gears for tires
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Senior User
Joined: Mar 2007
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From: Rochester, Pa
gears for tires
Ok well now that I got the 38s on my truck the stock gears are a bit doggish. i was thinking of going with 4.10s cuz i can get a good price on a front center section and a rearend with 4.10s and Detroits. so thats why i was looking to go that route. Do you guys think 4.10s will be ok with the 38s? thanks in advance
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From: riverton u.s
like mentioned above the 4:10's should work fine. I run 4:56's with my 35's. They work awesome. I dont have a huge top end about 75mph is 3k rpm, but when I hit the trail and go into 4low I can idle up about anything lol.
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Senior User
Joined: Mar 2007
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From: Rochester, Pa
I would really like something around a 5.13 just cuz i dont drive on the highway alot and its very hilly around where i live but like i said i'm getting a good deal on rearends with 410 and lockers so thats seems to be the ticket
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From: Central PA
I run 4:10s for 33" They are ok for 36 but doggy . Coarse I live in a very hilly area. Using old chart from OFF ROAD magazine . Lets just say you need lower than 4:10 to get the engine RPM range back to normal .
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From: Rochester, Pa
Originally Posted by lostin90s
I run 4:10s for 33" They are ok for 36 but doggy . Coarse I live in a very hilly area. Using old chart from OFF ROAD magazine . Lets just say you need lower than 4:10 to get the engine RPM range back to normal .
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Joined: Oct 2006
Posts: 4,816
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From: Davis & Newcastle, CA
Here's an awesome chart on that 4lo.com website for finding the right gear ratio for your tire size. I need some 4.10s 
http://4lo.com/calc/geartable.htm
-Chris
http://4lo.com/calc/geartable.htm
-Chris
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Joined: Jul 2002
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From: Bend,OR
i would run at least 4.88's unless this is a road queen. 38's is also pushing what the front and rear diffs can handle. if you run a 4.10 gear and that size tire you will be more apt to use throttle to get thru things which will cause breakage.
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Joined: Mar 2007
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From: Rochester, Pa
this thing only see the mud when my buddies get stuck so its not like i wheel it hard when i am i just wanted some more get up and its getting a sas this winter with a 9inch in the rear.