 Best way to fit the mounting brackets to fiberglass bumpers? |
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| john77 |
 Jan 20 2021, 03:54 PM
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Senior Member  Group: Members Posts: 621 Joined: 21-February 14 From: Los Angeles Member No.: 17,027 Region Association: Southern California 
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(IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-17027-1611179651.1.jpg)
(IMG:http://www.914world.com/bbs2/uploads_offsite/live.staticflickr.com-17027-1611179652.2.jpg) Finally got the front flares welded on, metal finished, and covered with a couple of coats of epoxy primer. Before I move on to welding up the rears I want to fit the fiberglass front bumper. What's the best way to fit the brackets to the bumper... 1. Mount the brackets to the car, and then epoxy the bumper to the brackets and just hold in place with tape until the epoxy sets? 2. Test mount the bumper, mark where the brackets should be, and then attach them to the bumper off the car? (Not sure if there's even clearance behind to do this.) 3. Some obvious way I'm too stupid to think of? I'm assuming two-part epoxy is the best way to attach the brackets to the bumper... although, after losing other car parts on I-405 I figure I should double check. |
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| wysri9 |
Jan 21 2021, 06:31 AM
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Member Group: Members Posts: 199 Joined: 23-August 13 From: Aberdeen, Scotland Member No.: 16,291 Region Association: England
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Here are pics of the brackets I made up. By tightening the adjustment bolt to the point where the two halves would just slide, I could mount the bumpers, move the bumper around to get best fit and then remove the bumper prior to locking the adjustment bolt. Worked for me (IMG:style_emoticons/default/smile.gif)
   The outer bracket needed relieving as shown to allow the range of adjustment, and I used Rivnuts on the inner bracket to allow easy installation once the full bracket was finally adjusted and fixed to the bumper. |
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| mepstein |
Jan 21 2021, 12:11 PM
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#3
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914-6 GT in waiting Group: Members Posts: 19,300 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(wysri9 @ Jan 21 2021, 07:31 AM)  Here are pics of the brackets I made up. By tightening the adjustment bolt to the point where the two halves would just slide, I could mount the bumpers, move the bumper around to get best fit and then remove the bumper prior to locking the adjustment bolt. Worked for me (IMG:style_emoticons/default/smile.gif) The outer bracket needed relieving as shown to allow the range of adjustment, and I used Rivnuts on the inner bracket to allow easy installation once the full bracket was finally adjusted and fixed to the bumper. Best solution I’ve ever seen. |
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Posts in this topic
john77 Best way to fit the mounting brackets to fiberglass bumpers? Jan 20 2021, 03:54 PM
dhuckabay
http://www.914world.com/bbs2/uploads_offsite/live... Jan 20 2021, 04:03 PM
john77
No clue what the brackets are. If metal epoxy s... Jan 20 2021, 04:16 PM Rleog I bolted the brackets on, using the donuts. Then h... Jan 20 2021, 04:45 PM wysri9 My fibreglass bumpers came with studs glasses in. ... Jan 20 2021, 04:47 PM Krieger
http://www.914world.com/bbs2/uploads_offsite/live... Jan 20 2021, 10:21 PM Retroracer Nice looking build!
Yes, my bumpers (QRS I th... Jan 20 2021, 10:32 PM john77
Here are pics of the brackets I made up. By tigh... Jan 21 2021, 12:03 PM porschetub Crude but effective for my speedster replica I sha... Jan 21 2021, 01:08 PM |
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