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MG MGA - Coupe Chrome Drip Rail

I am ready to install the chrome drip rail trim on my coupe. Does anybody have a recomendation on a sealer to use between the trim and the top. It appeared to have had some kind of sealer there.
Thanks, Scott
Scott Shirk

Gday Scott Have a look on Barney's site CP-122 - DRIP RAIL Rivets and Sealing
B WALKER

Scott it's been a couple of years since I did mine but I think I used a small bead of clear silicone sealant behind the pop rivets. I used aluminum pop rivets because I found the s/s ones too hard to compress with the hand tool (you do risk the chance of "base metal corrosion" with aluminum but it would need to be wet for a long time and my car never gets wet). Start in the center and work both sides alternatively. Insert all the pop rivets first before you start poping any of them except the first one in the center.

Andy
Andrew Preston

Be very wary of using silicone sealant. Some contain an etching agent, the etching agent is an acid that can eat paint and create rust holes. I used silicone to attach a aluminum cap to the top of the tailgate on a pickup truck. 5 years later I removed the cap to repaint the tailgate. I found that there were rust holes every where the silicone touched. Needless to say I bought a new tailgate to repair the truck. If this happened to your coupe the repair would not be simple.
Read Barney's page referenced above. Use caulk from a body repair source. The last paragraph about stainless rivets and starting n the middle are important to follow. I started at one end and by the time I was 3/4 done the holes quit lining up. I had to drill out the rivets a second time and start over.
NO silicon. Stainless rivets. Start in the middle. Use body caulk.
R J Brown

You should use a Sikaflex product, as used to "glue" together truck bodies. Acetic cure silicone is bad news, whereas a neutral cure silicone should not be a problem. However, the Sika products are not silicone but rather polyurethane and are correct for the circumstances.

Not sure of which particulkar one, but a good retailer or a search of Sika's site will tell you which one to use. can paint over them as well.

Phil
P R Macwhirter

This thread was discussed between 20/04/2011 and 24/04/2011

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