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Antique Autos and Trucks

1918 Wisconsin T Head

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Old 05-01-2018, 06:20:24 PM
15max 15max is offline
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Default Re: 1918 Wisconsin T Head

It truly is a treat to see those. There was a time I would have loved to jump into a project like that. I hope you find the right people to have them.
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Old 05-01-2018, 07:40:03 PM
pre10 pre10 is offline
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Default Re: 1918 Wisconsin T Head

I am building two early race cars with this engine. One of my cars is missing the oil pan and oil pump. I would be interested in at least one of these, maybe all four. I sent you an email.
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Old 05-01-2018, 09:31:16 PM
tharper tharper is offline
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Default Re: 1918 Wisconsin T Head

Here are some figures and info from the scant Wisconsin literature I have:

The Model "A" was indeed a popular motor. As mentioned before FWD, Stutz and a host of other makes - what became known as "assembled" automobiles. The Marine version was called the "AM" and was a highly regarded motor. The major difference being the exhaust manifold and setup for a marine reverse gear running off what would otherwise be the front of the engine.

The 'A' used a pressurized oil system. Which in a era when many T-heads were splash only was high tech. Today we expect oil pressures of 30 to 40 psi but here we are talking high volume at low pressure (5 psi @ 1,000 rpm warmed up) The oil pump is external and driven off the camshaft by a vertical shaft. The type 'A' holds 7 quarts (my big "PT" takes 20!).

The 'A' shared the same bore and stroke and cylinder blocks as the "G" which was a six cylinder variant (I have yet to come across one of these!) Peak horse power was a little over 60 hp at 1,600 rpm (I am taking this off a graph)

The cylinders are fine grain grey iron with the cylinders and valves surrounded by generous water passages. The cylinder are bored, reamed and ground.

The crankshaft was balanced on a Norton Balance machine and connecting rods and pistons weighed and matched. Pistons are slightly tapered and the cylinders are offset slightly from the centerline of the crank.

Bearings are bronze backed babbitt that were hand scraped to fit.

After assembly each engine was run-in on a belt than run under its own power at an idle for "5 or 6 hours" than hitched up to a brake and run under full load for "at least 10 hours". They were then partially disassembled and inspected, the compression checked if all was "ok" crated and shipped.

Like many manufactures of the era these engine were assembled by a "fitter" who would carefully assemble an engine in its entirety before moving onto the next - carefully filing or lapping parts as required to get the best fit.

They don't make them like they use to!
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Old 05-04-2018, 01:18:35 PM
Bud Tierney Bud Tierney is offline
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Default Re: 1918 Wisconsin T Head

That engine series seems to be A---AI---the AM mentioned above---and AU, per a 1930 McCord catalog showing the four, all 43/4x51/2, lumped together for gaskets...
A 38 Victor catalog also shows a couple apparently different engines:
AS 4cyl 5x61/2, an en bloc (one illus head gasket)...
A5 4cyl no b/s shown, no head gasket illus (unusual) but lumped in with B52 and B53, which don't appear elsewhere...but there are B2 4cyl 51/4x61/2 and B3 4cyl 51/2x61/2...
OOPs...a 30 wrist pin catalog shows an AG with the AU, the 43/4 bore...
Sounds like they had a version for everyone......
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Old 05-08-2018, 11:50:16 PM
continentalk4 continentalk4 is offline
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Default Re: 1918 Wisconsin T Head

Hang on the Stutz restorers are going to beat a path to your door!
Another possibility is all of the FWD's out there minus an engine because it was taken out for a Stutz.
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Old 12-03-2018, 12:45:15 AM
bobs1918 bobs1918 is offline
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Default Re: 1918 Wisconsin T Head

Anything left of those T head engines? parts I am restoring an FWD.
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