You'll twist the nose off the crankshaft trying to drive it, and a 6V71 blower will be WAAAYYY too big (too much air volume) to work right on a stovebolt engine. A blower for a 4-53 might be better suited to the engine size and the power output you're likely to need so the engine has half a chance of surviving. The physical size of a 4-53 will also be proportional to the stovebolt engine so the finished product won't look so grotesque.
Jerry

Last edited by Hotrod Lincoln; 01/28/2014 10:29 PM.
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