Converting open rear to limited slip

[eagleguy]

Is changing the open 3.42 rear on a T-Type to a posi or limited slip the same as changing the peg leg rear on say a 71 A Body Buick. Is there any real benefit for one other than for racing?

 

[jeff huffman]

Is changing the open 3.42 rear on a T-Type to a posi or limited slip the same as changing the peg leg rear on say a 71 A Body Buick. Is there any real benefit for one other than for racing?

Limited slip or positrac both Wheels pull on a open carrier only the right wheel pulls.

 

[B guz]

If you can find a posi center section from the same size GM rear, you can convert your open rear to a posi/limited slip.

If you find a center section in the junk yard, be sure to take all the shims in case you need them.

 

[1986 Buick GX1]

Open diff will not fish tail in slippery conditions like a posi, but you may not have enough traction to get where you want to go (1 wheel vs 2 wheels). And yes, better traction for racing as well.

 

[Instro84]

i used one from a second gen firebird on mine. been in since 99 still going.

 

[~JM~]

http://www.summitracing.com/parts/aub-542018/overview/year/1987/make/buick/model/regal

 

[B guz]

GM used this style rear for many years it might work out of everything GM made in the RWD platform, no luck on mine I lifted it a day ago to see if I might be lucky enough but the person who ordered my car didn't care much for frills I suppose I'm lucky that it has AC and an FM radio.

I hate crank up windows but I have them now.