440 4-Speed Guys... Knowledge Please (A-Body)
440 4-Speed Guys... Knowledge Please (A-Body)
So I'm (hopefully) picking up a 440/6 next weekend. Assuming all goes well there, I'll be dropping that big pig in an A-body Swinger. (70-72)
Ideally I'd like to put a 4-speed in it, not really concerned with overdrive, however I want something that will hold up to some abuse.
Doing a lot of research, I'm reading a lot of conflicting info, the majority of it appears to be combinations that "should" work, I.E. advice from people that have not actually done it. Other than that mostly either A-body or B-Body specific combinations.
I'd like to avoid the 727, they are a dime a dozen sure, and I'd go that route as a last resort.
So....18 or 23 spline....from what I have read, both will work? (23's seem to be a dime a dozen)
Bell housings: TOTALLY lost here. No idea what size(s) I need, 10.5, 11, A body, B body, IBR hole(5.125" or 4.35" or 4.80")
And lastly, tailshafts. Not a clue here. I have no isues getting a custom made drive shaft, but as far as what is going to fit/work under an A-body....clueless.
I appreciate the help in advance fellas. I know I'm biting off a lot, and I'm green as hell. But I'd rather learn and do it the right way, than screw it up and do it 10x guessing.
If I'm missing anything else, let me know. I know it's going to take a lot to get this done right.
Ideally I'd like to put a 4-speed in it, not really concerned with overdrive, however I want something that will hold up to some abuse.
Doing a lot of research, I'm reading a lot of conflicting info, the majority of it appears to be combinations that "should" work, I.E. advice from people that have not actually done it. Other than that mostly either A-body or B-Body specific combinations.
I'd like to avoid the 727, they are a dime a dozen sure, and I'd go that route as a last resort.
So....18 or 23 spline....from what I have read, both will work? (23's seem to be a dime a dozen)
Bell housings: TOTALLY lost here. No idea what size(s) I need, 10.5, 11, A body, B body, IBR hole(5.125" or 4.35" or 4.80")
And lastly, tailshafts. Not a clue here. I have no isues getting a custom made drive shaft, but as far as what is going to fit/work under an A-body....clueless.
I appreciate the help in advance fellas. I know I'm biting off a lot, and I'm green as hell. But I'd rather learn and do it the right way, than screw it up and do it 10x guessing.
If I'm missing anything else, let me know. I know it's going to take a lot to get this done right.
No, only the fine spine and it was good enough for 440 a body's in 69.
As an edit I should say not that I know of, all the production cars used the fine spine.

As an edit I should say not that I know of, all the production cars used the fine spine.
Last edited by Iowan; Feb 7, 2017 at 05:59 PM.
I have no issues running a 23 spline, so long as I know that it will work and be reliable.
Clutch selection can help with durability also.
I had a friend years ago who's brother had a bb, 4sp, 67 Corvette roadster, car had power to run mid 10s but he would soft shift it and run consist 11.tens and win regularly, all with the stock ten bolt rear end!
He couldn't get parts good enough to make the rear axle survive so he adjusted his driving stile.
Well I picked up the 440/6, so I definitely need to find a A833 4 speed. Still don't have a car picked out but I have a few prospects, and as much snow as we're getting dumped on us right now won't be getting a car any time soon, anyway.
-- I saw You in The FABO Forum a little while ago. - You should be able to find a Swinger Project, over there.
I may end up taking you up on that, Iowan, right now I'm trying to lock down a car tho, so it'll probably be a while before I get to that point. What specifically do you have, and prices? (I can PM you my cell or email if preferred.)
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