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3.73 or 4.10s

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Old 05-02-2016, 06:15 PM
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08 crewcab and 4l60
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Old 05-02-2016, 07:22 PM
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Originally Posted by Drigo5.3
Not sure but there the stock 20s tires
Most likely 275/55/20, which is about 32" tall. I just read that you have a crew cab, heavy truck. I'd do either 4.30s or 4.56s.
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Old 05-02-2016, 08:22 PM
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275/55 are damn near 32.5" so basically a 33, and if youre running factory 20s they are heavy.... Probably pushing 75-80lbs per tire!! At least the 4.10, if not 4.30... Or swap in a 6l80 and stay with 3.73s
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Old 05-02-2016, 08:53 PM
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31.9" for 275x55x20
275 ÷ 25.4= 10.82
10.82 x 2=21.65
21.65 x .55 = 11.9
11.9 + 20 = 31.9 for tire size
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Old 05-02-2016, 08:57 PM
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Too much damned math george... Lol!!

I goofed been looking at 275/xx 20s to try to get a lighter wheel and tire combo on my truck and had em confused, my bad.... 32.5 is a 275/60
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Old 05-02-2016, 09:07 PM
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275 60 20 is 32.4

Every 5 is typically 1/2"
Every 10 is typically 1"
When referencing the ratio

Tire width is always broke down by divison of 25.4

25.4 = 1"
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Old 05-03-2016, 12:21 PM
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My 05 crew came with 4.10 from the factory and I wouldn't have no less. I think 4.30 would be perfect for a mild dd.
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Old 06-05-2016, 07:11 AM
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Put 4:56's in there and don't look back
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