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Old 06-10-2010, 10:07 AM
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i wanna put bigger tires on but not sure if gears will handle

hi im bryce and im 17, i drive a Custom deluxe 20 with a fresh rebuilt 350 bored .030 over thats pushing about 350-375hp with a rebuilt TH350 3 speed automatic and a NP 203 transfer case thats 4 WD all the time. i also have a GM14 bolt FF rear w/ 4.10 gears and a Dana44 w/ 4.09 gears up front. i dont know what size tire yet cause im not sure what it can handle without getting new gears. any suggestions would be greatly appreciated. thanks

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Old 06-10-2010, 10:28 AM
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38s will work ok
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Old 06-10-2010, 10:54 AM
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Try this. http://www.ringpinion.com/Calc_RPM.aspx
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Old 06-10-2010, 03:43 PM
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How much lift do you have on it now and what are you thing on with the lift?
Is it your D/D? or just a play toy?

Cole
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Old 06-11-2010, 10:16 AM
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It actually doesn't have a lift on it but it's already pretty tall for stock but when I get money I plan on maybe getting a 4inch at most...cause yes it is my daily driver, but I would like to take it out every now and then for some fun
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Old 07-08-2010, 04:36 PM
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tires

you might be able to squeez 33s without the lift but the gears you have will work best with 35s but if you wanted 38 would be ok.
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Old 07-08-2010, 05:53 PM
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I would do 35's or 36's with a 4 inch lift. I had a 79 Chevy 4x4 halfton a while back with 36 inch tires and 3.07 gears , but took out the 350 and put in a 454. That combo worked great for me, more torque not lower gears.
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Old 07-08-2010, 06:20 PM
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33" BFG's with 4-inch lift. Was using the original 3.08's. Like the others suggested 36-38" with your 4.10's should be good.

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Old 07-10-2010, 10:17 AM
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go big or go home..lol...IMO.....but seriously, with 4.10s you can run 38" like nothhing...as for a daily drive, 33-12.50-15, nice looking tire...

remember a truck looks better with the fender wells fulll then a truck 20 feet off the ground and diffs draging...IMO
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