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What do you think about PTKs ET Calc??

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Old Feb 12, 2005 | 08:18 PM
  #1  
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Default What do you think about PTKs ET Calc??

I have been playing with it but I am not confident in the #s till I can find the correct frontal area and cd for our trucks. I am using a cd of .450 since that's what the Hemi SRT10 has so mine can't be worse than that ****. I am using a frontal area of 25 and I'm coming up with some wild #s. I'm trying to do some projections for my new truck and motor.

With 650rwhp AVGERAGE on a Dynojet, which translates to 552rwhp on a Mustang dyno.

A MaxGforce of 1.2 which would be a 1.60 60'

a Weight of 4100lbs

I am getting

60': 1.60
1/4mile: 10.18@133mph

and

60': 1.77
1/4mile: 10.35@133mph


I need someone who has dyno'd their truck and ran it at the track before doing any other mods to verify how accurate this is. I also need from hard #s concerning Frontal Area and cd for our trucks.

Here is the link to the thread with the DL for the program:

https://ls1tech.com/forums/showthread.php?t=274789
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Old Feb 13, 2005 | 08:11 AM
  #2  
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I played around with it and also got some funny numbers too. I used 24 for the front area and .44 cd. I used .9 Gs (1.80 60' time I think). Using a weight 4900 it says I need 1200 rwhp (dynojet) to get 9s and at parish's hp (611 dynojet) gave mid 11s. I put in Parish's 4600 weight and got 11.035 I think (which GTech gave him mid 10s I think).

The weight is supposed to include driver, btw.
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Old Feb 13, 2005 | 11:46 AM
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There you go Erik, you only need 1200hp and you will be all set.
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