Vintage Mustang Forums banner
Cancel

Discovered much better windshield gasket!

9754 Views 48 Replies 26 Participants Last post by  Rufus68, 
Kelly_H
So, I have been fighting my windshield off and on for months trying to get it to not leak. My neighbor is an auto glass guy (reputable) and frequently does classics, so he offered to do mine as a favor. 10+ hours later... the dang thing still leaked. We had 3 tubes of 3M bedding compound pumped in there and it would not quit dripping. We tried everything - pulling the windshield, filling the gasket with sealant before installation, and then installing; cramming sealant under the gasket anywhere we could, sealing the crap out of the clips, you name it we tried it. Eventually, he decided the gasket was at fault because we had tried everything else. I had grabbed a Daniel Carpenter gasket and while it fit, it was not a good fit - wrinkles in one corner, too fat, didn't wrap around the lip of the body well in some spots, and blocked off the clips in some places. So, he picked up a new gasket from Gold Glass Group (whoever that is). We pulled the windshield for the third time, cleaned out the majority of the bedding compound, laid a bead in either side of the gasket, installed it on the glass, and stuck it into the car. Much, MUCH better fit - much tighter, lip was more well defined, it stayed away from all the clips, and it was flatter. Added some extra bedding compound on top between the gasket and the body to create a channel for water to run in and water tested it - not a SINGLE leak. And the trim clipped on much easier to boot because the gasket wasn't shoving it out! Very, very happy! :pirate:

Long story short: there are other gaskets besides Scott Drake and Daniel Carpenter. I'm not knocking Daniel Carpenter because lots of his weatherstripping is good quality. But when your glass guy tells you he can get a gasket... let him. GGG gasket gets an A+ from me! :)
Reply
Save
Like
1 - 20 of 49 Posts
bryancobb
Kelly,
Does the exposed portion of the rubber look original?
Reply
Save
Like
S
Kelly, thanks for the great update!


Slim
Reply
Save
Like
O
Thanks for the tip. I'm struggling through the same problem right now and this may just be the solution.
Reply
Save
Like
Kelly_H
Sure does (as far as I can tell, anyways). Not quite sure what your specifications are, but I'd be happy to take a couple of pictures if you like.
Reply
Save
Like
gjz30075
Great report Kelly, however their website only shows weatherstips for Mustangs '79 to '83. I was hoping for a rear glass one. Do you have a part number for your windshield gasket? Can your glass guy get a part number for a rear window gasket for a '66?
Thanks
Reply
Save
Like
Kelly_H
I will certainly ask him! The part number listed on the bag was GGG 654C or WRC654. Neither of those came up on the site so I would assume they don't have a full catalog online or it is only available through someone that they are a supplier for. I'll ask him what the deal is too to see if there's any way for individuals to buy.
Reply
Save
Like
J
Kelly, Thanks for posting! I thought the gaskets I have seemed like the stood a little past the openings when I did my test fit. I am not looking forward to trying to put the trim on with these.

Yes, I'm very interested in part numbers/ availability of both front and rear gaskets (65 Fastback).
Reply
Save
Like
C
I just went through a similar experience. The gasket I got from an online vendor proved to be inferior to the thick, firm gasket that Safelite provided when they did a re-install under warranty. For the full story, see my blog at http://www.mysweetchariot.blogspot.com

