NON-turbo LSD's
08-19-2008, 11:29 PM
#21
Senior Member
Join Date: Jan 2003
Location: El Paso, TX
Posts: 485
It's a lot easier to find a 4.3 rear end and just put in a new diff than to build one from scratch, especially if you don't know what your doing. It's a precision deal, setting back lash and adjusting the crush bushing. This guy here has a good write up with some advice on parts. rear diff write up I would stay away from cheap ebay parts. Mazda trix has good quality ring and pingions too. But the 4.1 rear end isn't that bad with a good LSD in it too. Good luck
08-20-2008, 07:50 PM
#22
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Thread Starter
Join Date: Feb 2005
Location: Kissimmee FL.
Posts: 1,579
well, i got lucky and found a TII rear, axles, and driveshaft for 200!
i also got my TII tranny for 100 to my door.
so 300 for all that is not a bad deal. i'll wait on the solid rear until this becomes to weak. wich will be a little while.
i also got my TII tranny for 100 to my door.
so 300 for all that is not a bad deal. i'll wait on the solid rear until this becomes to weak. wich will be a little while.
08-21-2008, 10:54 AM
#23
Senior Member
Join Date: May 2002
Location: California
Posts: 22,465
Originally Posted by donhayes' post='906663' date='Aug 19 2008, 09:29 PM
It's a lot easier to find a 4.3 rear end and just put in a new diff than to build one from scratch, especially if you don't know what your doing. It's a precision deal, setting back lash and adjusting the crush bushing. This guy here has a good write up with some advice on parts. rear diff write up I would stay away from cheap ebay parts. Mazda trix has good quality ring and pingions too. But the 4.1 rear end isn't that bad with a good LSD in it too. Good luck
a friend of mine built his rear end, and it went just fine. he was the shop foreman at the dealership at the time, so he had the tools
ebay parts are a no
08-25-2008, 11:51 AM
#24
Senior Member
Join Date: Oct 2003
Location: Canada
Posts: 3,502
Originally Posted by defprun' post='906066' date='Aug 7 2008, 09:45 PM
I still find it blasphemous to have 4-link in the back of a 2nd gen...why not swap the tii drivetrain of your 91 coupe into your 1st gen?
Blasphemy is drag racing an FC with all independent suspension
08-25-2008, 03:27 PM
#26
Senior Member
Join Date: Aug 2004
Location: oregon
Posts: 177
I bought a 94+ miata lsd off ebay (they are hard to find cheap, at least for me it was), then I took my rear end apart and took it all to pineapple racing and had them install the lsd in the casing, I didn't have the tool to do the backlash and I just wanted to make sure it was done right. They charged me $100 to swap the diff. I'm happy with it though. I think I paid somewhere around 400-500 all together to have mine, plus my labor.
08-25-2008, 11:27 PM
#27
Junior Member
Join Date: Nov 2006
Posts: 19
I would NEVER cheap out on a gear type LSD. They are weak by design because of all those little gears and the only way they can be strong and last is by using top quality materials and manufacturing techniques with top notch quality control These are exactly the things that knock off products cheap out on, so while it's cheaper, it probably won't be nearly as strong or last nearly as long. Miata Torsens can be found for not much more, so really there's no reason not to go that way, to me $100 extra is worth it when you get a quality product. Even if you get a free replacement, the cost to get the car towed and the diff swapped will far exceed the price difference between it and a Miata Torsen.
TII guys can use Torsens from the FD.
TII guys can use Torsens from the FD.
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