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8.1L 4L85E 5.13 gears 37” tires
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02-11-2018, 12:13 AM
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mongocanfly
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Join Date: May 2015
Location: Alabama
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Re: 8.1L 4L85E 5.13 gears 37” tires
according to my calculator if your trans has a .75 od you should be turning 2446rpm at 70...good enough I wouldn't change anything. ...and not worth the cost to change it....
http://www.csgnetwork.com/multirpmcalc.html
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