8 3/4 identification help

mycuda said

Or 3:31

Click to expand...

The 3.30 ratios are like the 4.80s and 5.10s. Depending on the manufacturer and which housing is being used. You can have 3.31 or 3.36 or 4.86, 4.88 or 4.89 and 5.11, 5.12 or 5.13.