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Wisconsin Engines Single cylinder up to V4 engines.

Wisconsin Engines

Wisconsin 4cyl air cooled inline


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  #1  
Old 08-27-2009, 01:12 AM
Rob Charles Rob Charles is offline
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Default Wisconsin 4cyl air cooled inline

Hi All, I picked up an odd ball or what I think is an oddball 4 cyl Wisconsin engine.Its an inline air cooled . All of the 4 cyls I have seen are a Vee engine. Anyone have any info? I usauly collect bigger IHC engines but this little 4cyl is so neat it said "Take Me home"I'll try and get a pic.thanks Rob
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Old 08-27-2009, 06:09 AM
Phil P Phil P is offline
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Default Re: Wisconsin 4cyl air cooled inline

Hello

When I was a teenager I attended the traveling Wisconsin Engine training school for 2 weeks a year for about 5 years. The instructors always started the training session with some history. They informed us that Wisconsin built large water cooled engines as well as air-cooled engines that were larger that the ones that were offered at that time. If in fact that engine is a Wisconsin then it was built before WW2.

Could you post some pictures?

Phil P
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Old 08-27-2009, 08:52 AM
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vern0n vern0n is offline
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Default Re: Wisconsin 4cyl air cooled inline

You don't see many of the inline engines these days. I always thought they where cool. I forget what model they are. You might get a better response on the flywheel engine forum.
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Old 08-27-2009, 09:43 AM
Monte Stock Monte Stock is offline
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Default Re: Wisconsin 4cyl air cooled inline

Rob, Could you post some pictures? I would like to see your engine.
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Old 08-27-2009, 10:53 AM
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John Newman, Jr. John Newman, Jr. is offline
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Default Re: Wisconsin 4cyl air cooled inline

Depending on the Bore X Stroke you could have a Model AC4 or a Model AM4.
AC4:
2-5/8 bore x 3-1/4 stroke
16 hp @ 2600 rpm
Built 1934 - 1945
First 4-Cylinder in-line air-cooled valve-in-head engine.

AM4:
3-1/4 bore x 4 stroke
28.0 hp @ 2200 rpm
Built 1938 - 1944
4-Cylinder, Valve-in-head.
Part of AC4 Family but more HP.
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Old 08-27-2009, 02:21 PM
windrush windrush is offline
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Default Re: Wisconsin 4cyl air cooled inline

There was one in an Auction here in the uk last year, I was tempted but thought that it would be a bit thirsty! Also a four cylinder aircooled engine wouldn't be very popular at some rallies over here as they complain about single cylinder aircooled's I am afraid.

Pete.
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Old 08-27-2009, 07:04 PM
ar2stp48 ar2stp48 is offline
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Default Re: Wisconsin 4cyl air cooled inline

Had one a few years ago. I contacted the company--whoever was owner at that time--and received a very detailed letter as to date engine was produced and a nice manual for the engine. Seems the engine dated to early 1930's.
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Old 08-27-2009, 07:46 PM
Ed Malcom Ed Malcom is offline
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Default Re: Wisconsin 4cyl air cooled inline

Le Roi also made the same style engine and a lot of the parts are similar. The Le Roi had a cast iron base instead of aluminum. I have two of them, one a 1941 and a 1940 per casting dates. Ed the Le Roi man
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Old 08-27-2009, 08:43 PM
Zira Zira is offline
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Default Re: Wisconsin 4cyl air cooled inline

There were 2 AC4's at Portland on one trailer today, although one was not complete.'

I can e-mail you a manual if you need one. I would love to hear one run, I have seen a number of them but they either didn't run or (like today) the owner was no where to be found.
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Old 08-28-2009, 01:56 AM
Rob Charles Rob Charles is offline
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Default Re: Wisconsin 4cyl air cooled inline

Thanks all for the info. I'll get a pic or 2 over the weekend. This 1 isn't running either or at least not yet. The valves are stuck. Has Wisconsin on a name plate on the gov housing.I think it's an AC4.I did a little search of the archives and found a pic of a inline 4 but it's different than this 1 maybe its the bigger 1

Strange thing is it has a distributor and a place to put a Mag but no mag. I am not sure how the mag would have been driven. Coming out of the gov is a shaft with a vee belt pulley on it. I am wondering what that was used for . Doesn't need a water pump.Probably turns too slow to drive a generator. it has electric start on it or hand crank.no place for a generator. Clutched belt pulley out the back.Someone cobbled up a tank mount and some sort of instrument panel but that is going to go.Stromberg updraft carb.Looks like it would have had a fuel pump but thats gone.Any idea what pump it would use?A manual on it would be great as I need to take off the heads for valve work.PM me and I'll send you my emaill address or get it off of the sponser pageAny idea of the value of it?Thanks for all of the help. Rob
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Old 08-30-2009, 10:20 PM
Rob Charles Rob Charles is offline
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Default Re: Wisconsin 4cyl air cooled inline

Here are some pics.The cobbled up instrument panel and the tank mount got to go. Rob
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wisc 4cyl 1.jpg   wisc 4cyl 2.jpg   wisc 4cyl 3.jpg  
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Old 08-30-2009, 10:49 PM
Michaeljp86 Michaeljp86 is offline
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Default Re: Wisconsin 4cyl air cooled inline

Wow, thats a nice engine, should fit real nice in a lawn tractor.
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Old 07-23-2010, 06:47 PM
KenHilliard KenHilliard is offline
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Default Re: Wisconsin 4cyl air cooled inline

I am wondering if the distributor is an add on replacement for an original magnito set up.

Let me know what you learn. I am trying to attach an image of another wisc in line that was restored.
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Wisc      ac-1.jpg  
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