Dyno sheets vs Track Times - Page 5 - Cherokee SRT8 Forum
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post #41 of 87 (permalink) Old 11-12-2012, 06:54 PM
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When i called mustang about the diff between there AW DYNO vs a AW DYNOJET they said its about 5% to 7%.
The guy I worked with had quite a bit of experience with both and said it was consistently 12-14%


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post #42 of 87 (permalink) Old 11-12-2012, 07:02 PM
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The guy I worked with had quite a bit of experience with both and said it was consistently 12-14%


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Sorry guys, this is a dumb argument considering all dynojets are different. The numbers are what they are. If you want the piece of paper to say something different, go to another dyno and I promise when you get that sheet with a higher number your jeep will not be any faster at the track.
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post #43 of 87 (permalink) Old 11-12-2012, 07:04 PM
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The guy I worked with had quite a bit of experience with both and said it was consistently 12-14%


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Yah that converts my 558 to around 625-635 AWHP = 10.93@122 , make sense ? But track numbers remains the same hehe , I'd say Fack dyno sheets IMO

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post #44 of 87 (permalink) Old 11-12-2012, 07:08 PM
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Originally Posted by Andy View Post
Sorry guys, this is a dumb argument considering all dynojets are different. The numbers are what they are. If you want the piece of paper to say something different, go to another dyno and I promise when you get that sheet with a higher number your jeep will not be any faster at the track.
This is true. It is all really about the ability to tune your vehicle with the most likely real world conditions.


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post #45 of 87 (permalink) Old 11-16-2012, 12:31 PM
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Originally Posted by Andy View Post
Sorry guys, this is a dumb argument considering all dynojets are different. The numbers are what they are. If you want the piece of paper to say something different, go to another dyno and I promise when you get that sheet with a higher number your jeep will not be any faster at the track.
I agree Andy, having worked with a local shop owner that does a lot of dyno tuning I've learned that it basically comes down to how the dyno is calibrated. Basically all the dyno is good for is getting tuned and seeing the HP and TQ gains, not to be used for a pissing contest. Time slips are best for that
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post #46 of 87 (permalink) Old 11-16-2012, 01:02 PM
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dyno sheets are just a gear pull,
add launching, hooking, shifting, and making it down the track in one piece and you ll find that a dyno pull dont mean sh!t. Id rather run faster than my dyno numbers say I should than slower.


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post #47 of 87 (permalink) Old 11-17-2012, 08:29 AM
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I get that every dyno is different guys, so is every pass at the track, temp, humidity, baro, da, etc... These threads aren't meant to be scientific, lol.

It's funny that Paulo can run a second or more quicker than most of the other guys with the same power, so we have to come up with excuses somehow.

For what it's worth, the Mustang dyno by me reads 10-15% lower than the surrounding dynojets and dynomites. It's all in how the owner operator has them setup. I couldn't get my turbo to light on the mustang dyno for some reason, but on a dynojet it wasn't a problem.
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post #48 of 87 (permalink) Old 11-17-2012, 12:33 PM
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???whp/???wtq from 5.5psi = 11.72 @ 119.25mph

once i get a driveline in & can up the boost without worrying the tranny will grenade i'll have baseline #'s on 5.5 psi and then up the boost to probably 10'ish


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post #49 of 87 (permalink) Old 11-17-2012, 02:50 PM
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MPH and weight are your power, no hidding it.
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post #50 of 87 (permalink) Old 11-17-2012, 03:36 PM
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Originally Posted by Chris Hull@TTC View Post
MPH and weight are your power, no hidding it.
5100lbs with me in it and 119.25mph, i know the jeeps booking it even on 5.5psi, cant wait til 2013 and the driveline/fuel system goes in........... mmmmm double digit boost and 10 second slips
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