Windshield Thickness - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Bandit130 · 06-18-2019, 06:15 PM

Anyone know the thickness of the factory windshield? I have searched internet and only found one that listed as 6mm. Not sure if that is correct or correct for these trucks.

sweetk30 · 06-18-2019, 06:39 PM

got 2 hanging on the shop wall now .

oem unit i know for sure is 6mm

2nd unit not sure if oem or aftermarket but 5mm

glad to help .

Bandit130 · 06-18-2019, 07:09 PM

Quote:

Originally Posted by sweetk30

got 2 hanging on the shop wall now .

oem unit i know for sure is 6mm

2nd unit not sure if oem or aftermarket but 5mm

glad to help .

Thanks for the measurements. Don't remember using metric back then but I guess it is possible.

SunSoaked · 06-19-2019, 01:15 PM

So easy a "caveman" can do it.

Bandit130 · 06-19-2019, 02:36 PM

Quote:

Originally Posted by SunSoaked

So easy a "caveman" can do it.

I know all about that. I worked at a valve manufacturing plant from 74 to 86. 6 of those years were as an inspector and we only used decimal measurements. We did not use metric then. Metric has become more common since then.

Devilman · 06-19-2019, 02:53 PM

I've got a customer that's having a glass manufacturer build him "quiet" glass for his windshield, rear window and sides for his crew cab like they use in higher end luxury cars. The stock windshield was 6mm if I remember correctly when I got him measurements. Haven't gotten the new glass yet but I'm sure they'll be as thick or thicker than stock on the front and rear, the sides are suppose to be 2mm thicker than stock. Not sure how well it'll help with quieting down the truck but we'll see....I know it's definitely a LOT more expensive than factory replacement glass lol

fordguy40 · 06-19-2019, 06:57 PM

Is '73-'80 windshield glass thicker than '81-'87 ('91)?

**buffydores** · 06-19-2019, 09:40 PM

Quote:

Originally Posted by Devilman

I've got a customer that's having a glass manufacturer build him "quiet" glass for his windshield, rear window and sides for his crew cab like they use in higher end luxury cars. The stock windshield was 6mm if I remember correctly when I got him measurements. Haven't gotten the new glass yet but I'm sure they'll be as thick or thicker than stock on the front and rear, the sides are suppose to be 2mm thicker than stock. Not sure how well it'll help with quieting down the truck but we'll see....I know it's definitely a LOT more expensive than factory replacement glass lol

I'd love to learn the name of the manufacturer willing to do this.

Super_Dave · 06-27-2019, 09:07 PM

My '74 is .290"
The replacement is .170 and couldn't find any OEM thickness anywhere.

Bandit130 · 06-27-2019, 09:32 PM

Quote:

Originally Posted by Super_Dave

My '74 is .290"
The replacement is .170 and couldn't find any OEM thickness anywhere.

Thank you. That is thicker than the previous stated thickness by someone of 6mm. 6mm converts to .236. .290 converts to 7.5mm. I know for sure that when I get mine replaced, hopefully soon, I will measure it and report back.

06-18-2019, 06:15 PM	#1
Bandit130 Registered User Join Date: Dec 2014 Location: Euless, Texas Posts: 516	Windshield Thickness Anyone know the thickness of the factory windshield? I have searched internet and only found one that listed as 6mm. Not sure if that is correct or correct for these trucks. __________________ 1974 Cheyenne 10 LWB Stock 350 W/HEI /TH350/AC/4 BBL Quadrajet Mopar by Birth Chevy by Choice

06-18-2019, 06:39 PM	#2
sweetk30 Registered User Join Date: May 2012 Location: horseheads,ny rust belt Posts: 2,794	Re: Windshield Thickness got 2 hanging on the shop wall now . oem unit i know for sure is 6mm 2nd unit not sure if oem or aftermarket but 5mm glad to help . __________________ 77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great.

06-19-2019, 01:15 PM	#4
SunSoaked Registered User Join Date: Dec 2011 Location: Yuma Arizona Posts: 1,525	Re: Windshield Thickness So easy a "caveman" can do it. Attached Images

06-19-2019, 02:53 PM	#6
Devilman Registered User Join Date: Feb 2016 Location: Dallas, Tx Posts: 41	Re: Windshield Thickness I've got a customer that's having a glass manufacturer build him "quiet" glass for his windshield, rear window and sides for his crew cab like they use in higher end luxury cars. The stock windshield was 6mm if I remember correctly when I got him measurements. Haven't gotten the new glass yet but I'm sure they'll be as thick or thicker than stock on the front and rear, the sides are suppose to be 2mm thicker than stock. Not sure how well it'll help with quieting down the truck but we'll see....I know it's definitely a LOT more expensive than factory replacement glass lol

06-19-2019, 06:57 PM	#7
fordguy40 Registered User Join Date: Feb 2018 Location: Montclair, CA Posts: 149	Re: Windshield Thickness Is '73-'80 windshield glass thicker than '81-'87 ('91)? __________________ A few Fords and a couple of Chevys

06-27-2019, 09:07 PM	#9
Super_Dave Registered User Join Date: Jul 2014 Location: Sherwood, Oregon Posts: 974	Re: Windshield Thickness My '74 is .290" The replacement is .170 and couldn't find any OEM thickness anywhere. __________________ --Project BABA YAGA!... http://67-72chevytrucks.com/vboard/s...d.php?t=655783 --Project BABA YAGA!... http://67-72chevytrucks.com/vboard/s...ghlight=Belair "Life is tough - wear a cup!" "Old Enough to Know Better - Too Young to Resist" "Junk is something you will need three weeks after you throw it away."



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