Quote:
Originally Posted by kieth
I Never could find these but supposedly there are some mid 80's front brake rotors that have 6 lugs.......find a napa store with a old timer at the parts counter, maybe they can find them.......the 5 lug hubs and rotors you have are only $17.00 each new at Autozone....or O'reileys......Kieth
ps I never could find them-------------some where on this forum another guy did find them..... 
You do realize you will not be able to use stock 6 lug wheels with the disc brakes. The least expensive option is to have your rear axles drilled for 5 lug brake drums (and the center hub turned down) I had them done for 100.00 and I provided the studs and brake drums.
you can see the modifications here, just click on the thumbnails to see the progression of changes. Kieth
http://kieth.smugmug.com/Trucks/66-GMC/i-8bbRfcq |
I know of no oem direct fit 6-lug rotor for the 71-87 spindle or any of the conversion spindles.
The closest thing is a swap I don't really care for.
Uses 88-98 light duty 2500 spindles and rotors.
This swap requires you to switch to 88-98 balljoints, outer tie rods and a 63-87 3/4-ton lower a-arm to allow you to use the larger 88-98 lower ball joint.