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  • Member
  • Member For: 13y 7m 17d
  • Gender: Male
  • Location: Sydney

I got 12.27 with with 438rwhp, car weight + my own:

As some other guys already mentioned, how does the calculator take into account:

1. Track/Air temp

2. Tyre type

3. Reaction time

maybe its a good baseline calculator + or minus 0.5-1 second:)

cheers

Armando

Edited by Sydneyxr6t
  • Waiting for the 1st N/A 12!
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  • Member For: 17y 4m 8d
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  • Location: Sydney
  On 03/03/2012 at 10:11 AM, tonyv said:

That one's actualy worse!

See my predictions below

:

xZnna.jpg

  • Donating Members
  • Member For: 16y 5m 9d
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  On 03/03/2012 at 7:09 AM, allmtr said:

What car do you have? 1720kg WITH driver????

That's a BFII XR6T on its own - another variable - I guess I should add my weight

  • Waiting for the 1st N/A 12!
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It did get my 0 - 100 mph pretty much spot on though! Cause on my slip it said 7.104 1/8 at 101mph!

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It was pretty close for me

when I had 350rwkw my car did 11.92 @ 123mph

put the info in and it says 12.14 @ 123mph

weight: with me in it and half a tank 1840kg (yep I was curious one day and went to a public weigh bridge)lol

rwkw + 20%, then times by 1.34: 562hp

Its just my formula but :)

Edited by tonyv
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  • Member For: 16y 3m 12d
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  • Location: Newcastlish

I use

www.race-cars.net/calculators/et_calculator.html

Ignore the Et as there are too many variables ie traction/gearing/convertor etc but the mph/power thing should be around the mark. Then you can figure out what changes (more power or less weight) will make to your MPH.

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