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How to fix studs on hood scoop..... #849459
11/09/10 09:44 AM
11/09/10 09:44 AM
Joined: Jan 2003
Posts: 4,244
West Virginia
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NewbombTurkk Offline OP
master
NewbombTurkk  Offline OP
master
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Joined: Jan 2003
Posts: 4,244
West Virginia
I have an AMC Machine hood scoop/tach that somebody broke off some of the fiberglass mounting posts for the studs......so how could I fabricate enough of a mounting post that would accomodate a new stud? Some way to attach fiberglass to fiberglass, or??????


1969 Buick Sportwagon 455 Stage 1 Ram Air SOLD
Nationwise Auto Parts Alumni 1982-1984

Now 1972 El Camino, original 402
Re: How to fix studs on hood scoop..... [Re: NewbombTurkk] #849460
11/09/10 03:06 PM
11/09/10 03:06 PM
Joined: May 2007
Posts: 1,443
Maryland
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Dads426 Offline
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Dads426  Offline
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Joined: May 2007
Posts: 1,443
Maryland
I built a mold out of plastic sheet and taped it to the inside of our max wedge scoop, placed a machine screw in the cavity and filled with 2-part epoxy (Devcon 5-minute). No sign of pulling out at 120 mph



2012 422 Allstars NSS Champion
2013 422 Allstars NSS Champion
2014 422 Allstars NSS Champion
Re: How to fix studs on hood scoop..... [Re: NewbombTurkk] #849461
11/10/10 09:09 AM
11/10/10 09:09 AM
Joined: Jan 2003
Posts: 5,888
Athens, Greece
Pyper70 Offline
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Pyper70  Offline
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Joined: Jan 2003
Posts: 5,888
Athens, Greece
If its anything like the design of a 70 Dart 340 scoop I can lend a few ideas. I think each scoop had like 8 studs on them. half of them were broken. All I did was make a template of out wood that conformed to the scoop and I laid in fiberglass resin. I dimpled the bosses on the scoop lightly with a small 1/16" drill bit at an angle so the fiberglass could get a footing. After it dried i would take apart the template and go to the next one until the scoop was done. Then I went ahead and bought some "flower pots". Thats what it said on the bin at the hardware store. Its pretty much a threaded sleeve with 1/4 x 20 threads, there is a flat area on top with three small embedded anchors that hook into the material to keep it from spinning...that is about the size of a dime. (This is more or less called a RIVNUT...but rivnuts are for metal structures and anchoring) I cross drilled the sleeves with a 1/8" drill bit and dabbed a little fiberglass on the inside of the boss where you will insert the "rivnut", set in the sleeve and then quickly cranked down a 1/4x20 stud with the correct length. after 24 hours that stud is locked and loaded and it ain't coming back out. Took me about 4-5 hours total...My dart running down the freeway at 120 and those scoops were solid...


Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s
Re: How to fix studs on hood scoop..... [Re: Pyper70] #849462
11/10/10 02:12 PM
11/10/10 02:12 PM
Joined: Jul 2008
Posts: 30,253
Florida STAYcation
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The village idiot's idiot
dIc dOc Deity !  Online Penguin-006
The village idiot's idiot

Joined: Jul 2008
Posts: 30,253
Florida STAYcation
ANY type of polyester or epoxy PASTE should work fine with some T-nuts.







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