Will 3:07 gears be ok

[71 GMCDRVR]

Originally Posted by Tx Firefighter

He said he has a 3/4 ton so he doesn't have a 12 bolt. He'll have either a Dana or an Eaton rearend. Swapping axles and drums aren't an option for him.

Yup sorry, my mistake its a 10 bolt currently on it now I dont know why I ASSumed it was a 12 bolt.

http://67-72chevytrucks.com/vboard/s...d.php?t=488895

Here is the set up being sold, I was wondering if 1. it will even fit on a 3/4 ton. and 2. will the different gear ratio ruin my performance.