This is topic carbon fiber repair in forum Tech Talk at Northern California Ford Owners  .


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Posted by bmxer (Member # 1222) on :
 
i was on my way to the body shop to get the hood pins installed, and my hood flew up. it just put a small dent in the roof, but it cracked the hood 3" and some small chips. is there anything i can do to fix it? like bondo or something, or should i just take it to a shop?
 
Posted by 4.6GT (Member # 2643) on :
 
[patriot]
 
Posted by sn8k (Member # 2350) on :
 
You can repair it... the area that was cracked will need to be reinforced though. Go to Tap Plastics and get some medium wieght fiberglass cloth and some 30 minute epoxy. You will need to take the hood off of the car so that you can work on it. Now with the hood sitting on your work table upended (inside of the hood facing up) - ruff up a 12" x 12" area underneath the crack with some 100 grit sand paper and then clean the area with some acetone (be careful - this shit will strip the paint off of anything it touches). Now using a small paint brush, paint a thin layer of the epoxy over the area that you just sanded & cleaned. Then lay about a 6" square piece of fiberglass cloth on the area (rubber gloves would be nice here) and make sure the cloth is flat & completely saturated with the epoxy... you may need to paint the mixxed epoxy over top of it. Repeat this with a larger piece of cloth (8"x8") over the top of what you just did for added strength. After this has cured (about 24 hours) you can use bondo over the top of the crack and sand smooth.

I should add that I am guessing that the hood was made using epoxy instead of a polyester based bonding agent. You might want to check with the manufacturer of the hood to be sure... but you will find out on your own if you don't as epoxy will not cure on polyester - and you'll wind up with a big mess instead of a fixed hood.
 




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