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Old 02-04-2024, 10:33 AM   #1
jdime20
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Bed/cab/bumper issues

67 short fleetside, wood floor. Cab forward is original sheet metal, i have a new bed from Woodall. Very happy with the besides, all seems to be great quality and is the only aftermarket anything I've found that actually fits correct. My issue is when I put it together and get it on the truck it's exactly 3/4" high using the body line as a guage. I used a laser to broadcast a perfect line and everything is straight, just the bed body line is 3/4" higher. I have new poly cab mounts, assumed being aftermarket they're not correct, so I made a 3/4" spacer for all 4 cab mounts and the core support. Problem solved I thought. Now with the laser line the body line is perfect from front of fender to across the doors to back of the bed. All metal fits perfect. The problem now is the front bumper. It sits to low, top is just below the grill instead going over like it's supposed to. I've essentially put a body lift on the truck and now the bumper won't fit. So maybe the poly cab mounts were right?? That doesn't explain the bed being to high. I've read many posts about this problem. The only thing not original to the truck is the bedsides. I believe it has the correct crossmembers, they are the shorter ones, 2 3/8" tall. A few are even the originals so I dont think thats the issue. The frame perches are original, have not been altered or changed. I've had the truck over 20 years, the original bed did not have this problem. I dont see any way to get the bed lower. The spacers under the cab and core support seem to be the only option to get it all lined up but I dont know what to do about the bumper. I can't just raise it up bc the lower curve of the bumper pushes the whole thing forward when I bring it up causing a huge gap between it and the grill. I'm not against a roll pan, but the frame horns won't clear. Frame is already powdercoated so modifying the frame is not an option. Any ideas???
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Old 02-04-2024, 10:48 AM   #2
1970cstblazer
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Lightbulb Re: Bed/cab/bumper issues

If you still have the original besides, I would verify the body line is exactly the same dimension as the aftermarket part, also the inner bed structure is exactly the same dimension. My Woodall Blazer bedside was good to very good, but a couple of dimensions were slightly off. Sure beats the rusted, dented alternative!
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Old 02-04-2024, 11:07 AM   #3
70STOVEBOLT
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Re: Bed/cab/bumper issues

Are there different bedsides for wood and steel floors? I have Woodall SWB bedsides and steel floor with replacement rubber cab mounts and my body lines are almost perfect.
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Old 02-04-2024, 11:55 AM   #4
jdime20
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Re: Bed/cab/bumper issues

I don't have the originals anymore, they were in pretty bad shape through the wheel arches. As far as I know the bedsides are the same. I know the crossmembers are different for wood and steel floors, I'm pretty sure I have the right ones. They're the shorter ones, and those along with the bedsides fit with the factory rear crossmember and a few of the factory crossmembers. And it all fit great with the wood and wheel tubs mocked up. So I believe everything with the bed is correct. It is worth noting the wood is 3/4" thick, which is the exact amount I'm off with the body line. But I dont see any way of having the wood in wrong.
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Old 02-27-2024, 03:25 PM   #5
70STOVEBOLT
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Re: Bed/cab/bumper issues

Please post what you found to be the solution to this issue.
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70 C/10 SWB 402/TH400/3.73 "The Needy Beast"
200,000 Mile Club
Disc Brake Club

Owner installed options:
Front Sway Bar
Power Steering
Power Brakes
Cigar Lighter
Courtesy Lights
Deluxe Side Markers
Wiper Delay
Power windows
Power Locks

Coming soon: EFI

2015 Silverado 1500 LS 4.3/6L80/3.23
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