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**mongocanfly** · 02-09-2018, 09:31 PM

physco what trans are you running? I use the csg rpm calc..but using it and assuming your final trans gear is 1:1 at 65mph with 33in tires and 3.73s you should be at 2469rpm....
http://www.csgnetwork.com/multirpmcalc.html

02-09-2018, 09:31 PM	#17
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,583	Re: 35" tires with 3.73 gears physco what trans are you running? I use the csg rpm calc..but using it and assuming your final trans gear is 1:1 at 65mph with 33in tires and 3.73s you should be at 2469rpm.... http://www.csgnetwork.com/multirpmcalc.html __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver