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Vacuum Wipers ~vs~ Electric Wipers; debate and experiences with the wipers
Topic Started: Aug 24 2009, 09:18 PM (1,521 Views)
Brian's 58 3b
Member
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Getting to the end of my build the question has arisen on what type of wiper, vacuum or electric. Remembering from my childhood vacuum wipers were slow at stop lights while the engine was at an idle. Electric just plugged along at any speed.

I have to wonder how well vacuum will work coming out of a muddy situation if I am going down a trail at an idle or just above it.

I am running a V6 with a good source for vacuum.

I would like to hear some debate and experiences with the two types of wipers.
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Daryl
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When was the last time you saw vacuum wipers on a new car?
Lotsa Jeeps, and a few extra parts
In Bonney Lake, Washington
Always willing to look at a Jeep for you BEFORE you buy it to check it out.
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oldtime
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MODERATOR
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Daryl,Aug 24 2009
10:58 PM
When was the last time you saw vacuum wipers on a new car?


1967 CJ-5/6
Currently building my final F-134 powered 3B .
Rock Crawler using factory parts from the Willys Motors era (1953-1963)

http://s4.zetaboards.com/CJ3B_Bulletin_Board/topic/30228766/1/#new
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jeeper50
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ol' skool jeeper jeff
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I'm keeping my vacuum wipers just nostalgic reasons. If you go electric the hot item is marine wipers that have more than 90deg swing (cheap JC Whitneys have only 90 deg swing)
In the land of the blind... the one eyed man is king
Texan at heart, Georgian by paycheck

'53 CJ3B, F134, 12v alternator, lockrights, Hot-Spark electronic module,11"self energizing brakes, Belleview winch, Beachwood summertop, OD color, built to honor all Veterans of this great country


Kayaks- Hobie Revo 13, Hobie Outback 12' both ready for the salt...
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jyotin
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I like vacuum wipers. Now, electric are probably better, but I like how the wipers slow down when starting from a light and speed up when going downhill.

It just 'sorta fits' with an old car.
It's just my luck that something good is going to happen to me today.
54 - 3B - down on the farm
67 - cj6 - former state of Alabama vehicle
?? - cj5 T98a - made from spare parts - Ford tractor blue
?? - cj5 T98a - made from spare parts - Jeep green
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Larry (TX)
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Brian,

Obviously running a V6 anyway, you're not that concerned with originality, so my recommendation would be to go with the electric wipers, and if the jeep is a frequent driver, install an intermittent switch to control them. Electric motors are constant, even in hard rains, thus you'll never regret using them (vs. the vacuum).

Another suggestion if you go the electric route, buy marine grade wiper motors as they're sealed against moisture contamination and generally come in kits with stainless accessories and brass securing nuts; (a bit more expensive, but they'll usually outlast the automotive kits).

Larry S.
Larry Steed
Pearland, Texas
'53 Willys CJ3B
'52 Willys M38
'86 Chevy M1009 CUCV (K5 4x4 Military Blazer)
M100 1/4 ton jeep trailer
M416 1/4 ton jeep trailer (2 ea.)
M101 CDN 1/4 ton jeep trailer
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Brian's 58 3b
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Thanks Larry
I did not know about the marine wipers. How does the bolt pattern match up?
I got lucky and found a tilt out windshield in a barn. I think it has never been mounted. The guy put 2 complete vacuum wipers in with the deal. They are OEM NOS they were in individual boxes marked Wills Kiser. Complete down to the OEM blades. Your right about the V6 and being stock maybe they would serve some one else better.
Thanks for the reply
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Doug
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Meridian, Idaho
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Brian,

Here is the wiper motor that I went with: Marine wiper motor

There was a different one that I wanted to go with that seemed heavier duty, but they were about $200 a pop. The problem that I had was finding correct wiper arms; it was really tough to find arms that were short enough. I eventually found arms and blades on Amazon.com. I used a Cole Hersee wiper switch and it all seems to work fine so far. I added a quick disconnect (see pic below) so that I can still put the windshield down. The wiper blade currently barely hits the hood if I lay the windshield down, but that is because my hood blocks are not as tall as they should be. Let me know if you're interested in more information.

