stroked88
NAXJA Forum User
- Location
- Carlsbad NM
how do you distinguish the 4.0 from the 4.0. did the 4.0 every have a mechanical fuel pump?
how do you distinguish the 4.0 from the 4.0. did the 4.0 every have a mechanical fuel pump?
258 crank casting numbers
1972-74__3214723________8120508 12 counterweights, 66lb, 64mm nose
1975-79__3214723________8125450 12 counterweights, 66lb, 64mm nose
1980_____3214723________8132619 12 counterweights, 66lb, 64mm nose
1981-86__3235477________3235444 4 counterweights, 46lb, 64mm nose
1987-90__3727___________53005535 4 counterweights, 46lb, 54mm nose
258 block casting numbers
70-'72: 3199962
'73-'74: 3218618, 3222380, 3213867
'75-'79: 3227445, 3224098
'80: 3235077
'81-'89: 3235444