What is the best brand windshield gasket - The 1947 - Present Chevrolet & GMC Truck Message Board Network

djmachinist · 11-08-2011, 04:14 PM

I am installing a new windshield in my 69 GMC. My installer tried to use a LMC supplied gasket and it did not fit very well at all. I ordered the pre 70 gasket and matching trim. The trim would not stay in the groove. it seemed to be dimensionly off by a smidgen. They are now trying to install a Gasket I had got from Classic a while back. They say it looks to fit a little better. We'll see if it works. They did change the back glass using the LMC gasket with no problems.

However, what is the best Gasket brand to get and what supplier.

Both gaskets from LMC and Classic were in "Goodmark" boxes.

Thanks,
Dale

**RenoKeene** · 11-08-2011, 04:30 PM

I have the same problem right now...Installer couldn't make the LMC work at all so he provided the "Correct" one, for $85. It's not worth a dam either..check the pics. Looks like he's got alot more time to spend on mine.

**leddzepp** · 11-08-2011, 04:34 PM

I have heard that Precision makes the best W/S gasket

djmachinist · 11-08-2011, 04:34 PM

Quote:

Originally Posted by RenoKeene

I have the same problem right now...Installer couldn't make the LMC work at all so he provided the "Correct" one, for $85. It's not worth a dam either..check the pics. Looks like he's got alot more time to spend on mine.

Yeah, thats what mine looks like, The second gasket does not appear to be working any better.

Dale

Ackattack · 11-08-2011, 05:05 PM

Quote:

Originally Posted by RenoKeene

I have the same problem right now...Installer couldn't make the LMC work at all so he provided the "Correct" one, for $85. It's not worth a dam either..check the pics. Looks like he's got alot more time to spend on mine.

Mine is the same way on my 68 (with the trim). The windshield guy said it would work out when it got hot in the summer, but it didn't.

On my 69, I went with no trim and it fits fine.

BurnoutNova · 11-08-2011, 05:26 PM

I don't remember the brand, but I used on on my 71 K10 that came from Classic Industries I think. I used the trim on mine as well.

It went in pretty good, much better than the horror stories I've read. I started with plenty of soapy water around the edge, and parachute cord on the seal. I did end up stretching the seal a bit at the top of the windshield under the visors, but it seals fine.

TobyArnot · 11-08-2011, 06:44 PM

More on the subject:
http://67-72chevytrucks.com/vboard/s...d.php?t=484773

Autoblueprint · 11-08-2011, 07:38 PM

Quote:

Originally Posted by djmachinist

...what is the best Gasket brand to get and what supplier.

Local glass company did mine...front and back..fit is perfect...here is the link to the page on my web site where you can get their phone number and ask them who the supplier is.

jondancer · 11-08-2011, 08:38 PM

I also need a good one for after paint job .
Posted via Mobile Device

into69z · 11-08-2011, 08:45 PM

Quote:

Originally Posted by leddzepp

I have heard that Precision makes the best W/S gasket

x-2

70-Shorty · 11-08-2011, 09:53 PM

so a precision gasket w/o trim channel fits good? Source?
Tim

**Tim Christian** · 11-08-2011, 09:53 PM

I have always used Soff Seal with best results

william-theglassman · 11-08-2011, 10:36 PM

precision gaskets always seem to work fine for me .i have had some in the past that i didnt think i could make work after looking at them on the glass before installing but i have always been able to force them to go in . i just dont give up.and i love my job.call around and get a glass man who wants to do the job for you not one that is forced to .i get excited to do the jobs no one else wants to do.

chevytruckluver · 11-08-2011, 10:57 PM

Quote:

Originally Posted by 70-Shorty

so a precision gasket w/o trim channel fits good? Source?
Tim

GMC Paul's a site vender has Precision.

I have the front and rear gaskets waiting for my truck to get out of paint prision...haha

jim zag · 11-09-2011, 07:47 AM

Just put a used original windshield in my new '71 daily driver. Tried LMC gasket and it seemed to me it was too big and the windshield wanted to come out of the gasket. The Precision gasket did work. It took three of us to put the windshield in. It gets tricky when you get to the top corners. You just gotta keep pushing from the outside and work the rope around the corners.

bobs409 · 11-09-2011, 07:56 AM

Just had a new windshield installed at a glass shop and I provided the gasket, Precision brand (with trim). They didn't say they had any trouble so I guess it went well.

jim-bob · 11-09-2011, 09:40 AM

Quote:

Originally Posted by bobs409

Just had a new windshield installed at a glass shop and I provided the gasket, Precision brand (with trim). They didn't say they had any trouble so I guess it went well.

..was it in the 69 in your avatar??

djmachinist · 11-09-2011, 01:07 PM

Thanks for all the good input and opinions. I ordered a new gasket from Steel
rubber products. I understand they source them from Precision. I'll try again
next week. Meanwhile, I hustled the truck over to my painter that painted the truck last year. I ask him to clean up and paint the Gasket channel to match the rest of the truck. He is also going to re-paint the top of the dash. He could not get the gun into that area of the windshield very well the first time around with the windshield in place.

Dale

eightbanger · 11-09-2011, 01:18 PM

And here is that install video that has already been posted to show how to do it right.

1967 Chevy Pickup Windshield replacement, removal...

**RenoKeene** · 11-09-2011, 01:20 PM

Quote:

Originally Posted by djmachinist

Thanks for all the good input and opinions. I ordered a new gasket from Steel
rubber products. I understand they source them from Precision. I'll try again
next week. Meanwhile, I hustled the truck over to my painter that painted the truck last year. I ask him to clean up and paint the Gasket channel to match the rest of the truck. He is also going to re-paint the top of the dash. He could not get the gun into that area of the windshield very well the first time around with the windshield in place.

Dale

Hey Dale..make sure to tell the painter to paint the top of your dash flat or non-reflective or you will be staring at it's reflection from now on.

djmachinist · 11-09-2011, 01:23 PM

Quote:

Originally Posted by RenoKeene

Hey Dale..make sure to tell the painter to paint the top of your dash flat or non-reflective or you will be staring at it's reflection from now on.

Good point, I will do that!

Dale

**RenoKeene** · 11-09-2011, 01:28 PM

My painter wet sanded mine and didn't buff it out and it's perfect, now if I can get the seal right I'll be happy.
Lots of people don't realize the factory painted the dash tops flat untill its too late.

jim-bob · 11-09-2011, 05:57 PM

Quote:

Originally Posted by jim zag

Just put a used original windshield in my new '71 daily driver. Tried LMC gasket and it seemed to me it was too big and the windshield wanted to come out of the gasket. The Precision gasket did work. It took three of us to put the windshield in. It gets tricky when you get to the top corners. You just gotta keep pushing from the outside and work the rope around the corners.

do you have chrome trim? I can't tell in the pic

bobs409 · 11-09-2011, 07:41 PM

Quote:

Originally Posted by jim-bob

..was it in the 69 in your avatar??

No this was my 71 Cheyenne 20 but the wrecker will get one from the same place hopefully this summer.

I paid $239 or something for the windshield and the install. For that price, I wouldn't dare try this on my own. I just know I would end up with a $200 dollar broken piece of glass!

dfwright · 11-10-2011, 12:39 AM

subscribing

11-08-2011, 04:14 PM	#1
djmachinist Registered User Join Date: Feb 2010 Location: Katy, Texas Posts: 253	What is the best brand windshield gasket I am installing a new windshield in my 69 GMC. My installer tried to use a LMC supplied gasket and it did not fit very well at all. I ordered the pre 70 gasket and matching trim. The trim would not stay in the groove. it seemed to be dimensionly off by a smidgen. They are now trying to install a Gasket I had got from Classic a while back. They say it looks to fit a little better. We'll see if it works. They did change the back glass using the LMC gasket with no problems. However, what is the best Gasket brand to get and what supplier. Both gaskets from LMC and Classic were in "Goodmark" boxes. Thanks, Dale __________________ 1969 GMC SWB FLEETSIDE ZZ 383 CRATE MOTOR,700R4,& 3.73 POSI & VINTAGE AIR DALE JONES MY BUILD THREAD: "69 GMC SHORT FLEET" http://67-72chevytrucks.com/vboard/s...d.php?t=388447

