Engine RPM Calculator

[Peanut Butter]

Want to input your tire size and gear ratio to get the rpms your engine will run at different speeds? Go over to Muscle Car at Power Block TV and click on the calculator on the upper right. Nice tool. Need some Transmission gear info, just scroll down the page with the calculator! Rod

 

[BusaDave9]

Cool. Thanks for sharing.

Here's a chart I made. You want to shoot for the green. It shows engine RPM at 60 MPH

And derf made this much more informative gearing calculator: Gear Ratio Calculator

 

[CJ]

Great chart!

Don't forget Grimm -->> Grimm's Ratio Calcs

and

-->> Gear Ratio Calculator

 

[csuengr]

Or ((336 x road speed x axle ratio) / (tire diameter in inches - 1)) x Transmission gear ratio = rpms

 

[Old Dog]

Great chart!

Don't forget Grimm -->> Grimm's Ratio Calcs

and

-->> Gear Ratio Calculator

These are my favorites.
I like that it's so easy to change things and see what happens.