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-   -   70mph, 1850rpms, 285's.... (https://www.dieseltruckresource.com/forums/performance-accessories-2nd-gen-only-91/70mph-1850rpms-285s-271003/)

CODODGE2500MAN 06-01-2010 06:52 PM

70mph, 1850rpms, 285's....
 
So what gears do I have?

I've looked everywhere I can think to check, and no luck.

I'm betting on 3.55s, not 4.10's, but thought I'd ask the experts?

Oh, and the 70mph was per gps, not uncorrected speedo....

graphitecumnz 06-01-2010 07:13 PM

3.73's...

Purplezr2 06-01-2010 08:06 PM

3.55's I run about 2k doing 65 with 265's

Tacomaman87 06-01-2010 08:11 PM

im up around 2000 to 2100 with 285's and 4:10 gears

97DodgeRam 06-01-2010 08:28 PM

3.55's. The only two factory options that Dodge came out with before 2003 were 3.55's and 4.10's. I have 4.10's with 285's and I'm around 2200 RPM at 70 MPH.

JoeCanuck 06-02-2010 02:07 AM

I have 285's and 4.10 gears on my auto. I rev about 2000rpm at 68, gps corrected.

graphitecumnz 06-02-2010 05:11 AM

with 3.55's, 285's(33's) and a 47RE at 1850RPM, the speed calculates to 74mph... 70mph calculates to 1750RPM...

with 4.10's and 285's, the RPM for 70mph calculates to 2025RPM...

CODODGE2500MAN 06-02-2010 08:17 AM

SO 3.55's IT IS!!!!!!!! THANKS GUYS, I KNEW YOU"D BE ABLE TO HELP!!!!

Brendan 06-02-2010 12:15 PM

Not to steal the thread but, the sticker under the hood of my 94' says 3.50. Is that how they labeled 3.55? or is that what it has?

gorms 06-02-2010 08:41 PM

Also, not to steal the thread, but manual vs. auto, autos overdrive is a bit taller than the NV4500. .74 vs .76 I think, I used to turn 1850 at 65 (on stock 245/75-16) with the auto, now I'm at about 2k at 65 with the 5 spd, 3.55's.

Purplezr2 06-02-2010 08:55 PM


Originally Posted by Brendan (Post 2777319)
Not to steal the thread but, the sticker under the hood of my 94' says 3.50. Is that how they labeled 3.55? or is that what it has?

mines say 3.54 I believe, will check next time I'm home.

graphitecumnz 06-03-2010 12:14 PM

http://dodgeram.org/tech/transmission/4xrh.htm

http://dodgeram.org/tech/transmission/4xre.htm

http://dodgeram.org/tech/transmission/nv4500_spec.htm

http://dodgeram.org/tech/transmission/nv5600_spec.html

bushwacker24 06-05-2010 07:31 PM

gears
 
Easy way to check is one rotation of the wheels equals how many turns of the driveshaft.


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