Yes it is a issue. They do pop loose with all the flexing. I use studs in the glass and bolt it down. On plastic/fiberglass pre-made scoop in the past. Just make the head lower than the scoop with a countersink. Then fill over it. I have no issue with it on other body parts. Just really scratch up the metal it will stick.
So once the humps are made put threaded studs in it along the long parts. Use a bolt with a tapered head. Use a big drill bit to make the counter sink hole. Once the bolt is flush a little mat over it hold it in and still while the nut goes on underneath. And need less to say reinforce the area where your drilling for the bolt underneath.
Now once you got the holes in the hood and it fits the way you want. Resin the bottom with resin. Bolt it down. Once it is hard, rub resin with extra hardener over the seam to harden it under the seam a hair. Keep it from splitting once it is painted. Do your bondo pretty work. Then seal the mess with epoxy primer before final bodywork.
The fiberglass will flex with the metal once it is bolted down and stay with the metal.
70 camaro SS's had fiberglass hood scoop option, L-88 corvette style on a metal hood factory. it can be done if it is done right.
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07-05-2016, 07:59 PM
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