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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > 2.5 Liter/Litre Factory Motor


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Old 08-23-2005, 08:44 AM   #1
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Default called about my dyno results

well i called about my dyno results today and here is what i got
289hp
311 ftlbs
cobb street tuner
tuned at ar fabrication in winchester va
clutch was sliping on this run
turbo xs turbo back
gt spec headers
ur flywheel
perrin pulley
perrin fuel rail
255lt pump
aps intake
aps fmic
ported turbo

ordered exedy twin disc clutch


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Old 08-23-2005, 08:56 AM   #2
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hmm
you should definately be able to get a little more power out of it than that...i think 300 whp sounds more like it and much more torque.

but what do i know just sayin cause of what i have seen others dyno on ST
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Old 08-23-2005, 09:07 AM   #3
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the guy that did the tuning said that he could have gotten more but could not hold boost. He installed a manual boost controller and it helped some but he said that the factory vf39 was at its limit with the header
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Old 08-23-2005, 10:12 AM   #4
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Clutch was slipping?
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Old 08-23-2005, 11:57 AM   #5
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Quote:
Originally Posted by Ol'SaltyBastard
Clutch was slipping?
yea, that's what I was wondering.....also, is this on an 04 or 05??
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Old 08-23-2005, 12:01 PM   #6
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slipping?

Did you abuse your car before having it dynoed? If not, I think that slippage is doubtful without more power.
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Old 08-23-2005, 12:06 PM   #7
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If its the Exedy twin carbon you are getting....good luck with it.
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Old 08-23-2005, 12:07 PM   #8
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Quote:
Originally Posted by VSGTS14
hmm
you should definately be able to get a little more power out of it than that...i think 300 whp sounds more like it and much more torque.

but what do i know just sayin cause of what i have seen others dyno on ST
All depends on which dyno. It this is a Mustang or dyno dynamics those numbers are right on. If it is a dynojet or dynapak they are too low.
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Old 08-23-2005, 06:30 PM   #9
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no i dont drive it very hard but it has 15000 miles
its an 04
ill ask what kind of dyno it is tomorrow
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Old 08-23-2005, 06:31 PM   #10
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Quote:
Originally Posted by NickSTI
All depends on which dyno. It this is a Mustang or dyno dynamics those numbers are right on. If it is a dynojet or dynapak they are too low.
totally forgot about that.
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Old 08-23-2005, 06:44 PM   #11
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if you havent already bought the exedy twin disc, dont. I'm begining to hate mine after 2-3000 miles. granted I'm near 400whp, but the driveability is rough and noisy, and it's begining to slip with my setup.
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Old 08-24-2005, 07:02 AM   #12
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tolate being installed now
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Old 08-24-2005, 10:28 AM   #13
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so you take it easy on your car it's an 04 and has 15000 miles. Something doesn't add up. I have 48,000 miles on an 04 that see's it's fair share of abuse and my clutch is holding fine. Do you launch the car alot or what, that just seems like a really low mileage to have the clutch go out.

Chris
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Old 08-24-2005, 04:27 PM   #14
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Default Street Tuner

Timothywrx,

Did you have to provide a laptop to get ARFab to tune your car with the AP, or did you just give them the software, i.e., the cd. I'm considering going this route, just unsure what to do at this point.

P.S. Why didn't you go to MachV/Ultimate to have them tune it? Just curious. I don't know how far out there you are.


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