PDA

View Full Version : what kinda of rpm's


hotrod1994
05-30-2011, 06:09 PM
ok im gonna run a 29x12.5x15 tire with 4.56 gears and a th 350 i live out in the country so 55-60 will be ran for 10-15 miles when crusied will i be ok running it like this or would 4.10 be better what kinda of rpm's will i run
also i will have a 1800-2200 stall converter can i run it with the 4.56 gears
any help is appreciated
don't have a big budget so don't tell me to get a tranny with over drive




thanks logan

TheRabbit
05-31-2011, 02:20 PM
Most tires are 1.5 inches shorter than advertised so 4.10 will be 3,000 and 4.56 will be 3,325 rpms at 60 mph

That's fine with me. It's yours, you can run a 6.20 gear @ 4,800 at 60mph and it's ok with me. :lol:

hotrod1994
05-31-2011, 02:46 PM
ok thanks