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Post by erik on Jul 9, 2004 11:50:33 GMT -5
what are the effects of using smaller tires than your dif is geared for? ie driving on 31's with 4.88 or 5.29?
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Post by fourwd1 on Jul 9, 2004 12:41:17 GMT -5
It puts you out of the engines power band
I ran 235's (approx equal to 28's I think) with 5.29 gears for a couple of weeks and
1) I could start out in 2nd or 3rd
2) I wished I had 6th and 7th gears
3) Sometimes I couldn't find a correct gear to get RPMs right
It was similar to having a crawler gear in the t-case.
Your example wouldn't be quite as bad.
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Post by DrumBum on Jul 10, 2004 2:30:36 GMT -5
I've got 30's with stock 4.37 gears in my '80 truck, can start in 2nd, and have a top speed of about 75...... downhill...... 'course, a big part of that is i only have a 4 speed transmission... anyway, you get a loss of top-end speed, acceleration, pretty much anything relating to speed.
if i remember right, you do get more torque, though, cause at low speed your engine is running at higher rpm's... someone correct me if i'm wrong
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