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Thread: Rivet Nuts? How big is too big?
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01-13-2013 #1
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Rivet Nuts? How big is too big?
I was wondering if anyone had any advice on rivet nuts? I'm currently installing the rear hangers on a magnaflow exhaust kit. I bought 3/8" rivet nuts to install in the bottom of the frame rail to bolt up the hangers. The thing the concerns me is a 17/32" (a little shy of 9/16") hole is needed. Does anyone feel that hole is too big for the bottom of a 1st gen camaro frame?
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01-13-2013 #2
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Just as a knee jerk reaction to this with absolutely no engineering backing, yes that is overkill for what you need. I feel like maybe a 1/4in bolt would be more than enough and more along the lines of something that I would run
Steve
1968 Dodge Charger All Wheel Drive project Red Bull<script type="text/javascript" src="safari-extension://com.ebay.safari.myebaymanager-QYHMMGCMJR/5cce6da5/background/helpers/prefilterHelper.js"></script><script type="text/javascript" src="safari-extension://com.ebay.safari.myebaymanager-QYHMMGCMJR/85dc54c0/background/helpers/prefilterHelper.js"></script><script type="text/javascript" src="safari-extension://com.ebay.safari.myebaymanager-QYHMMGCMJR/85dc54c0/background/helpers/prefilterHelper.js"></script>
01-13-2013 #3
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Interesting, as I'm looking for a 3/8 rivnut for the same location. The bolt would screw into the frame, but not tighten. It's been that way for 500 miles and a track day.
KevinKevin
69 Camaro LS2 (LT4 no longer) T56 DSE suspension, 9" mini tub, Baer brakes, Budnik wheels, Vintage Air
01-14-2013 #4
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Rivet Nuts? How big is too big?
I used a 3/8 rivet nut for exactly that on the Tommy Camaro. No issues.
John Parsons
UnRivaled Rides -- Modern upgrades for your ride.
UnRivaled Rides recent project -- LS9-powered 69 Camaro
01-25-2013 #5
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Thanks for the responses. After talking with my cousin, who has an engineering back ground, I put the rivet nut on the side (the web) of the frame. Drilling the bottom (the flange) probably wouldn't cause any issues, but the drilling a hole in the web will have the least amount of weakening the frame (or beam as he described).
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