Wisconsin engines military surplus

Trackman

New User
anyone had any expierence with military surplus Wis V4 engines? I was wondering about parts avail. and any quirks such as odd ignition sys etc. Thanks
 
Have heard others say rods and bearings are different in military versions. Possibly also crank and pistons or rings. I have MVG4D but it was rebuilt when it got it so need to tear into it yet. It has a 6V electric starter on it, a Fairbanks Morse radio shielded magneto and Zenith carburetor. Do know some of the parts for the radio shielded mags are expensive or hard to find but they can also be converted to a regular mag, wires and spark plugs too as I have done several of them that way. M in front of the regular numbers is a military version. M after regular numbers is a marine version.
 
The "inner parts", points, roter, condenser,
coil, on a military "radio Shielded magneto
should be the same as a standard magneto
 
Some inner parts on the mag are the same and some are not depending on which mag. Some of the radio shielded mags about only thing would be the same is housing, magnet, & impulse drive. Some use a different front bearing bracket for a roller bearing instead of a bushing and different points too. Most of the radio shielded mags use different condenser like aircraft mags and the cost is about the same as for aircraft mags too. Higher parts cost and whether they are available at all is usually why I convert many mags on those military or generator engines to regular type mags. Inner dist cap is different on some too but I have seen parts at times for the radio shielded mags on ebay or mag parts vendors may have most of them yet.
 
Have you had any luck finding parts? I just got a VH4D with a Gorman Rupp pump from military surplus and have been wondering the same thing about converting from shielded wires and such.
 

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