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Old May 7, 2009 | 02:57 PM
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i have a 2005 gmc sierra with a4.8l and 3.42 gears.i just bought a 6.0l motor to swap with,my question is with 35 inch tires what gear combo should i be running with the 6.0l motor
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Old May 7, 2009 | 04:47 PM
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I run 4:56's and love em, I think they are perfect, 13/16 mpg some people prefer 4:10's for a little better highway mileage, but to each their own
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Old May 7, 2009 | 05:10 PM
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i run 4:56's as well the rpm's are a little high on the highway. but around town there perfect.
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Old May 7, 2009 | 05:29 PM
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at 65-68ish im right at 2k rpms
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Old May 7, 2009 | 05:44 PM
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Originally Posted by venomhp
at 65-68ish im right at 2k rpms
your rpms are a little lower than mine, at 65 im right around 2300k.
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Old May 7, 2009 | 07:08 PM
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with a 35 inch tire you could probably run 4.88's. at least 4.56's. i have a 29 inch tire and run 4.10's. all depends on what u want
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Old May 7, 2009 | 07:22 PM
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4.88 all the way
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Old May 8, 2009 | 07:35 AM
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well i have land in the country so i do alot of hiway driving,if i was going to go with 4.10 can i buy them from GM. would like oe gears if possible
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Old May 8, 2009 | 03:09 PM
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Originally Posted by Brandon511
well i have land in the country so i do alot of hiway driving,if i was going to go with 4.10 can i buy them from GM. would like oe gears if possible
you can but your gonna pay up the a$$, go with aam.
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Old May 8, 2009 | 03:50 PM
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i'd go with 4.10s. buy aam gears from rons machining service on ebay
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