Sliding body on the frame - Chevelle Tech
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post #1 of 15 (permalink) Old Mar 22nd, 19, 11:30 PM Thread Starter
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Chris
 
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Sliding body on the frame

I've researched this with old threads, but there's gotta be a best way to slide the body on the frame. I noticed my body is more towards the drivers side, and I'd like to center it a little more. Maybe 1/4".

I just put in new poly bushings with some grease. All bushings are lose. I tried putting 2 jacks to unload the body from the frame, but it still doesn't really want to move. I'm worried about pushing too hard as I don't want to dent the fenders.

I also know about the alignment holes.

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post #2 of 15 (permalink) Old Mar 23rd, 19, 12:00 AM
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Will
 
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Re: Sliding body on the frame

Disclaimer, I am not an expert.

My experience comes from doing it with a bare body. It sounds like you are still fully dressed. I know it was some finagaling get mine lined up. I would guess that if you put a 2x4 or maybe even a 4x4 across a couple of braces that may be you can get enough risistance off the frame to slide it around where it needs to go. Not easy to get it perfect empty, I am sure itís even tougher completely put together.
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post #3 of 15 (permalink) Old Mar 23rd, 19, 7:48 AM
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Lew
 
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Re: Sliding body on the frame

I don't think you can do this yourself - you may need a few guys to push from all body points. Kind of a 1,2,3 push. BTW - these cars alignment is far from perfect you may only be able to do so much.

Last edited by Lew540; Mar 23rd, 19 at 7:49 AM. Reason: fix
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post #4 of 15 (permalink) Old Mar 23rd, 19, 9:27 AM
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Greg
 
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Re: Sliding body on the frame

duckbill on the Porto Power between frame and rocker, done it many times.

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post #5 of 15 (permalink) Old Mar 23rd, 19, 10:22 PM
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David
 
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Re: Sliding body on the frame

Just to double check, Chris; you also changed the front bushings at the core support too, right?

If ALL the bushings are new with fresh silicone grease on poly bushings and you only need 1/4 " - I would do as Yelchevelle suggested with the 2x4 underneath if you don't have a porto power

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post #6 of 15 (permalink) Old Mar 24th, 19, 12:16 AM
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Re: Sliding body on the frame

I put a 4x4 piece of redwood (about a foot long) at the lip of the body right behind the doors on both sides with 2 separate floor jacks liftin the body up one, 1 on each side. But it wasn't "fully dressed" It was just the body from the firewall back
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post #7 of 15 (permalink) Old Mar 24th, 19, 1:38 AM Thread Starter
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Chris
 
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Re: Sliding body on the frame

Quote:
Originally Posted by RAIDER SS View Post
Just to double check, Chris; you also changed the front bushings at the core support too, right?

If ALL the bushings are new with fresh silicone grease on poly bushings and you only need 1/4 " - I would do as Yelchevelle suggested with the 2x4 underneath if you don't have a porto power
Correct, all the bushings. Also car is full weight. Hood, fenders, trunk lid, interior, etc.

Even if I had a duckbill/proto power tool I'd be worried about damaging the body.

I had jacked the body up on both sides, relieving pressure off the greased bushings. Even with some firm shoves, it didn't move. Would there be something holding it back?

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post #8 of 15 (permalink) Old Mar 24th, 19, 12:17 PM
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Re: Sliding body on the frame

Maybe try double checking to see if there are any fuel lines, brake lines, hoses, clamps etc that maybe holding you back?

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post #9 of 15 (permalink) Old Mar 24th, 19, 4:02 PM
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Re: Sliding body on the frame

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Originally Posted by -SS454- View Post
Correct, all the bushings. Also car is full weight. Hood, fenders, trunk lid, interior, etc.

I had jacked the body up on both sides, relieving pressure off the greased bushings. Even with some firm shoves, it didn't move. Would there be something holding it back?
Well, you had to lift the body (albeit one side at a time) to change the bushings, so you know there is wiggle room, and you know it is not "stuck". One other thing I thought of is the steering shaft, but that can't be holding it back. Since you are at full weight; I think it is going to take some kinda leverage to move the body. If you go under the car; there should be a few places you can pry at the same time between the body and the frame to get some action.

Do you have a lift, or are you doing this on the ground on your back? If you are on a lift; there is plenty of room under the car to swing a couple of long 2 x 4's

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post #10 of 15 (permalink) Old Mar 24th, 19, 4:26 PM Thread Starter
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Chris
 
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Re: Sliding body on the frame

I have the car sitting on lift blocks under the tires.

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post #11 of 15 (permalink) Old Mar 24th, 19, 5:48 PM
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Re: Sliding body on the frame

Try with a pair of long tapered pins-like two feet long. Poke them through two body mount bolt holes, one on each side of the car. This will take two people.
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post #12 of 15 (permalink) Old Mar 25th, 19, 9:38 AM
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Re: Sliding body on the frame

Quote:
Originally Posted by paul bell View Post
Try with a pair of long tapered pins-like two feet long. Poke them through two body mount bolt holes, one on each side of the car. This will take two people.
This idea worked for me, but I used the 2 body to frame alignment holes.
I admit, thought, that I did this method with an empty body shell. YMMV

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post #13 of 15 (permalink) Old Mar 25th, 19, 9:40 AM
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Re: Sliding body on the frame

When I did mine, all the bolts were loose, I just used a long pointed pry bar and some muscle. Don't recall it being that difficult.
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post #14 of 15 (permalink) Old Mar 25th, 19, 11:40 AM
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Re: Sliding body on the frame

Do you have any wheel dollies? I would think it would be a lot easier to just schooch the chassis with the body lifted off the frame just ever so slightly, rather than trying to schooch the body into just the right spot while also supporting it somehow.


I can't verify for sure that the following method will work, but I think I've seen a post somewhere on this board where the guy lifted his body with an engine crane, using the seat belt attachment points as his lift points. If you've got enough chain and the right size bolts, lifting the body this way would be pretty easy, and repositioning the chassis would be pretty easy with it on dollies.

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post #15 of 15 (permalink) Old Mar 25th, 19, 11:53 AM
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Re: Sliding body on the frame

I've moved the body on the frame with ratchet straps. One end on the frame one end on the floor brace, it's easy to pull the body where you need it.

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