you
Active Member
whats the best way to determine if a 727 is for a b.b or a s.b. any one have a site where i can docode a mid 80s to prsent trans. thanks for any help
727 help???????
- Thread starter you
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green1
Well-Known Member
Search, I can't remember. Measure across the 2 top holes.
green1
Well-Known Member
If in a hurry, I can run to shop and tell you sb #
you
Active Member
no hurry but really appreciate it. ive been tryn to decode this damn thing for days. cant find anything that goes above early 80s. im puttin it behind a 360. i jst read a s.b is 7.25 and a bb is 6.50 between the top 2 bolts. sound rite? i also noticed thers a top center bolt hole in the block but nothin top center of the trans (bare w me this is my fist resto l.o.l) there is a square indent left of center on the trans. thanks for any help
green1
Well-Known Member
Just checked, 7 5/8" center to center on sb.
you
Active Member
great thanks. so as long as its a sb it will bolt up? year dosnt matter?
green1
Well-Known Member
Just whether a lock-up or not.
you
Active Member
great!!!!!!!!!! now im realy lost lol
moper
Well-Known Member
Mid 80s wont be a big block unit... they went away in '78. Lockup units have a different step on the input shaft for the convertor's clutch. Post a pic of the input shaft...
............A bb will have 4 1/4 in bolt holes along the bottom half of the bell to attach the inspection cover, the sb will have 3 1/4 in along with 2 7/16in bolts as they also have support brackets from the trans to the engine............kim..
Tacfire11
Strike Hard, Strike Deep
Crazy Question, but what did Mopar consider a small block? 318 or a 400? So I'm assuming then a 383 and above would be a big block.
mprtrpr
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