Procomp lift question
FTE Remembers
Joined: Apr 2011
Posts: 8,259
Likes: 346
From: Northern California
The whole point of using the PMF top plate is you retain the factory bump-stop.
there are many other ways to go about modifying or changing the bump stop to work but most people do not want or have the ability to cycle the suspension and do the fabrication required. The pmf top plate is just an easy solution made even better since adding it can be also be used if air bags are added.
there are many other ways to go about modifying or changing the bump stop to work but most people do not want or have the ability to cycle the suspension and do the fabrication required. The pmf top plate is just an easy solution made even better since adding it can be also be used if air bags are added.
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New User
Joined: Jul 2014
Posts: 15
Likes: 1
So I finished and everything is good except the front is sitting 1" higher than the rear...any ideas? 27" center of wheel to arch in the back, 28" center of the wheel to the arch in the front. 2005 V10 4WD.
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FTE Remembers
Joined: Apr 2011
Posts: 8,259
Likes: 346
From: Northern California
put some miles on them and they should settle down at least 1/2” if not 3/4
28” is proud, possible your shackles are over tightened keeping the spring from completely settling ?
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FTE Remembers
Joined: Apr 2011
Posts: 8,259
Likes: 346
From: Northern California
Y.A.W.
post up measurements at all 4 corners.
i am curious to know
Junior User
Joined: May 2021
Posts: 76
Likes: 16
From: south arkansas, also sw l
I just finished mine also. I didn't go with the top plates, or axle shims as of right now (I messed the first set up by drilling the center hole out, I didn't realize they were bolt on)
No driveline vibrations so far, I've put 150 miles on them.
No driveline vibrations so far, I've put 150 miles on them.
Mountain Pass
Joined: Sep 2012
Posts: 110
Likes: 8
From: Rochester, NY
I just did this lift on mine. I transferred the anti wrap leaf in the rear to the procomp springs and removed the block. The anti wrap bumpers don’t ride on the springs. Haven’t decided if I should try to extend them or not.
I skipped the pmf tang plates as it didn’t look too likely they’d hit the bump stops. I did 2 degree shims front and rear with the fat side facing the rear of the truck in both instances. I wish I’d gone 3 degree up front. My caster ended up at 5.24 and 5.48. It’s much better and not worth redoing the job for the extra degree.
Mine appears to be level. The only thing I’d suggest, is with the tires on the ground, loosen all the leaf spring bolts and then retorque them.
I skipped the pmf tang plates as it didn’t look too likely they’d hit the bump stops. I did 2 degree shims front and rear with the fat side facing the rear of the truck in both instances. I wish I’d gone 3 degree up front. My caster ended up at 5.24 and 5.48. It’s much better and not worth redoing the job for the extra degree.
Mine appears to be level. The only thing I’d suggest, is with the tires on the ground, loosen all the leaf spring bolts and then retorque them.