Quote:
Originally Posted by ppurfield001
I'm trying to figure out this gear ratio thing, Rukee. If I am going 70 mph on the highway, my 400 cubic inch engine is at about 3200 RPMs. Is that similar to your story above and, if you can venture a guess, what kind of gears am I running?
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Pull the diff cover and count the teeth on the ring and pinion, then divide the # of ring teeth by the number of pinion teeth.
Another way is by using Rukee's method and turn the tire 10 times and if the drive shaft turns 39 times the ratio would be a 3.90.
