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Discussion Starter #1
Has anyone changed the rear gear and if changed was a speedo calibratiion box required to for the speedo to show the correct speed? I am thinking of going to a 3:75 gear from the 4:56.

Also, has anyone lowered the truck, 2" front and 4" rear and if so what problems if any were encountered?

Thanks,
 

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Just curious? Why go to a 3:75? Top end speed? Gas mileage? You'll change the nature of the beast with those gears! It'll run like a Crown Vic then! Droopy :confused:
 

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Change to a 3:75???????????????? Why would you want to do that??????? To answer your question, you do not have to recalibrate anything. I changed from a 4:10 to the 4:56 and everything recalibrated itself........... A 3:75???? DON"T DO IT
 

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Discussion Starter #6
Thanks for the advise everyone. My thoughts were since driving the Viper and going from the 3:07 to the 3:73 gear and trying a 4:10 in the Viper to only find it to be to much gear it appeared that the 4:56 in the RAM would also be to much gear. I will go drive it (I just got this last week) for a few miles and make the decision.

I will be changing the exhaust as it needs a little more tone.

Thanks again,

Fangs
 

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Yes it's a 4.56 gear but it's a 32"ish tall tire. The Viper tire (depends on the year) is 28"ish. Basically the Ram with the 4.10 is the same as the Viper with the 3.07's.
 

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gears

right on 9- seconds,also the truck's weight is what 5500lbs vs-viper 33-3400lbs big difference,your asking for clutch problems forsure!
gearheadbill
 
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