What is the correct way to seal the deck lid holes for the spoiler studs? I put speedclips adjacent to the spoiler, when I installed new studs, as a way to reduce strain on the spoiler itself, when bolted on. I was planning to use a small rubber washer between the spoiler and the decklid, to seal and also to protect the paint.

I was also going to put a thin ring of dum-dum on the inside of the stud, before installing the nuts. Someone warned against dum-dum for the emblem nuts, so I assume the same logic would hold for these.

Opinions, please.

I don't know what is "correct" but I have been relying on "dumb, dumb" every day for years to do exactly as you are asking. However, I use it on the top where you plan on putting the rubber washer too. The thing is, if that rubber washer does what it should do, you don't even need anything on the inside.

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1965 Buick Skylark Gran Sport Convertible
1965 Buick Skylark H/T
1948 Chevy pickup, chopped and sectioned.

"Fan of most anything that moves human beings"

Gary, all I would do is have a thin bed of dum-dum on the spoiler around the stud. That way when the spoiler is tighened down, the dum-dum would squeeze into the hole and around the stud and seal it to the lid. I don't think you need anything else on the nut side.

As to the emblems, GM put dum-dum putty right into the nut (I have some NOS nuts http://www.camaros.net/forum/smile.gif). They sealed when you tighened them up. I don't know why someone would say to not use the putty around the emblems, unless they meant on the top side. I would agree with that. The putty would be squeezed out around the emblem, ugly. But underneath in the nut should be fine.

Kevin

LOL @ NOS Nuts. http://www.handykult.de/plaudersmilies.de/laugh.gif

I've used the rubber washers with good results.

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Rick Dorion
69 RS Conv,355,Autogear M22,4.10's and I don't worry about stone chips ( yet ).

AS you already know Unreal, I used a small amount of dum-dum on the top and rubber flat faucet seat washers under the nuts. (Before the body shop took it off) The washers on the outside will seal better but I was afraid it might add a little height to the spoiler. Don't use silicone bad news on cars, holds moisture and will promote rust....Mike

I used some flat washers from the plumbing section at Home Depot. I bought ones that were tight around the stud diameter and large enough to cover the entire stud boss surface plus. I then trimed the OD to size and installed between the spoiler and deck lid. The spoiler still tightened down all the way and had a great seal. I think the flat seals were about 1/16"-3/32" thick.

Murph

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I found some rubber fender washers at ACE, but decided on the smaller ones because I was concerned that the bigger ones would cause the strain to be on the spoiler. I want the strain to be on the speed clips. I will use a thin ring of dum-dum on the stud between the spoiler and the deck lid.