TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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r i c e r question LOL

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Old 02-19-2003, 12:07 AM
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r i c e r question LOL

I know, I know...put it on a friggin dyno!! I am just over anxious and very curious what your guesses may be...HOW MUCH RWHP am I making??
Short version: All mods in sig plus added:

Ported Vortec heads and got them to flow:
68.3 @100, 127.5@.200, 189.7@.300, 234.4@.300, 251.4 @.450, 256.6@.475, 251.4@.500
also, the intake runner size was increased to 185.5cc

Comp Cam, Xtreme Energy XR 269 HR-12 (218/224) (.495/.503)

Wildly ported SLP runners and wildly ported plenum. STOCK TB, and mildly ported SDPC base. All components have been port matched as well.
Old 02-19-2003, 12:17 AM
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Car: 1985 Camaro, 2015 Audi A4
Engine: V8
Transmission: 700R4
60-80 over stock would be my guess
Old 02-19-2003, 12:24 AM
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ewwww, dont like those numbers buddy...damn, that hurts
Old 02-19-2003, 01:35 AM
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Car: 1990 Iroc-Z
Engine: L98
Transmission: 700R4
I'm guessing around 300hp/330tq to the wheels.

I'm guessing. Guessing is the KEY word here.
Old 02-19-2003, 07:12 AM
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Originally posted by ontogenesis
60-80 over stock would be my guess
I'd say 50-90hp over stock. Get a larger TB on there, what about your exhuast? headers what? Ignition mods?

Need more info.
Old 02-19-2003, 07:42 AM
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At a guess with the 1 3/4 SLP headers and the heads flowing that well you should have over 100 HP more than stock!
Nice combination of parts!!
Tony
Old 02-19-2003, 08:37 AM
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I'm gonna throw out a number of around 330. It's got a decent cam and some good flowing heads backed up by the free flowing intake, I don't think they flow well enough to justify the aftermarket TB though. Get some tuning and you outta be around 340-350. You've sure got enough goodies to go fast. :rockon:
Old 02-19-2003, 08:38 AM
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Car: 1991 Z28 - 2000 Z28
Engine: L98 - LS4
Transmission: 700R4 - 4L60E
Axle/Gears: 3.23's - 3.73's
I'm going to guess about 265-280 RW HP. How close are you to Oak Hill/Edgewater area? BNO Dyno is right off Rt. 442, I highly reccomend Eric & his shop.
Old 02-19-2003, 10:10 AM
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The word filters are in place for a reason. Do not bypass them again.
Old 02-19-2003, 10:39 AM
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I am working w/ a prom burner to get a nice tune on the car also.....I think I am going to see signifigant gains from the prom alone. Car idles and runs a little crappy on this SLP chip.

I have tried burning a few myself, but IMO, the mods are too drastic for me to get it right. This was not a "step by step" mod fest. It was pretty much all in 1 shot.
Old 02-19-2003, 01:46 PM
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Car: 1990 Iroc-Z
Engine: L98
Transmission: 700R4
All at once? Ooosh, that would be hard to tune. Man, guessing games are fun for a short period of time, but throw down some bucks and get it dynoed. You just won't know until you do.
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