Which Diff Gears to use
#1
Which Diff Gears to use
I have an 1987 toyota Truck...a little moified, has a 22re with an auto trans. I Have 33 or 34 inch tall tires, depends on where you measure from, Which gear do I use, 4.88 or 5.29. This will be off road only. I have a 83 inch wheel base, and need a little zip. Thanks
#2
Contributing Member
22re with auto and 33's/34's? If you were gonna drive it on the street and needed a functional overdrive, I would actually say 5.71.
For an offroad only truck, though, I would look at changing the tcase - either add a crawler or change to a 4.7 ratio.
83" seems awfully short - did you shorten the wheelbase, and why?
For an offroad only truck, though, I would look at changing the tcase - either add a crawler or change to a 4.7 ratio.
83" seems awfully short - did you shorten the wheelbase, and why?
#5
Contributing Member
Both 5.29 and 5.71 have 7 teeth on the pinion. you should always have 3 teethe in contact, but the lower gears are MUCH more critical of setup to make sure that happens. Check out www.gearinstalls.com for more low-gear-toyota info
#6
Registered User
Here's a nice calculator I found...
http://www.izook.com/gearcalc.htm
Don't know how accurate it is. Should be simple math though.
http://www.izook.com/gearcalc.htm
Don't know how accurate it is. Should be simple math though.
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