Dyno'd my GP today - 60DegreeV6.com

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AWeb80

W-body RSTB Maker

Join Date: Feb 2004

Posts: 392
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#1

Dyno'd my GP today

04-29-2011, 08:34 PM

1994 3100

4 years ago earlier this month I dyno'd when the car was stock (~125k miles) and put down 125 whp...20% loss puts that right at 160 crank HP.

today, w/ just my exhaust mods (just over 133k miles) I put down 136 whp....not bad for custom manifolds and 2.5" downpipe.

Here's the vid

1994 Pontiac Grand Prix Dyno - exhaust mods

http://www.youtube.com/watch?v=dSAQMcgHL9Q

Stock 3100 motor.CAICustom front 2" log manifold2" crossoverFully Ported rear manifold2.5" Downpipe2.5" cat2.5x18" Vibrant resonator2.25" fom Y to C6 Corvett...

stock pull over laid on my current graph

uncorrected tq converter graph

corrected tq graph to take the play out and see what the engine was really putting out

numbers per rpm

The new Z06 exposes European sports cars for what they really are....overprice, underperforming snobs.
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1988GTU

LB62LHObbqftmfw

Join Date: Nov 2005

Posts: 2475
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#2

04-30-2011, 06:48 PM

173tq at 2600, you have a nice rock climber!

Lifting my front wheels, one jack at a time.
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Rootie524

Join Date: Feb 2010

Posts: 543
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#3

05-03-2011, 04:13 PM

what kinda muffler do you have on that?

2002 Chevy Malibu 3400sfi - Project Sleeper - Good night

Boost - Coming soon to a malibu near you.
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robertisaar

W-Body for Life!

Join Date: May 2007

Posts: 6414
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#4

05-03-2011, 07:00 PM

Adam's car needs no muffler.

1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
Latest nAst1 files here!
Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!
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AWeb80

W-body RSTB Maker

Join Date: Feb 2004

Posts: 392
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#5

05-04-2011, 01:29 AM

yep, no muffler. Basically, a cat and a resonator. Straight through and no damn muffler

The new Z06 exposes European sports cars for what they really are....overprice, underperforming snobs.
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robert 1980

Join Date: Aug 2009

Posts: 302
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#6

05-04-2011, 10:36 PM

Nice dyno numbers i can't wait to dyno the beretta when i finish my build.
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Alxsmt

that one guy

Join Date: Feb 2007

Posts: 725
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#7

05-04-2011, 11:12 PM

nice, thats a pretty good improvement!

ill have some numbers to post this weekend, wish I did a before dyno like you did

sigpic
88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)

77 Celica GT- 3400/3500 swap in progress (engine from the beretta)
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