john39671 1/2 ton status Joined Mar 18, 2004 Posts 383 Reaction score 0 Location Baker City, Or May 20, 2007 #1 Is anyone here running a 4-speed, 4.10's and 33's? If so what is you rpm out on the highway? John
tRustyK5 Elbows up! Premium GMOTM Winner Author Joined Jul 23, 2000 Posts 41,546 Reaction score 13,346 Location In my garage May 20, 2007 #2 That combo would be running at 2713 rpm at 65 mph. Rene
Currank5 1/2 ton status Premium Joined Apr 4, 2006 Posts 250 Reaction score 13 Location Wyoming May 20, 2007 #3 www.4lo.com There is a calculator on there that allows you to find rpms/ratios for whatever combination you plug in. Good stuff.
www.4lo.com There is a calculator on there that allows you to find rpms/ratios for whatever combination you plug in. Good stuff.
john39671 1/2 ton status Joined Mar 18, 2004 Posts 383 Reaction score 0 Location Baker City, Or May 20, 2007 #4 THanks for the info guys. I still dont know if I'm going to put my 4.10's in yet, but this gives me a starting point.
THanks for the info guys. I still dont know if I'm going to put my 4.10's in yet, but this gives me a starting point.