There are a few Wisconsin sites on the web, I suggest your friend check them out. The difference between the V-4's was cubic inch displacement, thus horsepower. The "V" meant a V layout of the cylinders, the letter was engine size, and any Wisconsin with a "D" suffix meant it had stellite valves. My memory says all the V4 engines had a ring gear on the flywheel. Some had an electrical system with starter, others had a tin plate over the starter mount hole, some had cranks with a magneto, and some had a hand-wheel on the output shaft for starting. Wisconsin engines are incredibly well built, with tapered roller bearing main bearings, and put out their maximum horsepower at low RPM, as opposed to modern engines that must turn fast to get their rated power. Feed them clean air (both cooling and for combustion), clean fuel, change the oil, and dump some Marvel Oil down the intake before storage and they will last a very long time. Repair parts are hard to find, and expensive, but available for the most part. Jerry
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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