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Old 03-19-2005, 09:36 AM   #1
fire235
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rearend ratio

Does anybody know the possible gear ratio for a 68 1/2 ton 307 with 3 spd column. Thanks.
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Old 03-19-2005, 04:39 PM   #2
roj2323
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check your glove box door it may tell you. if not pull the diff cover and count the gears. the the number of teeth on the ring and divide by the number of teeth on the pinion.
ondrew
p.s. my guess would be it's a 3.08
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Old 03-19-2005, 11:48 PM   #3
Longhorn Man
its all about the +6 inches
 
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Most likely it is a 3.73 onless otherwise optioned. If I remember correctly, the 3.07 gear was only standard with an automatic and small block.
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Old 03-20-2005, 01:16 AM   #4
Truckstuff
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