Anyone running wipers bigger than 16" oem?

[AuroraGirl]

isnt the wiper size 16 or am i misremembering?
using larger wipers puts more stress on things, and would invariably be harder on the bayonet pin connection

 

[bucket]

isnt the wiper size 16 or am i misremembering?
using larger wipers puts more stress on things, and would invariably be harder on the bayonet pin connection

Stock is 16", yes. But 18" fit and cover more area. I know people often say that it will cause more stress on the wiper motor, but GM used the same wiper motor on cars with 18" wipers. Personally, I have not found it to stress the bayonet connection.

I believe it was @Turbo4whl that had maybe brought it up though, that the larger wipers have more wind resistance and the wiper arms may not be tensioned strong enough to combat lift at higher speeds. That can definitely be an issue if the tension springs are weak.

 

[SirRobyn0]

isnt the wiper size 16 or am i misremembering?
using larger wipers puts more stress on things, and would invariably be harder on the bayonet pin connection

Stock is 16", yes. But 18" fit and cover more area. I know people often say that it will cause more stress on the wiper motor, but GM used the same wiper motor on cars with 18" wipers. Personally, I have not found it to stress the bayonet connection.

I believe it was @Turbo4whl that had maybe brought it up though, that the larger wipers have more wind resistance and the wiper arms may not be tensioned strong enough to combat lift at higher speeds. That can definitely be an issue if the tension springs are weak.

The wiper arms were beyond shot on my truck when I got it and so was the motor. So both got replaced and the linkage was removed, cleaned and lubricated. 18" blade went on around 5 years ago and I haven't had a problem, other than they do cause more drag on the windshield like if the rain lets up and your slow to turn off the wipers. I'm not really sure if that is the extra 4" of blade overall or if it's the rubber compound of the wipers though.

Yes, I'm sure the 4 extra inches adds some drag and might increase wear a tiny bit but personally I think it's negligible and it's worked out well for me at least.

On the other hand if I had a neglected wiper system that could barely move 16" blades I wouldn't be putting 18's on until I went though the system.

 

[Mark80K15]

Thanks very much everyone, I'll check out the link @Turbo4whl provided. And I take it 18" aren't a problem based on comments earlier in the thread (I did see the comments regarding a weak wiper motor).

 

[Turbo4whl]

Wiper blade thread 7 pages, spanning 5 years!

In the 1970's Pop had a roll around wiper blade cabinet. In were a few tools too. The spring tension tool is the one that stands out in my old mind.

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Hard to read but it states, One ounce per inch of blade length. Somewhere hiding in my garage is one of these old spring gauges. Not as pretty as the pictures I borrowed from Ebay.

 

[Mark80K15]

I would have liked to get the ANCO adapter that @Turbo4whl suggested yesterday, but that website wants $92.57 USD shipping to British Columbia. Not doing it. ANCO customer support confirmed they do not sell these adapters separately.

ANCO's documentation for their 16'' 7mm Bayonet Beam Wiper Blade shows that they come with a J-hook adapter: https://ancowipers.com/media/pdf/anco-contour-beam-wiper-blade-installation.pdf - don't know if that adapter will work with any other blade.

Bosch website says Clear Advantage blades are N/A for 1980 GMC K1500. I asked Bosch if they provide a J-hook adapter. They didn't answer that, and instead suggested using their frame blades, which I don't want.

I'd still like to try the Clear Advantage, so then I found this store has the adapter available in Canada: https://www.myautovaluestore.com/anco/anco-wiper-blade-to-arm-adapters-anc-48-12

I'll let you know how it turns out.

 

[AuroraGirl]

I would have liked to get the ANCO adapter that @Turbo4whl suggested yesterday, but that website wants $92.57 USD shipping to British Columbia. Not doing it. ANCO customer support confirmed they do not sell these adapters separately.

ANCO's documentation for their 16'' 7mm Bayonet Beam Wiper Blade shows that they come with a J-hook adapter: https://ancowipers.com/media/pdf/anco-contour-beam-wiper-blade-installation.pdf - don't know if that adapter will work with any other blade.

