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Old 10-09-2015, 09:30 PM   #1
Birdman72
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72 k10 gearing help

What gear are you guys running with 35in tires.I have a 350 turbo trans and I have a 3:73 gear now. Motor is a 383 stroker. No off-road driving just a pavement pounder .
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Old 10-10-2015, 02:24 AM   #2
swamp rat
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Re: 72 k10 gearing help

My 72 K20 is stock with 4:10's I have a mild build on my 350 and run 33" tires, fairly happy with it, i would think the 383 and 35's would offset each other and you would have about the same results.
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Swamp Rat build thread :
http://67-72chevytrucks.com/vboard/s...d.php?t=595019

72 3/4T 4X4
4" BDS Lift
33" BFG's
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Old 10-10-2015, 08:07 AM   #3
Birdman72
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Re: 72 k10 gearing help

Thanks for the reply swamp rat. I tried 4:46 it was great around town but at 65mpg tach about 3000rpm. Don't know if I like 3:73 little sluggish on take off might just go with 4:10
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