gear ratio! -

1st Gen Dakota '96 & Older Dakota's

gear ratio!

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Old 02-28-2012, 11:28 PM
jake122288's Avatar
jake122288 jake122288 is offline
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Join Date: Feb 2011
Vehicle: The Chub - 91 dakota sport 318 4wd
Location: pleasantville, ia
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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, 03:46 AM
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Crazy4x4RT Crazy4x4RT is offline
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Join Date: Aug 2007
Vehicle: 93 Dakota
Location: NM
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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, 04:26 PM
marcar1993 marcar1993 is offline
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It is 3.92.
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