I think this is right but don't take it as gospel
69-70 mach 1
351 2v, 351 4v,(winsor in 69, switch to cleveland shortly after 70)390 2v and 4v, 428 cj.
71 mach 1
302, 3 different 351's (mix if W and C) 429.
72-73
302, 3 differnt 351's
Power levels dropped steadily form 71-73 as emission requirements and switch to unleaded in 72 killed power.
|