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Dyno Pull numbers

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Old Nov 22, 2014 | 03:04 PM
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Default Dyno Pull numbers

A friend just had AR 1 3/4 long tubes with mid-pipe and hi flo cats and a tune on his Z06, he also has a SSI manifold on the car (M6). The final pull showed 372 rwhp and 400 lb/ft.

Those numbers sound low to me and I am looking for opinions.

Thx.

Last edited by vettman96; Nov 22, 2014 at 03:05 PM. Reason: addition
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Old Nov 22, 2014 | 04:23 PM
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My 04z did 393whp/375wtq

Kooks LT's
Kooks X
Halltech Venom

On a dynojet. His HP seems a bit low and tq a bit high as mine seemed to be typical. If it runs good at the track and seat of the pants feels good...i wouldnt sweat it. Hes in the ballpark...all dynos read different.
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Old Nov 22, 2014 | 04:38 PM
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Mine with just about the same setup, Kooks, Vararam and tune = 384 / 372 Still not enough!

Last edited by jhopper408; Nov 22, 2014 at 04:42 PM.
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Old Nov 22, 2014 | 05:01 PM
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Originally Posted by vettman96
A friend just had AR 1 3/4 long tubes with mid-pipe and hi flo cats and a tune on his Z06, he also has a SSI manifold on the car (M6). The final pull showed 372 rwhp and 400 lb/ft.

Those numbers sound low to me and I am looking for opinions.

Thx.

SAE correction? Any chance you have the tq and hp flipped? 400 rwtq on a N/A 5.7 with stock internals sounds way too high.
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Old Nov 22, 2014 | 05:08 PM
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Yea that tq number is incorrect.
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Old Nov 22, 2014 | 08:46 PM
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Agree with the others, the HP should be higher than TQ with those mods. I have 1 7/8" AR headers with catted X pipe, a Halltech, and a tune, and mine put down 386/372 SAE. Now, I'm in the process of getting blown, so should get interesting!
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Old Nov 22, 2014 | 08:56 PM
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I could have a bad number for the torque, but I know the rwhp is right,
an he also has a Halltech I think.
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Old Nov 22, 2014 | 09:55 PM
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What kind of dyno? As was stated above, all dynos read differently. Mustang dynos typically read the lowest, and Dyno Dynamics also read on the low side. Even dynos of the same type read differently. 372 is a "tad" on the low side, but not way off base.
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Old Nov 22, 2014 | 11:08 PM
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Bolt on Zs are around 380 +/- 10-15 HP, power seems fine to me. The intake won't be giving any real gains over an LS6 intake with only bolt-ons.
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Old Nov 23, 2014 | 01:35 PM
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Originally Posted by 95rtturbo
What kind of dyno? As was stated above, all dynos read differently. Mustang dynos typically read the lowest, and Dyno Dynamics also read on the low side. Even dynos of the same type read differently. 372 is a "tad" on the low side, but not way off base.
They don't read low. The numbers are not inflated because Mustang dynos are LOADED dynos.
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Old Nov 23, 2014 | 01:42 PM
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Originally Posted by 4drturbo
They don't read low. The numbers are not inflated because Mustang dynos are LOADED dynos.
I didn't think I had to explain myself on this one... I never attempted to explain why they read lower, or which type is the "most accurate" - it really doesn't matter. They are all just tuning tools. Having said that, yes, they do typically read lower than dynojets, as I stated.

Last edited by 95rtturbo; Nov 23, 2014 at 01:55 PM.
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Old Nov 24, 2014 | 09:20 PM
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For what he had on the car its about right (372 rwhp).
The Torque number is not right at all.

My 2004 Z06 bone stock in 2004 dyno'd 357/344.

With LG Pro headers, high flow cats, B&B bullet exhaust, Vararam intake, air bridge and a tune I got to 390/379 to the rear wheels.

I'm at 471/441 now with lots of other goodies.

Toque
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