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Smaller pulley, ACT PP, and retune #'s

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Old Mar 27, 2015 | 09:53 AM
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Default Smaller pulley, ACT PP, and retune #'s

She's got 107k miles so I think my tuner went easy on her, but here's the sheet.

Thoughts on the 370rwhp and tq?

Thanks
Attached Thumbnails Smaller pulley, ACT PP, and retune #'s-s2000-gsd03262015.jpg  
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Old Mar 27, 2015 | 09:58 AM
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Alex tuned it? He did mine.

I am at 11psi, NOVI1000 and 355HP/230TQ with 150k miles

We are tuned on the same DYNO
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Old Mar 27, 2015 | 10:05 AM
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Originally Posted by EOE
Alex tuned it? He did mine.

I am at 11psi, NOVI1000 and 355HP/230TQ with 150k miles

Yep, he did. Said she ran great.
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Old Mar 27, 2015 | 11:57 AM
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Looks good. Probably a lower reading dyno I would think. What was the power before the pulley upgrade and retune?
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Old Mar 27, 2015 | 12:42 PM
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I would have expected the number to be a bit higher also, but numbers can vary quite a bit from dyno to dyno.
Do you have any idea what your IAT's looked like or how much timing was pulled up top?
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Old Mar 27, 2015 | 09:28 PM
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Yeah the peak power is a little short for the 15psi but sometimes the boost readings aren't accurate either on the dyno I found. It could be pushing less then that which I think it is based on the 3.8" pulley size. I bet your actually only making 11-12psi, which would be really excellent at 370whp. The 218 trq is obviously an F20 your running? Thats a typical number for the engine.

A 3.2" pulley would net you about 15psi and get you to 400whp on that 1220 blower.

Nevermind, just saw it was a v2 vortech blower, so your boost is correct for your pulley size, your just down on power a bit. Likely a conservative tune, which is fine as long as its running well and feeling good. You want it to last! Must have mixed your set up with someone else on the blowers.
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Old Mar 29, 2015 | 03:08 AM
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Sae correction knocked 4% off the power. 385whp uncorrected.
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Old Mar 29, 2015 | 06:56 AM
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Originally Posted by Moddiction
Looks good. Probably a lower reading dyno I would think. What was the power before the pulley upgrade and retune?
Before it was at around 340rwhp on 9 psi, but on a different dyno completely (dynomite).
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Old Mar 29, 2015 | 06:58 AM
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Originally Posted by stack
I would have expected the number to be a bit higher also, but numbers can vary quite a bit from dyno to dyno.
Do you have any idea what your IAT's looked like or how much timing was pulled up top?
I believe he mentioned my temps were all very good and I also believe he said he didn't pull much timing up top at all and that there was no detonation or knocking at all. I'm paraphrasing
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Old Mar 29, 2015 | 07:03 AM
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Originally Posted by s2000Junky
Nevermind, just saw it was a v2 vortech blower, so your boost is correct for your pulley size, your just down on power a bit. Likely a conservative tune, which is fine as long as its running well and feeling good. You want it to last!
Thanks. Yes, I requested a conservative tune and it does run excellent. I want her to last for sure.
Doing the banjo bolt replacement and possibly ap2 retainers and keepers to help make that a reality
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