Posted by Vaughn on Monday, March 08, 2004 at 10:45PM :
In Reply to: Synchromesh transmission posted by Robert on Monday, March 08, 2004 at 1:16AM :
If the tansmission from the 54 has 38711 cast by the left mounting ear, it's a non-sycro "Big Spur" transmission. The NP420 (syncro) will have front/rear bearing retainer plates where the counter shaft is.