CussCuss wrote:ok so ive been thinking about this lately, the choices seem to be
1) <87 3.5 LSD will bolt straight in, can you get us prices for these?
2) later LSD + 3.9 bits + Torque tube + Half shafts
can anyone confirm that thats all you need for putting in a later diff? the torque tube bolts onto the driveshaft the same? the cvs are the same so you can use the 4 bolt outers of the cv?
CussCuss
You are almost 100% right...
I am almost 99% sure the 87's WILL ALSO need the torque tube as the Non-LSD diffs are shorter than the LSD units, thus requiring a longer Torque tube. But you'll be able to keep your own Half Shafts and hubs. Also on the 88-89 you will NEED the Rear Hubs as well for the LSD as the difference in 4 bolt vs 6 bolt Half Shafts.
I will be picking up an 87 LSD over the weekend and ALL related componets/bits and I will make sure and confirm to see if you can use the 89 LSD with the 87 Shafts. This way you can choose wether or not to go to 5 lug wheels and bigger Half Shafts or not and still keep the bigger 88-89 LSD.
If ANYONE here can measure the Non-LSD Torque Tube I can compare it to the LSD Tubes from the LSD's here. But one thing I am 110% sure is that ALL LSD torque tubes from 85.5 to 89 models ARE the SAME here in the US. So this will mean you WILL need the US tube as well.
The price of the 87 LSD is the same as they are just as rare to find in good useable condition. Your MAIn benefit from the 88-89 model LSD's is the ability to use the larger and hevier-duty 6 bolt Half Shafts over the the 4 bolt on the 85-87 models.
Hope this has answered your questions.
Any other please post, PM or e-mail me (
oscardortega@yahoo.com )
Thanks
Oscar (The-Grouch)
By the way guys.... I currently have ONLY two 88-89 LSD's and one 87 LSD. These three are in great shape with minimal wear in them for beeing 16 years old. Just for your information.