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#1 |
Registered User
![]() Join Date: Dec 2015
Location: Albuquerque
Posts: 773
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Windshield gasket debate/problem
As most of you can probably relate, it is a pain to get a new windshield gasket that fits correctly. I have read many post and threads that speak of the night mares that people have endured to replace a windshield and gasket. Heres my problem.....
I have a 72 K20. My truck has the "shallow" stainless trim around the windshield. I purchased a new gasket and tried to install everything and failed at least 5 times. Upon further investigation I thought I may have the wrong gasket. I went to my local "parts guy" and he said, yes I have the one for the "shallow" trim used on the 71-71 models. I got it home, opened the package and low and behold........its the same as the one I had. It is the Counterpart Automotive gasket. Does anyone know if these are made universally to accept either the shallow or deep trim?
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My Paypal address is: http://paypal.me/KFerguson66 72 K20 Cheyenne Super My "re-build" thread http://67-72chevytrucks.com/vboard/s...?t=710221&goto Thread for my Reproduction Jack Bags http://67-72chevytrucks.com/vboard/s...d.php?t=715455 |
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#2 |
Senior Member
![]() Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: Windshield gasket debate/problem
No 2 different gaskets for 2 different trim styles the early set works best
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![]() 1967 Factory short bed - Old school '71 - 350 / 4bolt / 487 heads / Edelbrock C3BX Muncie M-22 4 speed / Hurst Comp plus Factory 12 bolt posi 3.73 / 255-70-15 Smoothed firewall / Factory cowl induction Power disc brakes / power steering / 3.5-5" drop |
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#3 |
Registered User
![]() Join Date: Dec 2015
Location: Albuquerque
Posts: 773
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Re: Windshield gasket debate/problem
So the gasket that accepts the deeper trim works best for the shallow trim as well?
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My Paypal address is: http://paypal.me/KFerguson66 72 K20 Cheyenne Super My "re-build" thread http://67-72chevytrucks.com/vboard/s...?t=710221&goto Thread for my Reproduction Jack Bags http://67-72chevytrucks.com/vboard/s...d.php?t=715455 |
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#4 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,391
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Re: Windshield gasket debate/problem
Are you using new or OEM trim? New trim won't work. I can recommend two local auto glass guys who are experienced with installing the trim/glass if that helps. I've had good luck with Precision brand gaskets.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#5 |
Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Windshield gasket debate/problem
It'll work, it's just not as easy. The window I took out was beautifully installed with repop trim, so it be done. Given the choice however the OEM trim fits much better.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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#6 |
Registered User
![]() Join Date: Dec 2015
Location: Albuquerque
Posts: 773
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Re: Windshield gasket debate/problem
I guess I should probably say that I assume its the OEM trim. Any way to tell for sure?
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My Paypal address is: http://paypal.me/KFerguson66 72 K20 Cheyenne Super My "re-build" thread http://67-72chevytrucks.com/vboard/s...?t=710221&goto Thread for my Reproduction Jack Bags http://67-72chevytrucks.com/vboard/s...d.php?t=715455 |
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#7 | |
Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Windshield gasket debate/problem
Quote:
The OEM stuff is deep enough to "hook" the inside lip in the seal, but the repro is just a little too short.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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#8 |
Registered User
![]() Join Date: Dec 2015
Location: Albuquerque
Posts: 773
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Re: Windshield gasket debate/problem
I guess I am not familiar with broach marks. I do know that the 2 seals that I have purchased are exactly the same and appear to have 2 lips in the trim channel. An upper one for the shallow trim and a lower one for the deeper trim. One of the seals was supposedly for 71-72 trucks with shallow trim. I purchased a second seal thinking I had the wrong one but they are exactly the same
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My Paypal address is: http://paypal.me/KFerguson66 72 K20 Cheyenne Super My "re-build" thread http://67-72chevytrucks.com/vboard/s...?t=710221&goto Thread for my Reproduction Jack Bags http://67-72chevytrucks.com/vboard/s...d.php?t=715455 |
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#9 |
Registered User
Join Date: Jun 2014
Location: Orland, Nor-Cal
Posts: 617
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Re: Windshield gasket debate/problem
Call "Precision" They are knowledgeable and have the BEST gaskets. I know from experience.
__________________
1972 Highlander PAC B 400BB-SOLD 1974 K5 Blazer-6.0 swap 1974 C20 Long Bed 454 1977 GMC HeavyHalf several adopted orphans |
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#10 |
Registered User
![]() Join Date: Dec 2015
Location: Albuquerque
Posts: 773
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Re: Windshield gasket debate/problem
I have OEM trim.
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My Paypal address is: http://paypal.me/KFerguson66 72 K20 Cheyenne Super My "re-build" thread http://67-72chevytrucks.com/vboard/s...?t=710221&goto Thread for my Reproduction Jack Bags http://67-72chevytrucks.com/vboard/s...d.php?t=715455 |
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#11 |
Registered User
Join Date: Jun 2014
Location: Orland, Nor-Cal
Posts: 617
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Re: Windshield gasket debate/problem
I had the same problems as you. The "precision" gasket was used with my original chrome trim and it was installed by my local glass guy. I watched him-he had no problems with the precision gasket-unlike one I got from Brothers....just telling you my experience.
__________________
1972 Highlander PAC B 400BB-SOLD 1974 K5 Blazer-6.0 swap 1974 C20 Long Bed 454 1977 GMC HeavyHalf several adopted orphans |
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#12 |
Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Windshield gasket debate/problem
Having just done this I can saw that the reproduction chrome trim doesn't fit well. The 'L' part that comes in and hooks the rubber isn't deep enough to actually grab the channel that its supposed to. The factory stuff is much better.
That said, it CAN be made to work, but its not ideal.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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#13 |
Registered User
![]() Join Date: Dec 2015
Location: Albuquerque
Posts: 773
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Re: Windshield gasket debate/problem
Thanks. I appreciate it. Time to call precision
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My Paypal address is: http://paypal.me/KFerguson66 72 K20 Cheyenne Super My "re-build" thread http://67-72chevytrucks.com/vboard/s...?t=710221&goto Thread for my Reproduction Jack Bags http://67-72chevytrucks.com/vboard/s...d.php?t=715455 |
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#14 |
Registered User
![]() Join Date: Dec 2015
Location: Albuquerque
Posts: 773
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Re: Windshield gasket debate/problem
I would definately be interested to find someone who is experienced at this.
Thanks
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My Paypal address is: http://paypal.me/KFerguson66 72 K20 Cheyenne Super My "re-build" thread http://67-72chevytrucks.com/vboard/s...?t=710221&goto Thread for my Reproduction Jack Bags http://67-72chevytrucks.com/vboard/s...d.php?t=715455 |
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