whats the formula
#1
05-02-2001, 09:24 PM
Join Date: Sep 2000
Location: Huntington Beach, CA
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whats the formula
i am gonna put bigger tires on my old truck and i need to know the formula to make the speedo think they are the same. you know bye lowering rear end ratio.
now: 28 inch tires and 3.08 rear end
soon: 31 inch tires and _________?
does somebody know the formula?
thank you so much
now: 28 inch tires and 3.08 rear end
soon: 31 inch tires and _________?
does somebody know the formula?
thank you so much
#2
05-03-2001, 11:15 AM
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Location: Calgary, Oilberta
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Check out http://www.bncoffroad.com/tire_gear_cal.html - it will calculate for you. If you really want the formulas, let me know.
In your case 3.08*31/28 = 3.41 (or 3.30 0r 3.55, since that those are the closest available ratios.
Ian
------------------
99 Expedition EB
5.4l, 4x4, 4.10 LS
WMS Tube, Bassani Cat Back Exhaust, Superchip Flipchip
[This message has been edited by Ian N (edited 05-03-2001).]
In your case 3.08*31/28 = 3.41 (or 3.30 0r 3.55, since that those are the closest available ratios.
Ian
------------------
99 Expedition EB
5.4l, 4x4, 4.10 LS
WMS Tube, Bassani Cat Back Exhaust, Superchip Flipchip
[This message has been edited by Ian N (edited 05-03-2001).]