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Old 01-28-2020, 10:45 PM   #1
focusedontheprize
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Rear bumper bracket holes

I am currently fixing the rear frame rails on my ‘88 V30. I noticed that I have two sets of rear bumper bracket holes (1 1/4” apart) for my sport bumper. Could anyone recommend which set I should be using? I trimmed the rear frame rail, but can add material back if I should be using the front set. Thanks.
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Old 01-29-2020, 09:46 PM   #2
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Re: Rear bumper bracket holes

Anyone able to help with this?
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Old 01-29-2020, 10:19 PM   #3
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Re: Rear bumper bracket holes

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Originally Posted by focusedontheprize View Post
Anyone able to help with this?
In this video I remember the fabricator talking about two sets of holes and which ones to use according to year......good info that might can help you......

https://www.youtube.com/watch?v=AvfLJ0m0GE8
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Old 01-30-2020, 11:33 PM   #4
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Re: Rear bumper bracket holes

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Originally Posted by RUN GMC View Post
In this video I remember the fabricator talking about two sets of holes and which ones to use according to year......good info that might can help you......

https://www.youtube.com/watch?v=AvfLJ0m0GE8
Thank you for this. I will have to check the channel and video out.
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Old 02-09-2020, 07:16 PM   #5
focusedontheprize
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Re: Rear bumper bracket holes

Quote:
Originally Posted by RUN GMC View Post
In this video I remember the fabricator talking about two sets of holes and which ones to use according to year......good info that might can help you......

https://www.youtube.com/watch?v=AvfLJ0m0GE8
Thanks again for sending this link. Unfortunately in this video they cut out the forward bolt holes that are used for the tow hitch (which I am using).

Can anyone provide a measurement from the rear edge of the frame rail to their bolt holes?
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Old 02-16-2020, 02:11 PM   #6
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Re: Rear bumper bracket holes

I got some pics for you from my dually. I added some text to help w/the numbers. 1, 2, & 3 are the bolts that retain the inner & outer brackets on mine.

#3 is approx. 5" from the edge of the frame rail & only goes through the last hole on the inner/longer bracket.
#2 is approx. 1.5" from the edge of the frame rail.
#1 & #2 go through both inner & outer brackets.
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Old 02-20-2020, 09:43 AM   #7
focusedontheprize
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Re: Rear bumper bracket holes

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Originally Posted by SCOTI View Post
I got some pics for you from my dually. I added some text to help w/the numbers. 1, 2, & 3 are the bolts that retain the inner & outer brackets on mine.

#3 is approx. 5" from the edge of the frame rail & only goes through the last hole on the inner/longer bracket.
#2 is approx. 1.5" from the edge of the frame rail.
#1 & #2 go through both inner & outer brackets.
Thank you very much SCOTI! Neither of the set of holes reflect those dimensions, so I am going to plug weld them and probably have to start fresh. I appreciate the information.
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