Wheels NOT Centered after drop
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Just finished up a 3/5 drop (springs) on the 64. Used POL parts. After doing the drop it pushed the rear wheels to the back half of the wheel wells. Has anyone else had this problem? If so what’s the solution - shorter drive shaft, moving suspension forward? I know they make new control arms up front to center the wheels as this was a factory thing but the rear is pretty drastic after the drop. Truck rides fine just don’t look right.
I’ll try post some more pics on my IG - angelobackwards |
Re: Wheels NOT Centered after drop
Several thoughts cross the mind!
Was the wheel originally centered in the wheel well opening? Was anything else changed during the spring change? Have you thought about putting the original springs back in to check it out and make sure it was all centered before the change? You would think that lowering the vehicle with a spring change should not move the axle backwards. The arc that the wheel and axle travel in should not be that great. |
Re: Wheels NOT Centered after drop
It would move the axle backwards if the trailing arms were angled down from the frame. As the arms become more horizontal, the axle moves back.
With leaf springs, because the front spring eye is lower than the rear, flip kits move the axle forward. On shortbox stepside beds, the rear wheel always appears a bit too far back. On the long beds, it always appears a bit too far forward (I think the fender placements are off). |
Re: Wheels NOT Centered after drop
I lowered my 61 5 inches in the rear and while i dont think the rear ends were ever centered perfectly in the wheel well, yours does look farther back than normal.
https://scontent-iad3-1.xx.fbcdn.net...a9&oe=5CBA01A5 |
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1 you can cut the trailing arms and shorten then and the drive shaft.....NOT SUGGESTED unless once you weld them back together then box them for strength. The second option is to move the cross member that the trailing arms bolt to...You will have to take all the rivets out.....get the rear end centered, drill holes and bolt to the frame.... there is one other option...QA1 Makes a rear suspension that is adjustable for our trucks and has threaded joints to be able to perfectly center the rear wheels...but its EXPENSIVE |
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Put a jack under the rear bumper and raise the truck up some and see how far it moves forward. A 5" drop does not really move the rear back a lot. The shape of the rear fenders has a lot to do with the appearance of moving back as the tire gets closer to the sloping rear of the fender it just looks further back. If it was a straighter shape like the front you really would not notice it.
Jimmy |
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I'd measure wheel base center to center and see how close it is to the 115" stock wheelbase. I can't tell from the pictures but I would think the bed is slid a bit to far forward, there is a sizable gap between the two on stepsides. The architecture of the fleet side hides that gap and makes it appear tighter. |
Re: Wheels NOT Centered after drop
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So after looking through some photos it looks like the wheels may have been set back a little before we even dropped it. Let me know what you guys think? Also talked to POL about it. They said the spring may have been put in upside down I guess. Matched them to the originals in terms of what looked like the top of the spring and bottom. Anyways here a before what do you guys think. Hope I’m not having to move the x member forward but if that’s it then so be it.
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Re: Wheels NOT Centered after drop
The only way to move the rear wheels forward is to either move the trailing arm crossmember forward, or shorten the trailing arms. Both are quite a bit of work. The springs and driveshaft have absolutely nothing to do with it. Although once the wheels and differential are moved forward the driveshaft will need to be shortened.
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Also here are a few pics of the springs installed. Let me know if you think they’re upside down or backwards or whatever they said the issue may be.
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Right side up or upside down or sideways will not change anything as the captain said only thing that changes the position of the wheels is the trailing arms or the crossmember
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You could potentially move the fenders.
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If it was me I would take a couple inches out of my trailing arms and of course the driveshaft to match but then you’re going to run into another issue your nachos are in the wrong place
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was this truck born a longbox? i saw a guy at a show once who's wheels were like that, and they just miscalculated the short box conversion length.
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I purchased all new stock stock suspension from POL for my 66 stepside and my first question to them was which way the rear coil springs went in and they replied it was “just a matter of preference”. Funny they would say it may have something to do with the springs?..... I matched mine like the originals came out, but didn’t lower the truck like you. They are centered on the retainer plates, so how could that cause them to move? That was another question and concern that a friend asked me when I was going to do a 3/5 drop originally. I wouldn’t have even thought about it if my buddy hadn’t brought it up. I did look at moving the x member to see what was involved and think that’s your simplest way out. I replaced all the coils, shocks, steering components, ball joints, and a new driver side lower control arm without anything moving. I did have to purchase POL adjustable panhard bar as mine was bent enough to to prevent the centering of the rear end between my fenders. Looking at mine it isn’t centered and favors the rear by at least 1” Nice looking truck...I wish my underneath was clean like yours. |
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Is the rear end centered in the c-notch opening? It should be. Based on the mechanical links: *Truck arm length & mounting points *Springs mounting points (between frame & T/A) *Shock mounting points (between x-member & lower T/A bracket) Things have to align to be able to fasten. The axle swinging closer toward the frame is going to shift it slightly but not by much or those mechanical attachment points wouldn't allow moving forward w/o a serious fight. I would work on shifting the bed assembly as needed for your visual satisfaction & be done. |
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