I agree with Tim on this. My 99 R/T now has 4.10s. In highway hauling my
mpg is the same as my 2K with 3.92s
TonyC
-----Original Message-----
From: Tim Berry <coolva1@cox.net>
To: dakota-truck@dakota-truck.net <dakota-truck@dakota-truck.net>
Date: Tuesday, December 24, 2002 9:58 PM
Subject: DML: Re: 3.55 vs. 3.92
>
>I went from 3.55's to 4.10's...
>
>heres a conversion to see what you'd tach...
>
>at 25MPH w/ 4.10's, its the same as going 29 w/ 3.55's
>35/41
>45/52
>55/64
>60/70
>65/76
>70/82
>75/88
>
>at 85MPH w/ the 4.10's I'm at 3000RPMs, and I have a pretty healty 360 in
my
>truck... and the 4.10's didnt affect the highway MPG more than 1MPG i dont
>think....
>
>I hope this helps your decision...
>
>Tim Berry - Chesapeake, VA
>97 CC 360 Auto 4300lbs
>best ET to date: 13.03@103.76
>
>
>
>>
>> Hi gang. My Dak has now made it into the high 15's at Fontana, CA. The
>last
>> thing I'm thinking of doing is going from 3.55 gearset to 3.92 in the
>> rearend. Any ideas as to what difference that would make to e.t.? I
>would
>> consider 4.10 but I think gas mileage would REALLY go to hell with it.
It
>IS
>> my driver, after all. :-)
>>
>> Tom
>> '98 CC 5.2 auto 3.55 limited slip.
>> FIPK, Mopar computer, JBA headers and Y pipe, 3 inch Magnaflow cat back.
>> Trans-go shift kit, 3923's and Mopar Perf cap, rotor and wires.
>> Hotchkis (2-3 drop) and Bilsteins
>>
>
This archive was generated by hypermail 2b29 : Fri Feb 06 2004 - 11:48:15 EST