CLASS RACER FORUM - Formula to convert 660 to 1320

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Fred Elsass

09-19-2025 01:39 PM

Formula to convert 660 to 1320

Any help out there.

Sarge

Skydog

09-19-2025 01:59 PM

Re: Formula to convert 660 to 1320

1/8 mile time multiplied by 1.555

Hacksaw

09-19-2025 02:52 PM

Re: Formula to convert 660 to 1320

Now way there is a perfect formula. From experience 4.60 = 7.33 5.65 = 8.90 6.10 = 9.50 and 6.90 = 10.90

hilton

09-19-2025 04:51 PM

Re: Formula to convert 660 to 1320

Lookup Wallace Racing Calculator a lot of good formulas to play around with

cordoba13

09-19-2025 05:35 PM

Re: Formula to convert 660 to 1320

I have seen some et predictors that had run completion, but that was if you lifted at the 1000 ft

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