Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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#465310 01/08/22 09:41 AM
Joined: Jun 2017
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Bertus Offline OP
Backyard Mechanic
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My original running boards have no mats and some existing stainless trim. Can anyone tell me if the trim was designed to overlap onto the edges of the rubber mat? Existing trim pieces don't appear to be wide enough.


1932 Chev 5 Window Coupe
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The running board mats originally were molded to the board so there was no gap between the raised bead and the mat. The trim was just a decorative trim on the top of the bead. It only overlapped the thickness of the trim. In fact didn't fit tight or compress into the mat. That means when the mat is replaced it must be carefully trimmed and fitted.


How Sweet the roar of a Chevy four!
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Bertus Offline OP
Backyard Mechanic
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As I suspected. Thanks for confirming that. Anyone know of a sealant or caulking suitable to seal between mat and trim? Would need to be a very fine bead. I really would rather not do this, but the mat might shrink maybe?


1932 Chev 5 Window Coupe
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There are several options. 3M has several products that you can use and others as well. Windshield adhesive or sealer that cures to a flexible rubbery material is one option. There are also seam sealers. Since you only need a little bit I suggest a small tube to apply and not a larger cartridge.


How Sweet the roar of a Chevy four!

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