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+ 55 whp Tune. Mustang Dyno

Originally Posted by antisocial83 Just got my uprev tune at awdtuning (texas) I was expecting 15whp +/- but the mustang dyno shows 237 before and 292 after (234 TQ). I

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Old 05-24-2013, 01:52 PM   #1 (permalink)
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Originally Posted by antisocial83 View Post
Just got my uprev tune at awdtuning (texas) I was expecting 15whp +/- but the mustang dyno shows 237 before and 292 after (234 TQ). I only have topspeed catback with resonator,y-pipe and short ram intakes. Ill post the dyno sheets today if anyone is interested. I hear mustang dynos read quite a bit lower?
I havent got too crazy on it but it is noticeably smoother. Hopefully this will hold me over for a little till I go FI.
Damn, but I'm sure they didn't get the right reading? How was the experience there? I thought about getting tuned there.

Why didn't you raise your redline? How much did they charge?

I wish I would have known, maybe we could have gotten a group tune deal.
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Old 05-24-2013, 02:31 PM   #2 (permalink)
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I hate to say it but it looks like they may have played with the correction factor given the way that the two torque curves are presented. He could have been running pig rich but even still ...

Normally the correction factor is controlled by the atmospheric sensor and is typically somewhere in the range of 0.95 (scale output down 5%) to 1.05 (scale output up 5%), however the operator can override this and some tuners play with the value to make them look like rock stars.

I think a stock car is around 255-260 whp on a Mustang dyno and with that level of simple bolt on mods I would expect around 270-275 after tune.

Bottom line, if the OP really picked up 55hp then that should be very noticeable in the old butt dyno, so it is up to him to decide how much was smoke and how much was real.
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Old 05-25-2013, 12:58 PM   #3 (permalink)
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It was $300 for the license, $350 for the tune. They are a big name for tuning subarus around here so i trusted them. Unfortunately timing wise i had to drop off and pick up as they were closing so i didn't get to ask as many questions as i'd like...but like i said, i trusted their rep. Its really hard to say how I feel about the tune though. Driving for a few days now i can tell you for a fact its not anything close to +50 whp. I will probably throw on HFC, maybe headers(maybe not since SC is planned) and get a tune at one of the other local shops. My uprev license is written to my ecu now, is that correct?
Its a 6MT btw. Thanks for all the feedback though.
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Old 05-25-2013, 01:37 PM   #4 (permalink)
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Yes the license is written to the ECU so you can get it retuned by any Uprev shop and just pay the hourly rate for tuning.
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