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-   -   Inner fender rock proctection? (http://www.clubcobra.com/forums/superformance/78156-inner-fender-rock-proctection.html)

Threebrand 04-14-2007 09:52 AM

Inner fender rock proctection?
 
I am new to the group with SPF258, a roadster sporting a Southern Performance 427 bored and stroked to 484. Car is immaculate and I would like to keep it that way. I am concerned about tire thrown rocks hitting the inside of the fenders and causing paint damage to the exterior fender areas. Does anybody have a recommendation for a fix for this?

Woodz428 04-14-2007 10:25 AM

There are probably several ways to accomplish this, however SPF started lining the inner fenders of the later cars and you can probably get them pre-cut from SPF and fit them right in.

double ugly 04-14-2007 10:54 AM

3M makes a product called chip guard in a rattle can but there are lots of products out there that may be better (cheaper) for the application. You could try this.
http://store.newlevelmotorsports.com/sponun.html
John

Rickd 04-14-2007 11:01 AM

There are several products that a lot of cobra owners have used, one of them being a "bedliner" product that is either sprayed, rolled, or brushed on. It is used to protect pickup truck beds against dings and dents, and is very effective as an undercoating application to protect against inner fender damage. RD

Bob In Ct 04-14-2007 11:01 AM

You need more than paint. I would think a high density foam would be the way to go.

Bob

double ugly 04-14-2007 11:34 AM

It isn't paint. It's a fairly thick rubberized coating that insulates the fiberglass. I would use the brush on type rather that the spray on. I'm too nervous using rattle cans near a nice paint job.
John

Rickd 04-14-2007 12:08 PM

It is definitely NOT paint. You either roll or brush on a couple of coats and you have something that is 1/8 inch thick, or even more. This will take a lot of abuse that will never contact your fibreglass fender.

jwd 04-14-2007 01:02 PM

Another vote for the brush on bedliner. That stuff is bullet-proof.

Excaliber 04-14-2007 01:15 PM

...boy am I glad I got a few scratches on mine, it would drive me nuts trying to keep it 'perfect'. :D

cobra crazee 04-14-2007 01:31 PM

there is gentleman here in LA that owns 2 original cobras. One of his cars
had the high density foam in small part of the undercarriage. Next time I see him i'll ask where he got it from. I am too interested in putting something in there, because I want to run my 17's with the sticky nitto's.

ST 04-14-2007 03:16 PM

McMaster-Carr has some adhesive backed ¼ in. foam that I lined the inside of my fenders with.
It’ll cost you about $25 delivered.

Randy Rosenberg 04-14-2007 03:22 PM

Craig Hill has pre-cut fender liners made of high density foam for SPFs. You can reach him @ (925) 449-3330.

Threebrand 04-14-2007 07:50 PM

Good stuff guys. Thanks for the advice.

RedBarchetta 04-14-2007 08:38 PM

Quote:

Originally Posted by Excaliber
...boy am I glad I got a few scratches on mine, it would drive me nuts trying to keep it 'perfect'.

Scratches are the least of most peoples' worries. Fling a big stone and star crack the 'glass/paint...that will drive you nuts. Of course, the Kirkham guys are :LOL: at this thread...

cobra crazee 04-14-2007 09:44 PM

ST, do you know the product number for the adhessive stuff from mcmaster's. THANKS

ST 04-15-2007 02:56 AM

The number is... 8722K44

trularin 04-15-2007 06:41 AM

I think this is going to come around to how much driving are you going to do.

If it is wonderful and looks great, you will have a problem with driving it too many places as...you will get rock, junk and crud thrown at the car.

I have Rhino hide covering the bottom part of the car's body. Would I do it again, YES. My car is driven a lot in the summer. The Rhino hide doesn't look smooth and finshed as much as it protects the surface from abuse.

So, if you coat with a "bed liner" it may not look as nice as a finished inner fender.

Just my $0.03 :D

JCoop 04-15-2007 08:07 AM

I used sound-deadening material like Dynamat acailable in sheets or rolls from Jegs and others. Clean fender insides thoroughly with rubbing alcohol before application. Then, spray the edges and other areas liberally with rubberized undercoating

Threebrand 04-15-2007 02:24 PM

Jay, Dynamat in an exposed area. Interesting. Would you then seal it off with the brush on rhino lining or some other similar product to keep it intact and attached?

JCoop 04-15-2007 04:50 PM

After I got a star crack in one fender on my previous SPF, I immediately lined the fenders on the new BB SPF and my GT40 as well. I used the Dynamat because I had left over material after lining everything in the GT40 as a sound-deadening project. The material has a peel off liner and a good adhesive. Surface has to be really clean, though. I didn't seal on top of it, just around the edges; with rubberized undercoating spray. I think it actually deadens road noise.


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