gear question

Hey guys, I am thinking of putting in a new set of gears. I was hoping that some of you have a set of 4:10 gears in your cars. I guess my qustion is how many RPM's are you guys turning at 55 or 65 MPH going down the freeway. I'm just thinking of putting in 4:10's. If the RPM'S are to high I'll put in 3:73's. Thank's guys. [Image: smile.gif]

Originally posted by Matuszak88tc:
...My qustion is how many RPM's are you guys turning at 55 or 65 MPH going down the freeway. I'm just thinking of putting in 4:10's. If the RPM'S are to high I'll put in 3:73's. Thank's guys. [Image: smile.gif]

Computed (not observed) assuming stock tires:
55 w/4.10 - 2453 RPM
65 w/4.10 - 2657 RPM
55 w/3.73 - 2232 RPM
65 w/3.73 - 2418 RPM
55 w/3.55 - 2124 RPM
65 w/3.55 - 2301 RPM


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Mike Walsted
1986 5-speed TurboCoupe .

Thanks Walsted