I took the three speed transmission out of my 1946 pick up and installed the non syncro four speed. I have never regreted it. I use the pick up almost everyday and the granny gear is really handy for crawling along on rough ground. Double clutching makes it as smooth as a full syncro transmission. 1940 and 1941 are my favorite pick ups. It is great to see the nice work being done here to preserve them.