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Modded 2009 ZR1 Video: 581 rwhp & 599 rw tq

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Old 01-07-2009 | 07:48 PM
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Modded 2009 ZR1 Video: 581 rwhp & 599 rw tq

http://www.youtube.com/watch?v=Vva9IeaXil0
 

Last edited by HennesseyPerformance; 01-08-2009 at 09:00 AM.
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Old 01-08-2009 | 08:21 AM
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Originally Posted by HennesseyPerformance

not working
 
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Old 01-08-2009 | 09:01 AM
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Originally Posted by TT 955
not working
thx. fixed it:

[media]http://www.youtube.com/watch?v=Vva9IeaXil0[/media]
 
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Old 01-08-2009 | 12:45 PM
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Good numbers.
 
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Old 01-08-2009 | 01:52 PM
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ZR700? So you're using a drivetrain loss of 17%?

This is only a gain of 60 hp over stock (less than 10% increase).... how much does this kit cost?
 
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Old 01-08-2009 | 04:31 PM
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17% loss is way to high for that car.
 
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Old 01-08-2009 | 06:40 PM
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Usual calculated loss is 12-13%. Which works out to about 668 hp with a 13% loss, still not a bad increase. I'm sure there is still quite a bit more in it.
 
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Old 01-08-2009 | 07:36 PM
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15% to 17% should be right on the money. Gain with the numbers across the curve look great.
 
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Old 01-08-2009 | 07:41 PM
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Originally Posted by Almo
15% to 17% should be right on the money.
Based on what? We aren't talking about a Turbo 400 tranny here.

The stock dyno #s I have seen are falling between 560 and 570 at the rear wheels. That puts loss between 11-13%.
 

Last edited by flash68; 01-08-2009 at 07:53 PM.
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Old 01-08-2009 | 07:48 PM
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Originally Posted by flash68
Based on what? The stock dyno #s I have seen are falling between 560 and 570 at the rear wheels. That puts loss between 11-13%.
there is a lot less loss with the rear mounted tranny the vettes have. 10-13% sounds very accurate.
 
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Old 01-08-2009 | 10:13 PM
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This is just the low-avg numbers from their dyno pulls. It's called marketing... underadvertise, overperform.

Hennessey, what kind of numbers are coming from the LS9 Camaro y'all got?
 
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Old 01-08-2009 | 10:53 PM
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Originally Posted by th3Stig
It's called marketing... underadvertise, overperform.
 
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Old 01-09-2009 | 03:05 AM
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Originally Posted by flash68
Based on what? We aren't talking about a Turbo 400 tranny here.

The stock dyno #s I have seen are falling between 560 and 570 at the rear wheels. That puts loss between 11-13%.

Which dyno? I haven't seen numbers that high.
 

Last edited by Almo; 01-09-2009 at 03:17 AM.
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Old 01-09-2009 | 03:40 AM
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Originally Posted by Almo
Which dyno? I haven't seen numbers that high.
Here's a quick list of some search results. I have seen anywhere from 530s to 570s, but more in the upper part of that range it seems.

Bottom line, no matter what the varying numbers are, 17% drivetrain loss on a newer manual tranny is exaggerated.

Dyno-jet
12.3% loss on this one.
These guys said they just tinkered with it, no add-on parts or anything
 
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Old 01-09-2009 | 03:52 AM
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Originally Posted by flash68
Here's a quick list of some search results. I have seen anywhere from 530s to 570s, but more in the upper part of that range it seems.

Bottom line, no matter what the varying numbers are, 17% drivetrain loss on a newer manual tranny is exaggerated.

Dyno-jet


12.3% loss on this one.


These guys said they just tinkered with it, no add-on parts or anything
I still think 15% is right on the money in my opinion. Viarable 2% might be the cars are running a bit rich. I have yet to see stock numbers over 550. (520 to 540s). Getting ready to check all your threads out though. From what I have read... tinkered with it isn't showing SAE engine dyno through the wheels on a Dyno Jet. They're hitting the street a bit rich so tinkering could be, adding a couple degrees and leaning it out and getting a quick 40 to the wheels. Perfect example based off what your saying is this thread... 581, MODDED puts the cars at your stated DT loss.
 

Last edited by Almo; 01-09-2009 at 04:05 AM.


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