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Author Topic:   gear ratio
copper
Dirt Full Roller

Total posts: 51
posted December 15, 2003 05:37 PM  
Anybody know how to figure out gear ratio by jacking up one wheel turn it one revolution and count how many times driveshaft spins around. someone told me how to do it this way, but there is more to it, a formula you use with that info. I can't remember its been 5 years now! THANKS

Okie11m
Dirt Freak

Total posts: 287
posted December 15, 2003 05:56 PM  
It will get you close but it is hard to tell exactly. A 620 & a 633 would be close. Just an ex.

JRB13
Dirt Forum Racer

Total posts: 80
posted December 15, 2003 09:15 PM  
ITS NOT A FOR SURE WAY THE BEST WAY IS TO PULL THE COVER JUST SO YOU WILL KNOW THE EXACT RATIO.

racer17j
Dirt Forum Champ
Total posts: 5390
posted December 15, 2003 09:41 PM  
i'm with 13 you'll try 15 times to figure out what you have when it just takes a few m9nutes and you know for sure by couinting the teeth

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