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02-25-2018, 03:27 PM | #1 |
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Join Date: Feb 2010
Location: Lebanon, Ohio
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Correct Front Bumper Brackets?
I have a '55 3100 2nd series that I bought pretty much disassembled. I'm doing the final fit on my front sheet metal. Even though nothing could possibly be wrong, I decided to check the fit of the front bumper. Right.
Anyway, the center-to-center distance of the square holes in my bumper is 35-3/4"; The center-to-center distance of the slots in the brackets is 36-3/4". The bumper can't be mounted, even after heating and beating the bracket in the picture to the tune of about 1/4". I checked the frame width (34-1/8") against the shop manual (34"), and that's not the problem. So, my question is, which is wrong for my truck, the bumper or the brackets -- or both? ...or something else?
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
02-25-2018, 07:56 PM | #2 |
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Location: Olympia, WA
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Re: Correct Front Bumper Brackets?
Some one boxed your frame and welded nuts on the inside of your frame, the nuts need to be removed and your bumper brackets need to go on the inside of your frame rails, not the outside.
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02-25-2018, 08:08 PM | #3 |
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Re: Correct Front Bumper Brackets?
I'm laughing hysterically! One more ridiculously stupid revelation on this build and there's going to be a fire sale!
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
02-25-2018, 08:33 PM | #4 |
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Re: Correct Front Bumper Brackets?
Snagged from the net and as the truck looks slightly familiar it might belong to someone on here. Frame is boxed and the nuts are welded on but comparing the two I think your brackets just need adjusting.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
02-25-2018, 08:39 PM | #5 |
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Re: Correct Front Bumper Brackets?
It looks like your truck has an independent front end under it and who ever did it thought that removing the forged/cast bracket that the spring shackle bushing and the holes that the bumper bracket bolts normally go though in a misguided attempt at "cleaning it up". Then they boxed it for some unknown reason but probably again to "clean it up" rather than strength.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
02-25-2018, 08:48 PM | #6 |
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Re: Correct Front Bumper Brackets?
In the interest of full disclosure:
I was the one that boxed the frame. I looked at my "day 2" pictures, and I did it to myself, about 5 years ago. It's no excuse that the bumper wasn't mounted when I bought the truck. My clue was, when I looked at the welds a few minutes ago, they're only on the front of the nut. If they would have been welded on before boxing they would almost certainly been welded on two sides. At least they'll be easy to cut off. Thanks much to idbeast. Now you can all laugh hysterically.
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
02-25-2018, 09:01 PM | #7 | |
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Re: Correct Front Bumper Brackets?
Quote:
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02-25-2018, 09:06 PM | #8 |
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Join Date: Nov 2010
Location: calgary alberta
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Re: Correct Front Bumper Brackets?
my original 57 bumper brackets bolted to the outside of the frame. since my frame is now an donor from another vehicle I have had to work some magic to make the bumper fit again. in doing that I noticed the brackets could be flipped and used on the opposite side but backwards, to keep the bumper right side up. maybe that is what happened? right on left side?
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02-25-2018, 09:12 PM | #9 |
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Re: Correct Front Bumper Brackets?
sorry, this last post of mine went through late for some reason. ya, inside of frame.....sorry didn't catch that one. good job boys.
grinder and a zip disc (small one) or torch them off carefully (the nuts).maybe trim off that peice of frame boxing for access. |
02-25-2018, 09:17 PM | #10 |
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Re: Correct Front Bumper Brackets?
I'm a zip disk guy. Looks like I got off unscathed...
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
02-25-2018, 09:23 PM | #11 | |
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Re: Correct Front Bumper Brackets?
Quote:
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
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02-25-2018, 09:57 PM | #12 |
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Re: Correct Front Bumper Brackets?
id just make some new brackets to fit the bumper and call it good........
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
02-26-2018, 12:04 AM | #13 | |
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Re: Correct Front Bumper Brackets?
Quote:
Thanks again to everyone!
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
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03-01-2018, 11:08 PM | #14 |
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Join Date: Nov 2010
Location: calgary alberta
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Re: Correct Front Bumper Brackets?
check out post 41 on this build. it shows the original brackets still on the frame. maybe help you some when you get back to the shop.
good luck with the surgery and recovery, hope it went well. http://67-72chevytrucks.com/vboard/s...=671001&page=2 |
03-02-2018, 12:05 AM | #15 | |
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Re: Correct Front Bumper Brackets?
Quote:
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
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03-02-2018, 12:44 AM | #16 |
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Re: Correct Front Bumper Brackets?
Well if you don't make a mistake once in a while you aren't doing anything.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
03-02-2018, 12:49 AM | #17 |
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Join Date: Oct 2016
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Re: Correct Front Bumper Brackets?
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03-02-2018, 01:59 AM | #18 |
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Re: Correct Front Bumper Brackets?
"*I actually took the 10 minutes to cut my nuts off*"....hahaha
I had to go back an re-read what kind of surgery you were having!!!!.... hope you have a speedy recovery...glad you got the problem solved. ....with the truck that is...
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
03-02-2018, 02:54 AM | #19 |
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Re: Correct Front Bumper Brackets?
What? Are you guys makin' fun of me? What's so funny? (I obviously thought it was pretty funny too, in spite of how lousy I'm feeling right now...)
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
03-02-2018, 02:57 AM | #20 |
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Re: Correct Front Bumper Brackets?
So true!
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
03-02-2018, 08:35 PM | #21 |
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Re: Correct Front Bumper Brackets?
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03-02-2018, 09:04 PM | #22 |
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Re: Correct Front Bumper Brackets?
Thanks, ID. It's pretty rough right now, but a little better every day. I'm off the HD pain killers already and on the Tylenol.
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Bob "It won't take long and it won't cost much." '55 3100 (383/700R4)--'55 Belair Sedan (350/4-speed)--'64 'Vette Conv. (327/4-speed)--'68 GTO Conv. (462/4-speed)--'69 Cutlass Conv. (350/TH350)--'06 'Vette Conv. (LS2/6-speed) Bob's Retirement Build - My 55 TF Bob's 700R4 Build (how-to) |
03-03-2018, 06:03 PM | #23 |
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Re: Correct Front Bumper Brackets?
That is the reason I know what I do, I have already made most of the mistakes at least once and some more than once when I forgot that I did it the first time.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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