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Those running Detroit....

73k5blazer

End the H1B Program!
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For those running Detroit locker in the rear.

Since I've gotten my K5 drivable, it has what I would term a very slight drivability issue. All in all, I have to say, it's the best driving 73-87/91 4x4 chevy I've ever driven, with everything brand new and gone thru, from ball joints/TRE's, steering shaft, steering gear, steering column bearings, axle bearings, brakes, new d-shafts, spring bushings, springs, shocks...everything, literally. No vibes, no shakes, no wobbles, brakes straight and clean.
But, one thing I notice is after taking off hard on acceleration, on the street, or letting off the gas some, it tends to shift directions slightly, almost like a snowmobile following ruts. I would almost term it darty. Only upon heavy input or letting off of the accellerator. My springs are skyjacker, so they're soft, I know that, but it just seems a little off when the truck seems to track a certain direction without more input from the steering than what seems necessary. Of course, I'm a little more anal than most when it comes to drivability issues, even on new cars. I hate vibes/wobbles/poor steering or braking feedback...drives me nuts.

My guess is, it's the Detroit. I've never driven a truck with one, so I dunno, and with everything new, I can't say if it's that or something else.

Is that a general behavior of a Detroit on the street?
 
Ive experienced some of this darting you speak of with my dd that has a detroit rear. It sounds like normal behavior to me. Most of the time I dont even notice it though as it is very slight and I am for the most part used to it after driving it every day for the last 4 years.
 
My Detroit "no spin" does this, too.

My favorite thing, is at highway speeds when you let out of the gas,
Let the Detroit let go, then slam the gas again....

Gotta love the full pull that'll change lanes for you... :haha:

I'm on 4" skyjacker's, custom shackles, and 2" blocks....
 
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Sounds normal to me too. Also wait till you are driving down the road and all of a sudden there is a loud bang from the rear and it feels like it fell out.
 
Hey guys my 90 blazer is darty with my 3" lift and soft springs. And I don't have a detroit in the back. But I have had 3 different ford trucks with detroits, 1 half ton 4x4, and 2 different 1 ton 2wd's with detroits. I think they are the best locker you can get. I could never tell anything with the 1/2 ton, there was no indication of it having a locker at all. Of course the 1/ tons had no indication either, except they didn't get stuck very easily.
I wouldn't rush to blame the detroit. JMO
 
Make sure you are running the same size tire on both the rears and make sure the pressure is the same. If the pressure is different between both rear tires that's like having two different size tires and you'll get exactly what you're feeling.
 
Make sure you are running the same size tire on both the rears and make sure the pressure is the same. If the pressure is different between both rear tires that's like having two different size tires and you'll get exactly what you're feeling.

Good catch!

Tire pressure is very important with Detroits....
 
Yep Detroit induced lane change! More noticeable on the shorter wheelbase rigs and like Scott said tire pressure is very important.
 
I'm sooo giddy over putting a Detroit in my blazer, I don't even care about it's "quirks".

I'd measure the rear tires and inflate/ deflate as needed to make sure their the same size.
 
My money is on the detroit as well. Even with the quirks there isnt another locker I'd rather have in the rear.

Sounds normal to me too. Also wait till you are driving down the road and all of a sudden there is a loud bang from the rear and it feels like it fell out.

I had a detroit in a 10 bolt that did this pretty regularly.
 
2 trucks both with detroits. Mostly seamless but if the pressures are different it will act funny like that.
 
Detroits will do that sometimes, its pretty easy to get used to.

You should try an automatic locker with a samurai, with a flexy suspension and big tires. You would get back in your blazer and not even notice it :D
 
My detroit is my favorite thing about driving my rig....
On road manners are something you get used too.

I don't even need 4WD, most of the time I'm off road.
I just use it, to lessen the stress on the rear end.

:haha:
 
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