Bosch website says Clear Advantage blades are N/A for 1980 GMC K1500. I asked Bosch if they provide a J-hook adapter. They didn't answer that, and instead suggested using their frame blades, which I don't want.

I'd still like to try the Clear Advantage, so then I found this store has the adapter available in Canada: https://www.myautovaluestore.com/anco/anco-wiper-blade-to-arm-adapters-anc-48-12

I'll let you know how it turns out.

you can also just put the later wiper arms and use the pin

 

[bucket]

I would have liked to get the ANCO adapter that @Turbo4whl suggested yesterday, but that website wants $92.57 USD shipping to British Columbia. Not doing it. ANCO customer support confirmed they do not sell these adapters separately.

ANCO's documentation for their 16'' 7mm Bayonet Beam Wiper Blade shows that they come with a J-hook adapter: https://ancowipers.com/media/pdf/anco-contour-beam-wiper-blade-installation.pdf - don't know if that adapter will work with any other blade.

Bosch website says Clear Advantage blades are N/A for 1980 GMC K1500. I asked Bosch if they provide a J-hook adapter. They didn't answer that, and instead suggested using their frame blades, which I don't want.

I'd still like to try the Clear Advantage, so then I found this store has the adapter available in Canada: https://www.myautovaluestore.com/anco/anco-wiper-blade-to-arm-adapters-anc-48-12

I'll let you know how it turns out.

That illustration in the Anco pdf looks like the correct adapters. With those, you can use any blade that is designed for use with the modern j-hook.

 

[Turbo4whl]

ANCO's documentation for their 16'' 7mm Bayonet Beam Wiper Blade shows that they come with a J-hook adapter: https://ancowipers.com/media/pdf/anco-contour-beam-wiper-blade-installation.pdf - don't know if that adapter will work with any other blade.

So if you buy Anco blades first, when they are worn out you will still have the bayonet to j-hook adapters. Then buy your Clear Advantage blades.

 

[AuroraGirl]

So if you buy Anco blades first, when they are worn out you will still have the bayonet to j-hook adapters. Then buy your Clear Advantage blades.

if you dont mind cleaning the blades and glass by hand periodically, you could get years out of a set of PIAA silicone blades
Because of how flat the glass is, frankly i dont see much reason in getting Beam
PIAA has a old style wiper with a aero cover that pushes it against the glass and provides lift while moving to make them 1) wipe just a little more fully 2) keep water from slipping up over the blade and falling in its path, which slower wipers in hard rain may be prone too possibly?

 

[AuroraGirl]

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they also sell refills

Also their "Si tech" has a bayonet adapter (not to a J hook, just lets you do it. looks flimsy tho)

 

[Turbo4whl]

if you dont mind cleaning the blades and glass by hand periodically, you could get years out of a set of PIAA silicone blades
Because of how flat the glass is, frankly i dont see much reason in getting Beam
PIAA has a old style wiper with a aero cover that pushes it against the glass and provides lift while moving to make them 1) wipe just a little more fully 2) keep water from slipping up over the blade and falling in its path, which slower wipers in hard rain may be prone too possibly?

For me, I like the the original metal wiper blades. Use them for years and just buy refills. I guess parts houses don't even sell refills any more.

 

[AuroraGirl]

For me, I like the the original metal wiper blades. Use them for years and just buy refills. I guess parts houses don't even sell refills any more.

Does anyone repop them? I think I only have one but maybe two if the other arm is in the 78 can.

 

[SquareRoot]

Squarebodies have the aerodynamic efficiency of a sheet of plywood and we're discussing the additional induced drag on an extra inch or two of wiper blade on the mounting pins? It's hard to make this stuff up. Put an LS (with 8 good cylinders) under the hood and you will forget all about your wiper woes.

 

[legopnuematic]

Squarebodies have the aerodynamic efficiency of a sheet of plywood

But, but, that’s not what the 73 brochure says!

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They were designed with the aid of a COMPUTER!

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