A lil more time researching would be a cool idea ....http://bonforums.com/books/updates/engine_families_general.pdf tells us......
SMALL BLOCK WINDSOR
(1962-1965) 5 transmission bellhousing bolts, 2 freeze plugs on each
side of block and 6” between each motor mount holes.
(1965-Current) 6 transmission bellhousing bolts, 3 freeze plugs on each
255, 289, 302, 302 Boss, 351W side of block and 7” between each motor mount hole.
<Read here >
SMALL BLOCK 335 SERIES 351M/400 engines use the same bellhousing flange as
(1970-1974) the 429-460, all others use the 6 bolt Windsor flange.
351C, 351 Boss, 351CJ, 351M/400
BIG BLOCK “FE” SERIES 2 motor mount holes - generally limited to Galaxies and
(1958-1964) Thunderbirds only. Pre 1963 blocks did not have a hole
332, 352, 361E, 390, 406, 427 for mounting an alternator.
(1965- end of production) 4 motor mount holes per side of block.
352, 360, 390, 410, 427, 428
BIG BLOCK “385” SERIES
(1968-Current)
429, 429 Boss, 460
ENGINE FAMILIES
if ya still don't believe me.....
http://phystutor.tripod.com/stang/engines/cleveland.htmlI do engines all day long, its my living.
I do know that a C is not a big block
nuff said