The Mud Pit > General
Gear Help Please
gearhead1985B:
--- Quote from: calvynandhobbs on January 20, 2010, 10:06:00 PM ---
--- Quote from: Tsunami on January 20, 2010, 08:50:17 PM ---what you guys think i should go to when i go 35's?
--- End quote ---
Well, I'm running a 5spd with 3.73 gear currently and am going to 4.56 gears. With a 6th gear you could probably get away with 4.88 gears without hurting your mileage too bad and I think the 6spd has a slightly lower ratio than my 5spd so you would have a good crawl combination.
--- End quote ---
the aw4 thats in your xj
Gear Ratios for the AW4 are 2.80, 1.53, 1.00 & .75.
The AW4 is a light to medium-duty transmission. Ours, our callers' and customers' experiences with the AW4 are less than stellar. They have a tendency to generate excessive amounts of heat, and are known for unnecessarily consuming more engine power than some other automatics. The shift points in the AW4 feel odd, and the spotty engagment of the lockup torque converter is idiosyncratic.
But, it is a decent transmission, and if kept cool and maintained, it can offer good service within its range.
rodger's tj has the ax-15
The Novak Guide to the
Aisin-Warner AX15 Transmission
Gear ratios for the AX15 are: 3.83, 2.33, 1.44, 1.00, 0.79, for first through fifth, respectively.
In Summary
The AX15 is one of the good successes for Jeep transmissions. They are generally regarded as the best five-speed transmission ever installed into a Jeep. They are a worthwhile gearbox, and remain in production by Aisin-Warner.
and big adams lj has the nsg 370
NSG370 Specs at a Glance
Make: Daimler
Length: 23.5" (I6), 24.8" (V6)
Height: 18"
Weight: 89 lbs.
Case: Cast aluminum
PTO Port: None
Mfg. Torque Rating: 272 ft. lbs.
Gear Ratios (Jeep): (x-to-1):
4.46 2.61 1.72 1.25 1.00 0.84 R4.06
in order for adam to get rolling on 35's you will need at least 4.10's imho and a few more inches of lift but you could join the dark side add break out the saws all for a little trimming correction alot of trimming
reptile610:
i have the stock 3:55's with 33x12.5 mt's and i don't really notice a big problem on or off the road. i still out climb alot of ppl out here on the rocks. then again i have a new intake but i don't see that having a big difference.
reptile610:
btw, your not "supposed" to go over 35's with that dana 30 front axle.
inthemud14:
yea i know to stop at a 35 on the dana 30. Since this is my DD, im not going over a 35'' tire. I want my jeep to be good on the street, and good offroad, so im leaning to the 4:56.
How bad will it be with 33's and 4:56's, will my gas mile suffer badly? and this setup will only be temporary.
gearhead1985B:
--- Quote from: inthemud14 on January 21, 2010, 03:19:14 AM ---How bad will it be with 33's and 4:56's, will my gas mile suffer badly? and this setup will only be temporary.
--- End quote ---
well it won't be to bad in town it will accelerate like a bat out of hell off the line on the highway you will be pushing about 2500 at 65 mph
i used this ratio calculator to get the numbers
http://www.grimmjeeper.com/gears.html
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