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View Poll Results: With the new setup below, how much HP do you think I will have? All options are BHP
Stay the same as stock: 245 0 0%
5-15 extra HP: 250-260 5 33.33%
20-35 extra HP: 265-280 9 60.00%
40 or more extra HP: 285+ 1 6.67%
Voters: 15. You may not vote on this poll

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Old 08-30-2009, 07:46 PM   #1
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Join Date: Feb 2007
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Posts: 549
Car: 1991 Pontiac GTA
Engine: L98 TPI 350
Transmission: 700R4 built by Gregs in Albuquerque
Axle/Gears: Factory 3.23 10-Bolt

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Anybody want to take a guesstimate at my new power level?
Okay well im in the middle of putting my new setup together. It goes like this.

Stock 350 shortblock

Stock Cam 202/207 .413 .428

Stock dual cat exhaust with 2.5" exhaust manifolds and a Flowmaster 80 series

Cold air intake

1204 Gasket matched factory TPI with siamesed factory runners. Plenum EGR wall and side wall ground down and smoothed for perfect transition from TB to Plenum.

24 LB Injectors

ZZ4 Heads with 1.94 1.50 valves flowing 245cfm at .5"

PROM Tune from PCMFORLESS.com
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Last edited by F-Body Demon; 08-30-2009 at 07:55 PM.
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Old 09-16-2009, 08:10 AM   #2
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Join Date: Feb 2007
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Car: 1991 Pontiac GTA
Engine: L98 TPI 350
Transmission: 700R4 built by Gregs in Albuquerque
Axle/Gears: Factory 3.23 10-Bolt

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Re: Anybody want to take a guesstimate at my new power level?
Car "SHOULD" be running this weekend, I will post numbers .
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Old 09-16-2009, 12:23 PM   #3
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Location: MI
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Car: 86 iroc
Engine: 350 vortec HSR
Transmission: 700R4
Axle/Gears: 370

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Re: Anybody want to take a guesstimate at my new power level?
uhm.. 285
PM with the #s when you get numbers lol

oh bhp. edited.
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Old 09-21-2009, 10:20 AM   #4
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Car: 1991 Pontiac GTA
Engine: L98 TPI 350
Transmission: 700R4 built by Gregs in Albuquerque
Axle/Gears: Factory 3.23 10-Bolt

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Re: Anybody want to take a guesstimate at my new power level?
Got the car running, but im chasing an electrical gremlin. My battery keeps draining over night. I will hit the drag strip and produce numbers "soon".
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Old 09-21-2009, 12:30 PM   #5
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Re: Anybody want to take a guesstimate at my new power level?
so your car ran the numbers in the sig before all of the stuff stated in this thread?

14.5 @95
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Old 09-21-2009, 01:00 PM   #6
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Car: 1991 Pontiac GTA
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Transmission: 700R4 built by Gregs in Albuquerque
Axle/Gears: Factory 3.23 10-Bolt

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Re: Anybody want to take a guesstimate at my new power level?
Well it ran 15.33 @ 92. BUT that was at 8000ft density. Im at Sea Level now.
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Old 09-22-2009, 10:35 PM   #7
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Re: Anybody want to take a guesstimate at my new power level?
Quote:
Originally Posted by F-Body Demon View Post
Well it ran 15.33 @ 92. BUT that was at 8000ft density. Im at Sea Level now.
Well you should pick up at least a second with the altitude mod alone

I'm guessing the increase in peak numbers isn't huge, but that the curve comes out a lot nicer than a stock TPI.
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Old 09-22-2009, 11:54 PM   #8
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Re: Anybody want to take a guesstimate at my new power level?
Why the stock cam?
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Old 09-23-2009, 03:47 PM   #9
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Re: Anybody want to take a guesstimate at my new power level?
230ish. Yeah, why leave the stock cam? Rip that sucker out!
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Old 09-23-2009, 03:47 PM
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