Jim,

Looks to me like you have a 261...

Block 3733950 = 54-55 ALL (261) (1st Ser.,)

Head 3836850 = 54-62 ALL (261).

The date code J 190...J = Month, 19 = Day, 0 = Year (1960)

Hope this helps,

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD