Posted by pete 23 on February 14, 2010 at 10:29:25 from (173.87.0.197):
In Reply to: m head swap posted by lee. s on February 13, 2010 at 20:42:41:
A 400 gasoline head will give you a considerably higher compression ratio than you have with a kerosene head. Should gain a few ponies. I think I would try both carburetors to see which one gives you the best performance. As the 400 used a 25 degree spark advance at full throttle, you may need to adjust your M ignition. Most M's used 40 degree with battery ign and 35 with magneto. Bore size will also affect comp ratio. I would only resurface head if it is needed for flat true surface
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Today's Featured Article - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a
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