Sponsored Links (Register now to hide all advertisements)
The number 2 and 3 are to indicate the Mfg. of the casting for Ford. They are identical and you can use either. The 33-early 36 distributor uses a different coil as does the late 36 distributor. The early distributor use different inner caps than the 37-41 distributor. Often the later distributor have the 11A weights (from 1941) and are marked such. These have a slightly better advance curve