85 Truck Clearance for the rear driveshaft
10-22-2014, 04:49 AM
#1
Registered User
Thread Starter
iTrader: (1)
Join Date: Dec 2009
Posts: 60
Likes: 0
Received 0 Likes
on
0 Posts
85 Truck Clearance for the rear driveshaft
I know you can run a high pinion for the front diff. How can you gain some driveshaft clearance for the rear diff and driveshaft and diff?
10-28-2014, 07:20 PM
#7
the 4runner i got had a rotated rear end, and something kept vibrating on deceleration.
i ended up having to get a cv joint put in the front of the rear driveshaft, similar to how the front driveshaft is set up.
search the archives for info.
i ended up having to get a cv joint put in the front of the rear driveshaft, similar to how the front driveshaft is set up.
search the archives for info.
Trending Topics
10-28-2014, 07:29 PM
#8
I had to switch to a CV rear shaft, clearance the "horse collar," and rotate pinion angle. Short wheelbase and dual cases. Used a piece of 10" pipe to arch where I clearanced the horse collar. Looks really good till you see my booger welds 
Would be helpful if you gave specs and what the clearance problem is.
Would be helpful if you gave specs and what the clearance problem is.
10-28-2014, 07:34 PM
#9
Registered User
Join Date: Jul 2009
Location: Rocky Mtn. House AB, Canada
Posts: 727
Likes: 0
Received 1 Like
on
1 Post
in order to "test run" the pinion angle, you can also buy angled shims to put between the leaf spring and the spring perch. I wouldn't use it is a permanent fix but its a good way to double check that you have chosen the right angle before you do all the work cutting and welding.
10-30-2014, 03:55 PM
#11
I used string and an angle finder to figure out pinion angle. Then subtracted 2* to allow for spring wrap. Used angle finders to cut and weld on new spring perches.
To do it again I'd tack on spring perches then recheck angle of pinion with weight of truck on it.
The angle I had to rotate the rear pinion was more than was recommended with shims for a road driven vehicle. 70mph is about my top speed much over and I notice drive line vibrations depending on what's loaded in truck.
I also made re-enforcement plates to go in front and rear of spring perches as I'd seen post of were the commonly sold style will collapse.
Think 4crawler had a good link to a site that explained the different types of drive lines. Searched for you but couldn't locate.
To do it again I'd tack on spring perches then recheck angle of pinion with weight of truck on it.
The angle I had to rotate the rear pinion was more than was recommended with shims for a road driven vehicle. 70mph is about my top speed much over and I notice drive line vibrations depending on what's loaded in truck.
I also made re-enforcement plates to go in front and rear of spring perches as I'd seen post of were the commonly sold style will collapse.
Think 4crawler had a good link to a site that explained the different types of drive lines. Searched for you but couldn't locate.
Thread
Thread Starter
Forum
Replies
Last Post
slacker
Vendors Build-Ups (Build-Up Section)
13
09-06-2015 06:14 AM
cchinny
General Electrical & Lighting Related Topics
6
06-25-2015 08:11 PM
TheManOutside
95.5-2004 Tacomas & 96-2002 4Runners
0
06-18-2015 03:32 PM
