Factory Body Shimming
I am looking for the factory picture and description of what positions to shim the body mounts to get the gaps correct. Thanks
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Re: Factory Body Shimming
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From the factory assembly manual...
Attachment 1566852 |
Re: Factory Body Shimming
thanks thats perfect!
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It's "as required", to account for build variation in the frame and body in white, as time goes on. K |
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When the top came off the body drooped slightly...I think that whenever the mounts were replaced and the bolts tightened....it put the body in a slight bind that manifested itself when the top came off.. not sure of the color though..I don't think it was white...?;) Also, OP...I assume your rocker boxes are good..? |
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What we used to do for fender shims is tape a packet together, like 3 shims, and we would run those all day whether the truck we were currently building needed it or not. Eventually the final repair supervisor would call back and say something encouraging, like "SEYMORE!! YOU IDIOT!! WTH ARE YOU THINKING?!?! ALL THESE FENDERS ARE RUNNING HIGH!! ARE YOU EVEN LOOKING AT THESE TRUCKS?!? TAKE A SHIM OUT BEFORE I COME BACK THERE AND SHOW YOU HOW TO DO THIS!!" I can just imagine the spittle flying into the phone mouthpiece. So we would start running a new shim pack, like 2 shims, until he called again with his latest observation. Basically it was to address "macro trends". You had about 45 seconds to complete the truck in front of you and move to the next one; that's not enough time to fit and re-fit each individual truck. K |
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I know that fit and finish on trucks, back then, wasn't as much of a priority as it is now days...'cause after all, it was "truck"....not a mall crawler... Good info K...! |
Re: Factory Body Shimming
Great forum. Got all the body mounts replaced today.
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Had to tip Old Blue up so I could wash out all the grinding dust from grinding the welded heads off. So much quieter over the bumps now!
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Nice.....how much did you shim...?
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Put back in the 2 factory shims at #1 spot both sides then added 1 at #1 passenger side and 1 at #2 passenger side.
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I worked at GM dealership body shops from 1974 to 1982. We did a lot of realignment if someone complained about gaps or panel alignment. The pickup doors were the hardest to get to fit the openings right. Fenders and hoods had lots of adjustment.
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There was a repair station at the end of my area. There was also a short moving repair line (two, actually) at the end of final line. If they could fix them there while on the move then they would; otherwise it would be out to a stationary repair stall in "heavy repair" for the really bad ones. I should add that some of the repairs did not consist of removing the bolt or adding/deleting shims. Often the repair consisted of bending, twisting or hammering while the line was moving. K |
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Didn't know if I could jump on this one for some advice. I planning on some winter work on mine, but I'm impatient and started pulling some stuff off. What I was wondering if I should work on the gaps before I take it apart or just mess with the gaps after new rockers and floor pan,cab supports. Thanks Bill
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Thanks for the help. Disassembly will continue.
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I disagree if it doesn't line up before replacing parts it may be worse after. I would get it all aligned up and fitting as you want it and keep checking as you weld in the new panels. You need to fit the rockers to the door with the doors fitting the body.
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The gaps aren't that great now which is why I was questioning it. What do you think about putting the factory shim count back in,right now the passenger side has 4 in the #2 spot and 2 in the #1 spot. The driver side has 1in the #1 spot and 2 in the #2 spot. I guess that would probably be a good place to start.
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If it is that bad you bolt the doors on prop the body till they fit and weld bars inside to hold it in place then start replacing metal. To just start welding parts on without having the panels where they belong is asking for trouble.
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Yes the top is still on . The metal there isn't horrible could have driven it the way it is. Rocker boxes in tact, some 1" holes in the rocker.
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