3.07's off road

[MMiller]

Hey guys
Posted this question in the first gen area, and did not come to much of a concensus. So I thought I would put it here.

I purchased a 1990 dodge(see sig) and it has 3.07's with a 3 spd 727. I will eventually run 38-40 inch swampers or boggers on the truck. My friends and I wheel in the midwest, trails, some mud, little sand, occasional rock not like moab though. I am pretty sure that the 3.07's are gonna be tall, and the diff housings won't accept any other gears. I will probably trade for another set of axels.

I was wondering if you guys think that 3.55's will be a good gear for those tires. Some buddies of mine run those size tires with 4.10's and mild big blocks. BUT I think the cummins will make more than enough torque to run the 3.55's. I always run low side on my 75 dodge and have had 36's on it with no problems(its 440 4sp with locker in front, and limited slip in rear).

This truck will still be road worthy, I can't justify having a truck that I can't drive to town. It ain't gonna be an interstate truck, or long hauls. But go to get parts, cruise, stop light abuse, etc.

What do you think?

Michael