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gear ratio!

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Old 02-28-2012, 10:28 PM
jake122288's Avatar
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Default gear ratio!

I have a question regarding axle ratio's... So according to the faq, they came with "Ratios: 3.21 (rare), 3.55 (normal), or 3.90 (rare). " I emailed dodge with my vin, to figure out the production codes/order... and in that list says it came with 3.92 gear ratios....

So are they actually 3.9's or 3.92's? I didnt know if it was an error in the faq or an error from dodge or what.
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Old 02-29-2012, 02:46 AM
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Crazy4x4RT Crazy4x4RT is offline
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According to the parts manual it is 3.90. It is common for manufacturers to round off the numbers. If you want the truth just divide the number teeth of the pinion by the ring gear.
In any case .02 of front to back axles ratios difference is safe.
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Old 02-29-2012, 03:26 PM
marcar1993 marcar1993 is offline
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It is 3.92.
93 Dakota 3.9/5 speed/4wd Green 32" a/t's - 01 2500 HO Cummins/6 speed Quad cab Lb
95 Dakota 3.9/5 speed/4wd Black truck SOLD -72 Satellite Wgn-87 Cutlass 350 Olds/6spd
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