Im wondering how much the gear ratio will change by going with smaller rear tires for drag racing. The curreny F-1 tire is approx 29" in diameter if I go to a smaller 225-50-16 tire like Nitto drag radial which approx 25" how much will that change my gear ratio and will it be for the better or worse.

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2000 WHT LIGHTNING
Stock 14.03 96.3mph
w/superchip 13.53 101.5mph

 

WHITELIGHTN-
I can get you close without a calculator. I run 26" tires.
3.55=3.93
3.73=4.10
4.10=4.47
I believe with 25" tires it is even a greater gear ratio.
Hope this helps?


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Dan

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99.5 Vermillian Red SVT Born on date:
8/24/99 # 2094
N.L.O.C # 461
F1 Hood
Full Bassani Exhaust
PSP TOTALLY ENHANCED-4-way chip,filter
Level 10 Trans Kit
4.10 FMS Gears
JohnnyLightning Ram Air
Beltech 2" Drop
And the list keeps growing!!!
Best STOCK 14.22 @ 98.36 in 90+ degree weather
BEST et w/ mods to date:
13.59 @ 102.49. on F1's in 90 + degree weather
13.23 @103.98 on M/T E.T's w/1.91 60 ft in 89'degree weather

THANKS SAL!!!!!!

"TEAM PSP"-Fla. Chapter