G3 rpm/gear ratio

1973Barracuda said

Goody, you must cruise at really low rpms.

With 3.55 I think I was looking at 1800 at 80mph I think.

Click to expand...

at 65mph I am about at 1,900rpm, 2,300rpm at 80...

If you had 3.55s, 0.69 OD and turned 1,800rpm at 80mph, you would have to have a 36" tall tire...the correct calculation is 2,368rpm using the 27" tall tire you reference earlier.