i am thinking about putting a limited slip in the front of my truck. what type of axle is up font on these pick ups? did a limited slip come from the factory up front on any models so i could find one in the junk yard? anyone got a "line" on a used one? what is a good cheap brand to buy new?

 

Well you didn't say what kind model your truck was but...

1500s have dana 44s up front
2500 and 3500s have dana 60s up front

No none of them came with a limited slip up front from the factory. However there are a decent amount of selectable lockers for both model of axels, and that may really be your best bet in the front axel.

 

Locker all they way! I can't wait to get mine so that it can push me around and I can push it back!

 

If you are running through mud or flat out over rough pavement you may be better off with a limited slip. This allows you more directional control at the expense of ultimate traction. I would not buy a used one or one out of a salvage yard. Since most LSDs work off a friction concept I wouldn't want to start with a used one that may be used up!
I would pay the big bucks for a selectable locker that converts to a limited slip when disengaged. If you are trying to get extra traction for mud or deep water I'd run a locked rear and open front.

You can certainly use a front locker but it has its pros and cons. The first thing you need to determine is why you need the extra front grip. The reason is because your front tires have to turn and a locked front differential doesn't always want to do that. Locked diffs are always engaged even if your axles aren't, so you should expect accelerated wear on other front end drivetrain parts. A front locker is a point and shoot kind of ride and great for low speed work like rock crawling, but you either shift your T-case a lot, or accept potential carnage in other areas when you have to make sharper turns into 3 point or more affairs.

 

here is my plan. i want to put a higher gear ratio limited slip the rear of my truck. therefor i would have to change the front, so i thought i would put a limited slip up there to, but i don't want to invest a lot of money in it. i was thinking about a junkyard 3.90, or 4.10 limited slip, and a new $250 front diff. what do you think about this. maybe i should go with a new rear diff, and a new open front diff? what are your definitions. also the reason i want 3.90's / 4.10's is because i want more bottom end power. i run 33.

 

33's = 4.10's!

 

can anyone else offer advise on buying uses 4.10's?

what other vehicles used danna 44's, so i can look for 4.10's in them

 

F-150s (at least use to) use dana 44s up front.

Certain model jeeps used dana 44s for front, or rear ends.

 

thanks for the info. did rams, f-150, or jeeps ever use 4.10's? i really don't have the $$$ to buy new, but if i did go that route, where is the cheapest place to get these things.

 

I know Chevy's ran a D44 up front but the Diff housing is located on the opposite side a dodge is.

I won't suggest buying used 4.10's because you don't know what kind of abuse they took.