Vintage Mustang Forums banner

looking for website to caculate RPM, rear ratios

574 Views 3 Replies 2 Participants Last post by  sixtysevenGTconv
I came across a site once that you plugged in the tire height, trans ratio and gear ratio and I think a MPH and it spit out a RPM number.
I'm trying to decide on what rear gears to put with this AOD.
Wanting to know the rpm values at certain highway speeds.
Anyone have this link?

66 coupe, bench, 289 2v, dual exhaust, C4, A/C, Clearwater Aqua,
1 - 4 of 4 Posts

· Registered
1,643 Posts
1 - 4 of 4 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.