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what to use between the fender and inner fenders? #2260867
02/28/17 02:09 AM
02/28/17 02:09 AM
Joined: Oct 2003
Posts: 450
Belleville Il
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Dingmaster Offline OP
mopar
Dingmaster  Offline OP
mopar
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Joined: Oct 2003
Posts: 450
Belleville Il
I'm getting to the point of mounting my fenders on my 71 cuda. was wondering what people like to use between the fender and the inner fenders?
It seems the factory stuff was a foam, shot out of a caulking gun. apparently it came out faster than the workers needed it to. I've seen some real messes with that stuff.

Re: what to use between the fender and inner fenders? [Re: Dingmaster] #2261633
03/01/17 02:34 PM
03/01/17 02:34 PM
Joined: Aug 2003
Posts: 2,938
California
1970mopar Offline
master
1970mopar  Offline
master

Joined: Aug 2003
Posts: 2,938
California
SEM 39357 (flexible expanding foam) or 3M (similar product)

Both make a correct appearing product when applied and painted.

Warning: mount fenders first, then "add" the expanding foam between the panels. The working time for these products is too fast to apply it in the same manor as the factory did.

Re: what to use between the fender and inner fenders? [Re: Dingmaster] #2261770
03/01/17 06:47 PM
03/01/17 06:47 PM
Joined: Oct 2005
Posts: 8,828
Ontario, Canada
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Stanton Offline
Don't question me!
Stanton  Offline
Don't question me!
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Joined: Oct 2005
Posts: 8,828
Ontario, Canada
Yikes ... 15 second work time . Not even enough time for it to seep down between the panels !!

Re: what to use between the fender and inner fenders? [Re: 1970mopar] #2261829
03/01/17 08:34 PM
03/01/17 08:34 PM
Joined: Mar 2008
Posts: 9,550
Sacramento CA
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Morty426 Offline
master
Morty426  Offline
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Joined: Mar 2008
Posts: 9,550
Sacramento CA
Originally Posted By 1970mopar
SEM 39357 (flexible expanding foam) or 3M (similar product)

Both make a correct appearing product when applied and painted.

Warning: mount fenders first, then "add" the expanding foam between the panels. The working time for these products is too fast to apply it in the same manor as the factory did.


Not if you have two people, but you better be ready. LOL

I did mine this way and it looks perfect

Re: what to use between the fender and inner fenders? [Re: Dingmaster] #2261872
03/01/17 10:03 PM
03/01/17 10:03 PM
Joined: Apr 2006
Posts: 4,220
West Plains, MO
DrCharles Offline
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DrCharles  Offline
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Joined: Apr 2006
Posts: 4,220
West Plains, MO
I just removed my A-body fenders today for paint/body work, and was also wondering if anything should be reapplied to that junction...

I am not concerned about correct appearance, only about future rust, so could I use brushable seam sealer instead? work







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