67-72 or 73-87 suburban rear bumper on c1500

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kennythewelder

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Center console looks great. Can you post a picture of your 67-72 gmt400 bumper swap?
I don't have any. I haven't do that swap. I do know this though, the bolts will not line up. You will have to make some custom brackets to make that swap work. If you pull off the OE bumper, with the brackets on it, that bolt into the frame, then get the bumper you want, with a set of brackets on it, the slides into that frame, then you can see what needs to be done. I would think that you will have to kind of blend the two brackets together so it fits the GMT 400 truck (1988 - 1998 body style GM trucks) and weld in the section that fits the square body style truck, or in this case, the burb, bumpers. As for the posting a pic of one. I don't have a pic of one. Way back when, like in the 1970s, the dealers would have a stock of bumpers that they would install on a new truck. On the left side of the bumper, it had the dealers name in graves into the metal, and in the rite side, it had the town that the dealer was in. That style of bumper, is what I remember seeing on the very early GMT 400s. Maybe a 1988 thing only, IDK. Point is, that bracket may work to swap an earlier style bumper into you truck.
 

kennythewelder

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Yeah, I remember those bumpers. Got you. See where the bolts are on the bumper? Rounded head. That's what I'm talking about. You need those brackets so you can swap the part that fits your frame. You may even get lucky, and be able to slide the old school bumper brackets into your frame, and just drill new holes, IDK.
 

kennythewelder

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Ok, I found a pic. This is the style bumper I'm talking about. These bumpers for the GM trucks, had the same rounded head bolts holding them onto the the brackets. Basically, they both use the same mounting brackets, in the square body and the c-10 trucks.
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HotWheelsBurban

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Ok, I found a pic. This is the style bumper I'm talking about. These bumpers for the GM trucks, had the same rounded head bolts holding them onto the the brackets. Basically, they both use the same mounting brackets, in the square body and the c-10 trucks.
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Yup I remember those! Our '78 Sierra didn't have a bumper on the rear, just a license plate bracket and light bolted to the left frame horn. We put a body color bumper on it, after the truck got badly wrecked and rebuilt when we had only had it a year.
Our '81 Sierra had one of these like in the picture. Thankfully not advertising the stealership (Frank Gillman). That truck got the left side of the bed scraped up, unloading it from the hauler. We had been on the lot, seen this truck that was optioned as we wanted, and they promised to repaint the fender. They did...in the wrong shade of brown! The dark metallic brown was very different for '80 and '81. Think root beer vs. dark chocolate.... And they refused to redo it. If we hadn't really needed the truck, I think we'd have walked out then. But we'd been all over greater Houston looking at trucks, and this was the only one on the lot anywhere close to what we wanted. So I think if the bumper had said Gillman on it Dad woulda repainted it!
One of the "advert" bumpers that used to crack me up was one for a dealership in Tomball (which used to be a country burg NW of Houston). These were somewhat common because they sold a lot of pickups with the cheaper rural prices. Name of the dealership was Ford's Chevy Service....
 

Leeztruk

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Gonna throw this into the mix, but could be more work and expense than you'd want. I had one of those (F)ugly step bumpers on my squarebody and put on a squarebody van rear bumper. Had to fabricate mounting brackets, welded all of the bolt holes closed, then powdercoated it. In your case, you'd probably want it chromed, I'm assuming. Anyways, just another idea to consider
 

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