The tech who installed the new gasket (which fit just like Kelly describes here) hinted that the gasket was not available to the general public, but rather to professional glass installers. That might be why Kelly's friend, who's in the business, could obtain one. Just sayin'
Reply
Save
Like
ylexot
It has been my past experience that you need to stretch the gasket to get it even on the windshield. Almost to the point where you would think it would break. If the repro's are not like this then the mfr's (manufacturers people, this is a family show) need to know it so they can make adjustments. A wrinkle would most certainly be the cause of the leak as it is possible for it to move - literally - as the chassis flexes. And we all know the Mustang chassis has flex. Completely logical. I have an NOS one for the wife's coupe. I'll need something else for the vert eventually. Time to stock up. Thanks Kelly.
Reply
Save
Like
G
If your car is a 66, it should have weld studs for the clips, not screws. My 65 had screws and the new screws come dipped in a heavy wax like Cosmolene which protects them from leaking. Why do I have absolutely no problem with Carpenter gaskets. Fit perfect with no leaks using a CarLite windshield and original rear glass. Orginal trim snaps right in with minimal effort. Steele sells the Carpenter gaskets even though they produce most of the products they sell.
Reply
Save
Like
gwstang
Gas_Pumps said:
If your car is a 66, it should have weld studs for the clips, not screws. My 65 had screws and the new screws come dipped in a heavy wax like Cosmolene which protects them from leaking. Why do I have absolutely no problem with Carpenter gaskets. Fit perfect with no leaks using a CarLite windshield and original rear glass. Orginal trim snaps right in with minimal effort. Steele sells the Carpenter gaskets even though they produce most of the products they sell.
Click to expand...
Uhmmm, did you happen to notice the date on the post you replied to? I do this too sometimes... :eek:
Reply
Save
Like
Caper50
I'm glad someone resurrected this thread, some good tips here. Glad to hear there's options.
Reply
Save
Like
G
gwstang said:
Uhmmm, did you happen to notice the date on the post you replied to? I do this too sometimes... :eek:
Click to expand...
Somehow I got referred to it from a current thread and did not notice the original date. However, it was applicable to the current discussion.
Reply
Save
Like
L
That's all right Gas Pumps. In viewing this thread it dawned on me about something. Kelly's usual plethora of pics never made in into this thread. Maybe she will post some pics of the re-reinstall of her front windshield this time after her car is done rising from the ashes. (hint hint wink wink Kelly) B.
Reply
Save
Like
J
Gas_Pumps said:
If your car is a 66, it should have weld studs for the clips, not screws. My 65 had screws and the new screws come dipped in a heavy wax like Cosmolene which protects them from leaking. Why do I have absolutely no problem with Carpenter gaskets. Fit perfect with no leaks using a CarLite windshield and original rear glass. Orginal trim snaps right in with minimal effort. Steele sells the Carpenter gaskets even though they produce most of the products they sell.
Click to expand...
Not everyone has the same experience with the same products. I too installed the Carpenter, and they stuck out from the body enough that I didn't want to test fit the moldings figuring I may not be able to get them back off without damaging them.

I did buy the gasket she liked for the front, but haven't test fit it yet. I haven't got the rear fastback gasket yet in GGG. I do have a Carpenter.
Reply
Save
Like
NEFaurora
Daniel Carpenter makes the best windshield gaskets period. They are also made in America as well.
Reply
Save
Like
J
NEFaurora said:
Daniel Carpenter makes the best windshield gaskets period. They are also made in America as well.
Click to expand...
You've tried them all?
Reply
Save
Like
G
How many companies actually produce the 65-66 windshield gasket? With the cost of tooling and the relatively small size of the market, I doubt if there are more than a few. I know a lot of companies sell them; but who actually manufactures them? Any US made other than Carpenter?
Reply
Save
Like
coupe3w
I just ordered the Gold Glass Group gasket. P/N GGG 654 C. Fits 65-68 Mustangs.

Nick Martinez is the guy I talked to. He was great to deal with. He told me they make their own gaskets and knew when I said the ones you buy on Mustang sites were to big and hard.
You're cost $18.27 each plus shipping.
If you would like to call him his number is 425-328-5392
Reply
Save
Like
1 - 20 of 49 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Vintage Mustang Forums
A forum community dedicated to vintage Ford Mustang owners and enthusiasts. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN codes, and more!
Full Forum Listing
Explore Our Forums
Vintage Mustang Forum Mod and Custom Forum Want Ads Concours Forum Build Forum
Top