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Author Topic:   GM Three speed
crc1124
Dirt Maniac

Total posts: 143
posted February 20, 2005 08:26 PM  
I have this gm three speed and I don't know what it is. The inspection plate is on the top. It has 10 spline shaft. I haven't got the numbers off of it yet, it was given to me. I think it might have come from a truck. I'm curios as to what the gears are. It looks like it's in near new condition. Do you think that 3rd gear is a 1:1 ratio?

The Flash32
Dirt Maniac

Total posts: 120
posted February 20, 2005 09:06 PM  
I imagine it is 1:1, how many lines are on the input shaft?

oba51
Dirt Full Roller

Total posts: 41
posted February 21, 2005 09:33 AM  
3rd gear is 1to1 no matter how many lines are on the shaft .those lines will tell ratio for 1st and 2nd

    

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