Posted Image


1963 CJ3B - F134 Hurricane, T-90C, D-18, 5.38s, Overdrive, 938YF, 12V alternator
1969 CJ5 - Dauntless V6, T-14, D-18
2004 TW 200
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topfueler1
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Real 3B Jeeps have vacuum wipers!
Kevin my M606 is dedicated to the Vietnam War and the POW-MIA. MVPA and MTA member.
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Oswald
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No votes for Manual? I run a manual assist wiper on my 3B.
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Larry (TX)
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Doug,

Please post a photo of the motors mounted on your w/s.



Brian,

The electric motors mount up pretty good using the same holes in the w/s; however, most that I've seen and mounted use only the center shaft hole and a single machine screw on one side of the motor. Another thing you want to make sure of is that the shaft of the motor is long enough.

Now for the problem with the flip out style w/s using electric wiper motors: if mounted in the original vacuum brackets (and they line up really nice), the top of the motors will end up being too high and as a result, the inner frame will flip out and up only an inch or two, (the top of the motor will strike the outter frame above the motors). What I'm finding on these w/s's is that the motors have to be inverted if you want the inner frame to flip completely out as it was designed to.

If you already have the vacuum wipers and they're new, I'd go with them since they mount up so well and then you can always change them out if they don't perform to your satisfaction. If you had a standard w/s and didn't have the vacuum wiper motors, then is when I'd go the electric route, (sorry for any confusion, but I wasn't aware of what you had).

Larry S.
Larry Steed
Pearland, Texas
'53 Willys CJ3B
'52 Willys M38
'86 Chevy M1009 CUCV (K5 4x4 Military Blazer)
M100 1/4 ton jeep trailer
M416 1/4 ton jeep trailer (2 ea.)
M101 CDN 1/4 ton jeep trailer
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Doug
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Meridian, Idaho
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Larry,

Only have the driver side motor right now. I'll get around to the other one, but we get so little rain here that it's not a priority. It mounts using the threaded shaft and it also has a bracket on one end that I haven't bolted down yet. Works just fine the way it is. It is two speed and has adjustable sweep.

Posted Image

Posted Image
1963 CJ3B - F134 Hurricane, T-90C, D-18, 5.38s, Overdrive, 938YF, 12V alternator
1969 CJ5 - Dauntless V6, T-14, D-18
2004 TW 200
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Larry (TX)
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Doug,

Looks like some very nice (high dollar) motors you have. They sure mount much easier at the bottom of the standard w/s than they do at the top of a flip out w/s.

A lot of the fellows around here with vintage autos and trucks, use Rain-X on their w/s's and never worry about wipers. I was impressed with how well that stuff actually works (I now use it on my jeep w/s's).

Larry
Larry Steed
Pearland, Texas
'53 Willys CJ3B
'52 Willys M38
'86 Chevy M1009 CUCV (K5 4x4 Military Blazer)
M100 1/4 ton jeep trailer
M416 1/4 ton jeep trailer (2 ea.)
M101 CDN 1/4 ton jeep trailer
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HOGHEAD
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Old Jeep Fart
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I had vacuum on my 63 Willys pickup worked fine as the fuel pump on the I-6(230) had a vacuum pump on top of it ,, but when the V-8 was installed they would all butt stop when you left off it ,,I went with a electric upgrade from Jeepsterman.com ,,,, So since Im installing a V-8 in my 3b I vote for the Electric wipers as its going to be my daily driver.. I bought mine from QUADRATEC Haven't installed them yet but they look well made,, dont know if they are 90 or 90 plus degree,,,,
Dargan Md...
Death Before 2 Wheel Drive...
"On a Steel Horse I ride"
AMC Rules.
"Journey" not the Destination...
59 Cj3-b (married to a 74 Cj-5 frame & AMC running gear)
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Willys Overland,,

My Build http://z4.invisionfree.com/CJ3B_Bulletin_B...?showtopic=2892
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OZ-JEEP
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Like Oswald I also have a manual wiper
and like Doug I only have the drivers side.
It keeps it road legal ,works when needed and I attempt to limit my wet wheather driving. It is a marine grade unit.
O.G. "OZ" Findley
1954 CJ-3B
1970 Jeepster/Commando
Michigan
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