11-08-2011, 04:30 PM	#2
RenoKeene Florida Edition Join Date: Oct 2010 Location: Fruitland Park, FL Posts: 4,029	Re: What is the best brand windshield gasket I have the same problem right now...Installer couldn't make the LMC work at all so he provided the "Correct" one, for $85. It's not worth a dam either..check the pics. Looks like he's got alot more time to spend on mine. Attached Images __________________ 70 GMC Short Stepside "Rose"-An American Beauty: Factory 402/TH400, AM/FM, AC, Tilt, Tach, Buckets, Posi, PS, PB, 3-5 Drop, Complete Resto-Rod 67 C-20 Slant Back Wrecker "Mad Max" 67 C-10 Ratrod "Step-N-Wolf" 71 Serro Scotty Sportsman camper "Scotty" 97 LT1 Z28 "The Hornet" Link to more pics of "Rose" http://67-72chevytrucks.com/vboard/a...p?albumid=1684 Check out my "Cheap Tricks" thread and add to it if you can, lots of good info there. http://67-72chevytrucks.com/vboard/s...d.php?t=489394

11-08-2011, 04:34 PM	#3
leddzepp Moderator Join Date: May 2007 Location: Southern Cal Posts: 20,036	Re: What is the best brand windshield gasket I have heard that Precision makes the best W/S gasket __________________ 1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man RIP FleetsidePaul

11-08-2011, 05:26 PM	#6
BurnoutNova Registered User Join Date: Mar 2004 Location: CA Posts: 2,057	Re: What is the best brand windshield gasket I don't remember the brand, but I used on on my 71 K10 that came from Classic Industries I think. I used the trim on mine as well. It went in pretty good, much better than the horror stories I've read. I started with plenty of soapy water around the edge, and parachute cord on the seal. I did end up stretching the seal a bit at the top of the windshield under the visors, but it seals fine.

11-08-2011, 06:44 PM	#7
TobyArnot Quit if it's not FUN!!! Join Date: Jul 2010 Location: Indian Trail, N.C, Posts: 864	Re: What is the best brand windshield gasket More on the subject: http://67-72chevytrucks.com/vboard/s...d.php?t=484773

11-08-2011, 08:38 PM	#9
jondancer Registered User Join Date: Jul 2010 Location: central michigan Posts: 1,194	Re: What is the best brand windshield gasket I also need a good one for after paint job . Posted via Mobile Device

11-08-2011, 09:53 PM	#11
70-Shorty Registered User Join Date: Jul 2010 Location: Ontario CA Posts: 317	Re: What is the best brand windshield gasket so a precision gasket w/o trim channel fits good? Source? Tim __________________ Ontario CA•70 Chevy Shortbed Fleetside C-10 71 Chevy Longbed Fleetside C-20 (sold ) 63 Chevy II Nova SS 02 Ford F-150 Harley-Davidson supercharged 5.4 2000 Harley Roadking Hot Bike Baggers Mag Shoot http://s263.photobucket.com/albums/i...oot/?start=all some truck lettering & flame jobs http://www.flickr.com/photos/4950319...7602894916215/

11-08-2011, 09:53 PM	#12
Tim Christian Senior Member Join Date: Dec 1999 Location: TN/VA Posts: 6,388	Re: What is the best brand windshield gasket I have always used Soff Seal with best results

11-08-2011, 10:36 PM	#13
william-theglassman Registered User Join Date: Jun 2009 Location: lake charles louisiana Posts: 94	Re: What is the best brand windshield gasket precision gaskets always seem to work fine for me .i have had some in the past that i didnt think i could make work after looking at them on the glass before installing but i have always been able to force them to go in . i just dont give up.and i love my job.call around and get a glass man who wants to do the job for you not one that is forced to .i get excited to do the jobs no one else wants to do.

