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[quote]QUOTE: Originally posted by edblysard GE uses 4 cycle engines already. EMD is a 2 cycle fan, because there are less moving parts, less maintainance, and they rev really quick, less stuff to have to drag around the crankshaft. But it involves reed valves, instead of moving intake and exhaust valves, lifters, and rocker arms. The new engine for the SD90MAC is a four cycle. But the old standard EMD will be around for a long time, they are very, very hard to break. Stay Frosty, Ed [/quote] Thanks Ed. Foe some reason I got the mistaken impression that the 4 stroke died with Alco. Could be because the magazine seems to rely heavily on the opinion of *** Dilworth, and from the in print examples I've read to date, that former EMD employee is somewhat less than objective, in terms of both GE as well as those German HYDRO units tried by SP and Rio Grande. As far as being an operator yourself, where does your opinion on 2 stroke vs 4 stroke fall?
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