here is a list I found online
Dwight
Ford 289/302 V8 460 lb
(late 5.0s are a bit lighter)
Ford BOSS 302 500
Ford 351 Cleveland 550 lb
(includes BOSS and Australian 302-C)
Ford 351 Windsor 510
Ford Y block V8 625 lb
(272-312 CID)
Ford FE big block 650 lb
(332-428 CID)
Ford FE big block 670 lb (1) ('59 352 CID)
Ford 429/460 V8 640 lb
Ford BOSS 429 680 lb
(iron block, aluminum heads)
http://www.team.net/sol/tech/engine.html