Os 160
11-02-2002, 04:50 AM
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Os 160
On a German forum a modeler that just received two OS160s from the USA is under the impression that there are 2 versions of the engine, an old and a new. He is not speaking of the FI version. He wants to know if this is true and if it is, he would like to know what the differences are. One of the engines has the letters SP stamped on one of the lugs. He would like to know the significance of this.
