HSR, MR, SR, BBK, FIRST, etc.

LT1 intake

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Old Aug 11, 2005 | 06:43 PM
  #1  
355gta's Avatar
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From: columbus, in.
Car: 1989 pontiac firebird trans am gta
Engine: 355
Transmission: 700r4
Axle/Gears: 327:1 9 bolt
LT1 intake

I get to pickup my converted LT1 intake on saturday. I am buying it from a member on here. I was wondering if someone could let me know what kind of difference in power I should expect to feel. Thanks for any reply.
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Old Aug 11, 2005 | 08:56 PM
  #2  
GofasterFirebird's Avatar
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From: Warsaw, Indiana
Car: 1991 Firebird
Engine: 427 LSX
Transmission: Turbo 400
none to alot. Man, it is so multifactorial. Engine specs, tuning, all matter. Do a search, find someone with a similar combo, see what they are running, and there ya go
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Old Aug 12, 2005 | 11:59 AM
  #3  
355gta's Avatar
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Joined: May 2005
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From: columbus, in.
Car: 1989 pontiac firebird trans am gta
Engine: 355
Transmission: 700r4
Axle/Gears: 327:1 9 bolt
Thanks for the reply. I know it will be different on each motor. Right now my car is stock. I am building a new 355 right now but I am going to go ahead and put the intake on to see what kind of ET diference it makes. I ran a 9.32 in the 1/8 right now.
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Old Aug 12, 2005 | 01:33 PM
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From: Dale City, VA
Car: 91 GTA and 85 IROC
Engine: 355
Transmission: gear jammer
Axle/Gears: 4.11
Originally posted by GofasterFirebird
multifactorial.
good word lol

You probably won't see a big difference in the 1/8 if any at all. But the 1/4 it may MPH a little better.
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Old Aug 12, 2005 | 04:45 PM
  #5  
355gta's Avatar
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From: columbus, in.
Car: 1989 pontiac firebird trans am gta
Engine: 355
Transmission: 700r4
Axle/Gears: 327:1 9 bolt
I actually thought it might hurt my 1/8 mile time because of the loss of torque. I figured 1/4 mile would pick up a bit though. Thanks
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