Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#114168 01/14/08 08:46 PM
Joined: Feb 2007
Posts: 188
Bud38 Offline OP
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Feb 2007
Posts: 188
I bought my '38 coupe and it had already had the body taken off the frame and was put back on with a few bolts for transporting.
Bought a body mount(pads/cushions) kit and body to frame bolt kit from a vendor. I also bought a radiator/grill shell mount kit.
You can definatly see where the cushions were on the rear end of the frame and I know where the cowl mount cushions go, but not sure about those in between. any suggestions? shims needed?
The bolt kit has four long carriage bolts? Where are these located?
The radiator support kit provides Two large head carriage bolts, but they are too short to extend through the support and cross member. Are these bolts supposed to be visible under the car? Or are you supposed to "fish" the nut up through the hole in the cross member and attach to the ends of the bolts?
The radiator support kit has two thin rubber cushions. Is this correct? or should I use the same thickness as with the body mount?
The mount kit contains two "L" shaped cushions with three holes. Twelve single hole cushions. Two 4 1/2 inch long cushions with two holes each. And lastly, one 4 1/8 inch long cushion with two holes. All of these cushions are 1/4 thick
Any suggestion on the proper location of the bolts and cushions are appreciated.

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Body bolts as described in parts book.
#2 location 3/8" 24 6 1/4" long.
#1 and #3 location same bolt but 5 3/4" long.
#6 location 4 1/2" long. ( also used in #7 location on some models.
The best picture that I have is the attachment of the 1937 body to the frame. The 1938 was changed slightly in the cowl area.
The 1937 shows 2 bolts that appear to be side by side at the front of cowl position. May be only one here in 1938. Then there is a bolt about line with the front of the door opening. This one looks like it may go through the frame rail. Then the next bolt is about at the rear of the door opening. This goes through the frame. The next is just ahead of the axle kick-up. There appears to be two here. One through the frame and one next to it through a bracket to the outside of the frame. The next is on top of the kick-up over the axle, goes through the frame. The last is at the tail end of the frame and goes through the frame. I could send you the picture but I don't think everthing would show up well. The original body mount cushions looked more like a piece of rubber cut out of the side wall of a tire.
I don't see a core support mountng bolt listed for a 1938 but for 1939 they show a carriage bolt 6 1/2" long. They used that style of mounting the core support for 1932 and up into the '50's. There were little changes through the years. The kit the sold you may be a "fits all". The normal way is the head of the bolt is on top and the nuts fasten on the bottom of the cross menber. There is a plate under the head, a cushion under that. Then a chusion and necessary shims between the support and the frame. Another cushion and plate under the cross member, then the nuts. Should be a lock plate for the nuts.
The body mount pads only insulate between the frame and body. Not really a cushion and the body and frame were considered a unit for more strength. There were shims used as necessary for door alignment and to fill the space if the gap was wider at some mounting locations.
Note that the body bolts and locations and length may not be exact due to errors in description in the parts book....should give a general idea though.

Last edited by Chev Nut; 01/14/08 11:28 PM.

Gene Schneider
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Hall Monitor
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When we had the core support off of my 38 coupe we discovered the front cross member was full of oily crud (technical term there) that had held the moisture in place. The metal was paper thin so we ended up having to replace the cross member. There were two almost completely rusted away carrage bolts holding the core support to the cross member.


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1938 HB Business Coupe
1953 210 Sedan

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