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Old May 18, 2004 | 09:50 PM
  #1  
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84FB351
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From: Wisconsin
Thumbs up quick gear question

i have 33 tires on my truck now and intrend on going to 35's within th year. i got the stock 3.55 gears in it now and i want to upgrade. should i go 4.11 or 4.56? can you get both those ratios for the ttb axle out front? with the 4.56's will my rpms be way high when doin 65? b/c it runs about 26-2800 rpm's now at 65-70 . and also whers the best place to get the gears? cheapest best deal? my oaycheck is only so big
 
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Old May 18, 2004 | 10:18 PM
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From: CT
gears and instal kits usually run for around $180 per axle, installation runs upwards of $300-400 per axle. I would run 4.56 with 35's
 
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Old May 18, 2004 | 10:25 PM
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tite4x4
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From: Richmond, CA
I have had 33" tires and 4.10 gears for several years on my rig. Rpm's hung around 2500 at 75. I just rebuilt my rear-end and now have 4.56 gears and same size tires. rpms are around 2700. If you are planning on going to 35" tires I would recomend going to at least 4.56, and maybe even 4.88. The 4.56 would average the rpm's to around stock and the 4.88 will be slightly higher, but more power off the line, going up hill, and towing. And if you plan on doing a lot of wheeling then go with the 4.88.
 
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Old May 18, 2004 | 10:36 PM
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ANdrewdrice
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From: Chino Valley
http://www.4lo.com/4LoCalc.htm
this will tell you what gears you will need (or should have).
 
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