11-09-2011, 07:47 AM	#15
jim zag ENGINE BUILDER Join Date: Apr 2006 Location: Shortsville n.y. Posts: 344	Re: What is the best brand windshield gasket Just put a used original windshield in my new '71 daily driver. Tried LMC gasket and it seemed to me it was too big and the windshield wanted to come out of the gasket. The Precision gasket did work. It took three of us to put the windshield in. It gets tricky when you get to the top corners. You just gotta keep pushing from the outside and work the rope around the corners. Attached Images __________________ JIM ZAG

11-09-2011, 07:56 AM	#16
bobs409 1969 Custom 30 wrecker Join Date: Sep 2001 Location: Pottsville, Pa Posts: 2,611	Re: What is the best brand windshield gasket Just had a new windshield installed at a glass shop and I provided the gasket, Precision brand (with trim). They didn't say they had any trouble so I guess it went well. __________________ Bob 63 Impala 283/PG/3.36 (under restoration) 66 Impala 327/PG/3.36 66 Chevelle SS 409/M22/3.55 69 Chevelle 307/PG/3.08 (future restoration) 69 C10 short stepside 454/TH350/3.73 69 Custom 30 tow truck 350/4 spd/4.10 (resto done, CRUISIN TIME!) 71 Cheyenne 20 fleetside 350/4 spd/4.10 71 Chevelle 6/PG/3.08 72 Chevelle 454/M21/4.10

11-09-2011, 01:07 PM	#18
djmachinist Registered User Join Date: Feb 2010 Location: Katy, Texas Posts: 253	Re: What is the best brand windshield gasket Thanks for all the good input and opinions. I ordered a new gasket from Steel rubber products. I understand they source them from Precision. I'll try again next week. Meanwhile, I hustled the truck over to my painter that painted the truck last year. I ask him to clean up and paint the Gasket channel to match the rest of the truck. He is also going to re-paint the top of the dash. He could not get the gun into that area of the windshield very well the first time around with the windshield in place. Dale __________________ 1969 GMC SWB FLEETSIDE ZZ 383 CRATE MOTOR,700R4,& 3.73 POSI & VINTAGE AIR DALE JONES MY BUILD THREAD: "69 GMC SHORT FLEET" http://67-72chevytrucks.com/vboard/s...d.php?t=388447

11-09-2011, 01:28 PM	#22
RenoKeene Florida Edition Join Date: Oct 2010 Location: Fruitland Park, FL Posts: 4,029	Re: What is the best brand windshield gasket My painter wet sanded mine and didn't buff it out and it's perfect, now if I can get the seal right I'll be happy. Lots of people don't realize the factory painted the dash tops flat untill its too late. __________________ 70 GMC Short Stepside "Rose"-An American Beauty: Factory 402/TH400, AM/FM, AC, Tilt, Tach, Buckets, Posi, PS, PB, 3-5 Drop, Complete Resto-Rod 67 C-20 Slant Back Wrecker "Mad Max" 67 C-10 Ratrod "Step-N-Wolf" 71 Serro Scotty Sportsman camper "Scotty" 97 LT1 Z28 "The Hornet" Link to more pics of "Rose" http://67-72chevytrucks.com/vboard/a...p?albumid=1684 Check out my "Cheap Tricks" thread and add to it if you can, lots of good info there. http://67-72chevytrucks.com/vboard/s...d.php?t=489394

11-10-2011, 12:39 AM	#25
dfwright Registered User Join Date: Jan 2009 Location: San Antonio, Texas Posts: 1,374	Re: What is the best brand windshield gasket subscribing __________________ 1972 C10 LWB, 350/350 Deconstruction began 5/2009, mostly completed restoration, 5/2017



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