The 8.5 in your truck could have issues. 13's may not sound that fast, but when you are doing it with a 4500 lb truck and hooking hard, it could cause you some grief.

 

what is a very streetable diff??? for the 8.5 10 bolt???

 

as of right now I'm thinking the detroit is the way to go for me.

 

Have you seen this video, that a 10.5" Eaton Posi in there...

http://james.jaguar.net/pics/burnout2.mpg

 

I have watched that video many times, great stuff!

What kind of rwhp you putting down? I'll be installing the Caltracs along with the diff upgrades. So that should take care of wheel hop,,,,,

I also plan on visiting the drag strip as much as I can in the next year, going back to sea duty, so I need to get all the fun in I can.

James, How aggressively do you drive?

what I'm trying to do is establish a gauge for my requirement.............have you had bad experiences with the detroit?

thanks again
Devin

 

I have no bad experiences with Detroit. In fact, I don't know of ANYone who's had a bad experience with one. They do exactly what they're supposed to do. Detroits are very popular with Dana rear ends. They have a full product line for the different Dana housings, like Eaton has a full line of Posi's for the GM AAM housings. They don't exactly compare to each other though. It's a locker vs. limited-slip issue. Each has benefits and each has drawbacks. The Eaton is built for the street. Detroit is built for off-road.

Power I'm putting down? I don't really know. Not that much really. It's still a stock bottom-end 2-bolt L31. It's funny how much a GM stock shortblock puts up with.

I drive my truck like I'm trying to get a ticket. I'm not rude (cutting people off, lane changer, etc.) but I like to change speeds rapidly. I also like pulling ahead of traffic from stoplights, people close in the rearview mirror bother me a little bit.

There's two things I cannot make last in my truck - tires and catalytic converters. Hopefully an upcoming manifold swap and tuning with solve the latter problem.

 

i'm trying to get the video up yet of the grey tahoe. that still has the gov-lock in it, but will shortly be getting a detroit. that truck went 13.8 on the stock gov-lock. all in all they are only good for stock trucks being used for normal truck duty though.

any new times james?

 

Nope, I have not been in a long time. Last time I was there was before the heads, valvetrain, exhaust, trans, etc... lots of stuff. "I'll be back..." lol

 

i've been waiting, hoping to hear good news. if all goes well the grey one will have a radix on it before summer hits and we'll get it into the 12's. keep me updated if you will.

 

Damn, why did this get moved???