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Wiper Vacuum

  #1  
Old 09-23-2018, 08:32 AM
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Wiper Vacuum

The PO had the wiper vacuum hose split with the distributor, I sent the wiper motor away to be rebuilt and connected the distributor directly. The difference was very noticeable, she ran smoother. I can only find one place on the intake (8BA-8RT) for vacuum, is this standard? How was the wiper vacuum plumbed from the factory? Thank you!

Carb and Intake Manifold

Intake Manifold
 
  #2  
Old 09-23-2018, 08:52 AM
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Have you installed the rebuilt wiper motor?
 
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Old 09-23-2018, 08:59 AM
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No, the rebuilt motor is being shipped back.
 
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Old 09-23-2018, 09:25 AM
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You may find that once you reinstall the wiper motor your problem will disappear, happened with mine, air was being drawn through the wiper motor
 
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Old 09-23-2018, 10:37 AM
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I guess my real question is how did it come from the factory? The gentleman that rebuilt the wiper (Wiperman) said it was best to have the wiper and distributor on different vacuum hoses.
 
  #6  
Old 09-23-2018, 11:54 AM
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Mine is a 6 cylinder 226 CI motor and the dist vac tubing is up higher than the wiper vac hose that is under the carb on the manifold
So there are 2 on mine. The wiperman did mine and a very good job
 
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Old 09-23-2018, 01:04 PM
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I think I figured it out, the vacuum port on the carburetor was blocked. I need to get the insert for the carb and connect to the distributor. Thanks!
 
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Old 09-23-2018, 04:08 PM
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You guys with vacuum wipers have you given any thought of running a vacuum storage tank and a check valve?

This was used on newer cars & trucks think 70'd on for the HVAC systems mostly that had AC.
This way when pulling a hill the HVAC system did not lose vacuum to hold the vent doors where the control was set to.
Some look like juice cans some large and some half the size. Others are round plastic *****.

My 81 F100 with AC uses the half size can. It is teed in to the HVAC line with the check on the can side.
Just wanted to throw this out there and knowing how they work or don't work (67 Bronco with vacuum wipers) when pulling hills or even getting on the high way.
Dave ----
 
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Old 09-23-2018, 04:44 PM
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Not having wipers when going up a hill in the rain is part of the old truck experience
Ed
near Philadelphia
 
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Old 09-23-2018, 10:02 PM
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I bought a canister and check valve for a 70s truck and planned to use it on my 51, but found a NOS 6v wiper motor and installed that instead.
 
  #11  
Old 09-24-2018, 09:15 AM
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Originally Posted by FuzzFace2 View Post
You guys with vacuum wipers have you given any thought of running a vacuum storage tank and a check valve?

This was used on newer cars & trucks think 70'd on for the HVAC systems mostly that had AC.
This way when pulling a hill the HVAC system did not lose vacuum to hold the vent doors where the control was set to.
Some look like juice cans some large and some half the size. Others are round plastic *****.

My 81 F100 with AC uses the half size can. It is teed in to the HVAC line with the check on the can side.
Just wanted to throw this out there and knowing how they work or don't work (67 Bronco with vacuum wipers) when pulling hills or even getting on the high way.Yes
Dave ----
Yes, I made a large reservoir from 4" PVC pipe and mounted it under the bed of my F4. It has enough volume to supply the wipers with 14 full cycles when the engine is turned off. It helps normal operation of the wipers. Anyone contemplating adding a reservoir, be aware the wiper motor is an air hog and size the reservoir accordingly.
 
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Old 09-24-2018, 09:37 AM
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Is there any way to improve the pressure the wipers have against the windshield? I find the wipers work very poorly on my 56 and gets worse the faster you go.
 
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Old 09-24-2018, 10:07 AM
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Originally Posted by 56panelford View Post
Is there any way to improve the pressure the wipers have against the windshield? I find the wipers work very poorly on my 56 and gets worse the faster you go.
i think Ross (Albuq F-1) has the part number for a Jeep Wrangler or CJ wiper arm that works.
 
  #14  
Old 09-24-2018, 10:12 AM
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I adjusted (bent) the arm to give more pressure to the blade onto the glass.
 
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Old 09-24-2018, 11:16 AM
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Originally Posted by 56panelford View Post
Is there any way to improve the pressure the wipers have against the windshield? I find the wipers work very poorly on my 56 and gets worse the faster you go.
I got new wipers from Mid Fiftyseveral years ago for my 54 and they didn't wipe very well. Matter of fact the old ones wiped better. Two years ago I bought a pair from Mid West Early Ford for my 55 and they wipe a lot better. The old wiper blades were done to the nub. These blades must have been on for many many years. They were hard to get off. I went to my local garage run by a couple of brothers. The garage was owned by their father. The younger brother said I think my Dad had a tool for this. He came out with a Trico wiper removal tool like a slide hammer. It popped the old wipers off in no time.
 

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