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Drivetrain loss? Dynolicious

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Old 11-20-2009 | 08:30 AM
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Default Drivetrain loss? Dynolicious

Hi everyone,

anyone know what Drivetrain loss % is for a N/A xf?
Weight for the car LBS?
 
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Old 11-20-2009 | 11:18 AM
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Default Re: Drivetrain loss? Dynolicious

I just put 0 to show rwhp since anything else is a guess. However, even with that it only showed 265rwhp with a 110mph trap (mine's an SRT6 with a NW dual cai)??? The rwhp peak was also shown as the top of 2nd gear on my car.

If you get some 60' times and 0-60 times, please see my thread here:
https://www.crossfireforum.org/forum...s-60-time.html
I'm curious as to whether the 60' time is accurate. Maybe there was more spin than I thought, after all 1/2 second isn't that long time-wise, but is a big difference in ET.
 
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Last edited by billvp; 11-20-2009 at 11:20 AM.
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Old 11-20-2009 | 12:31 PM
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Talking Re: Drivetrain loss? Dynolicious

I was told 15 to 20% loss
 
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Old 11-20-2009 | 02:45 PM
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Default Re: Drivetrain loss? Dynolicious

I also don't think there's anything to measure hp losses due to drag. So that's probably why mine peaked in 2nd gear.
 
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Old 11-23-2009 | 07:46 AM
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Default Re: Drivetrain loss? Dynolicious

The typical RWD car is 16%-19% loss. Personally, I calcualted 19% based on multiple dyno postings on this site.
 
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Old 11-23-2009 | 10:44 AM
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Default Re: Drivetrain loss? Dynolicious

I'll go with 19% aswell then. What about the weight in LBS for the N/A ?
 
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Old 11-23-2009 | 10:50 AM
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Default Re: Drivetrain loss? Dynolicious

3050 lbs + driver weight + fuel.
 
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Old 11-23-2009 | 11:42 AM
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Default Re: Drivetrain loss? Dynolicious

Originally Posted by sonoronos
3050 lbs + driver weight + fuel.
What is the roll out ? says something about it in the setup.
 
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Old 11-23-2009 | 02:05 PM
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Default Re: Drivetrain loss? Dynolicious

I know nothing about dynolicious, but in drag racing, rollout is supposed to be the distance the front tire travels before the stagebeam is tripped.

Actually the definition varies depending on the drag strip, but I still fail to see how rollout is relevant to a dyno program.
 
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Old 11-23-2009 | 08:03 PM
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Default Re: Drivetrain loss? Dynolicious

You set the rolllout to be the same as your drag strip to get closer numbers.....
 
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