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Old 01-12-2006, 02:11 PM
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Fitting Steel parts to Fiberglass?

Guys,

Maybe an ignorant question here, but a question nonetheless. On my coupe, I will be running Fiberglass fenders, and, I am going to run a Hagan Fuel Door as well as Hagan flush mount lights. I am wondering if and how I can mount these items (which are Steel) in the fiberglass fenders? If I do, will there be stress cracks (or other problems?) down the pike?

I can buy the Hagan flush mount tear drop lights which would not require a steel surround, and I can put the Fuel Door in the quarter panel, but I would like some opinions here as putting the Fuel Door in the quarter will be a long way from my Tank, and I would like to keep the Fuel filler as close to the Tank (Rock Valley) as possible.

What do all of you think?

thanks,
Craig

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Old 01-12-2006, 02:59 PM
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Your question?

If it were mine and the fuel door required the hinges to be fastened with screws I would glass in a piece of sheet metal on the backside of the fender and use self drilling screws to anchor the door hinge..Thats one way that can be done..The fuel pipe box can either be fabricated to fit or perhaps one can be found in a wrecking yard that can be adapted..Grab the upper fuel pipe and gas cap if you can..

On the tail lite housings one can rough up the housing with some 60 grit and tape it into place and then glass the housing into the fender for a nice molded in look.

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Old 01-12-2006, 04:17 PM
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What I would do is cut the hole where the part will go, cut it VERY close to perfect. The gas door one for instance would be EXACTLY as big as the hole in the metal surround that came with it. The tail lamps, same thing. Grind the back of the fenderb GOOD, kinda thin even, once you have the hole where the part will mount, then grind the top of the metal surrounding the gas door or tail light pocket, then bond the part in using an adhesive designed for this. The tiny joint at the edge would have adhesive oozing out that would be sanded flush and primed.

Prior to primer all you would see from the outside is a hole with metal the metal pockets and a tiny smoothed out seam around the edge.

Brian
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Old 01-12-2006, 05:43 PM
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Thanks to you both for the replies-now, what about the extended life of doing this? Will the 'glass and the metal delaminate or be prone to cracking?

Brian, regarding the surround to the Gas Door, would you put the metal to the outside then? That is the obvious vision that I have here-then which product would I use to "feather" the parts (not show a parting line)?

Thanks,
Craig
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Old 01-12-2006, 08:24 PM
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bond the part in using an adhesive designed for this. The tiny joint at the edge would have adhesive oozing out that would be sanded flush and primed.

Prior to primer all you would see from the outside is a hole with metal the metal pockets and a tiny smoothed out seam around the edge.

Brian[/QUOTE]

TAP PLASTICS has a 2 part epoxy adhesive that is designed for this type of bond,, I use it all the time,, do like Brian said and make sure the adhesive spreads up between the glass and the metal,, you can also use this stuff for bonding studs for attaching the light buckets,, it is a 2 color mix, white and black,, Bill
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Old 01-12-2006, 09:36 PM
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Quote:
Originally Posted by 35WINDOW
Thanks to you both for the replies-now, what about the extended life of doing this? Will the 'glass and the metal delaminate or be prone to cracking?

Brian, regarding the surround to the Gas Door, would you put the metal to the outside then? That is the obvious vision that I have here-then which product would I use to "feather" the parts (not show a parting line)?

Thanks,
Craig
I am talking about putting it on the inside, THAT is the point. If you bond it to the inside and have a hole that is EXACTLY the same as the gas doors "pocket" that they want to you weld into a fender you will only have the small seam RIGHT AT the edge of the hole.

Vettes where held together just like this for decades. A 68-82 Vettes door for instance is a metal frame with a fiberglass skin "glued" on with "Vette Panel adhesive" which is one thing you could use.

Brian
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Old 01-13-2006, 08:19 AM
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Thanks to you both for your replies. Sorry, I was having difficulties understanding the concept. Sounds like a great long term solution-

thanks again,

Craig
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Old 01-13-2006, 12:17 PM
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I'll draw up something and post it tonight.

Brian
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