1/8 mile calculators - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 8 (permalink) Old 07-31-2010, 05:22 AM Thread Starter
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1/8 mile calculators

is there a way to derive hp using 1/8 mile trap speeds or times? only found the calculator for the 1/4 mile.

2005 CC FX4...compounds and everything else that goes with em.
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post #2 of 8 (permalink) Old 07-31-2010, 02:51 PM
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Re: 1/8 mile calculators

Wallace Racing HP Calculator For 1/8th Mile

I think this shows a little high for our trucks, but it's the only one out there that I know of.

'06 F250 King Ranch Short Box Crew
NHRDA #4698

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post #3 of 8 (permalink) Old 07-31-2010, 03:00 PM
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Re: 1/8 mile calculators

That was 50hp high for mine.

97 250/95 motor, 400/300's, ts, swamps tuning,gen3, s475, Intercooled, h11 studs,a1000, built tranny. 3.55's, 237,xxx miles fastest non reg. cab obs 12.031@112.15 fuel

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post #4 of 8 (permalink) Old 07-31-2010, 03:15 PM
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Re: 1/8 mile calculators

Alright, if my truck weighs 8200 (I am sure it wieghs more its and EX), then it said I am at 569 at the flywheel. There is no way a stock turbo with hybrids can make that, that is like 512 at the wheels.

2000 EX, fuel, air, and heat.
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post #5 of 8 (permalink) Old 07-31-2010, 05:58 PM
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Re: 1/8 mile calculators

Did you notice this on the calculator page?

"These equations are for recreation only.
Not a substitute for actual testing".

'06 F250 King Ranch Short Box Crew
NHRDA #4698

RIP Muley
9/21/54 - 9/25/09
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post #6 of 8 (permalink) Old 07-31-2010, 08:41 PM Thread Starter
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Re: 1/8 mile calculators

Quote:
Originally Posted by SteveBricks View Post
Did you notice this on the calculator page?

"These equations are for recreation only.
Not a substitute for actual testing".
well yes but I've also heard that calculating using trap speeds and E/T's is a more accurate method than using a dyno...especially since there was a 50 hp difference between the last 3 runs I took on one.

2005 CC FX4...compounds and everything else that goes with em.
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post #7 of 8 (permalink) Old 07-31-2010, 08:43 PM
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Re: 1/8 mile calculators

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Originally Posted by stroke of luck View Post
well yes but I've also heard that calculating using trap speeds and E/T's is a more accurate method than using a dyno...especially since there was a 50 hp difference between the last 3 runs I took on one.
Still, no way my truck made over 500 on stock turbo. Unless my truck weighs less than 7k that calculator is way off.

2000 EX, fuel, air, and heat.
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post #8 of 8 (permalink) Old 07-31-2010, 08:52 PM Thread Starter
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Re: 1/8 mile calculators

that calc said 407 at the wheels. that sounds pretty dang close to what I've heard other people running with my mods!

2005 CC FX4...compounds and everything else that goes with em.
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