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the AW71 bellhousing CAN be swapped, you just remove the pump and first gear set and swap those over into the other trans
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the AW71 bellhousing CAN be swapped, you just remove the pump and first gear set and swap those over into the other trans
the old aw-55 (borg warner bw55) used in old 240's does have a seperate bellhousing, a seperate bellhousing that shares the trans bolt pattern with an aw30-43 and the engine bolt pattern with a redblock...
...
any thoughts? has the idea been discussed before?
right but the pump is integral to the housing and would be useless if trying to use a trans different than another aw7x right?
no the pump is not integral to the housing, the aw7X just has the pump and OD assembly in the "bellhousing".
No I don't believe it has been discussed here and I think that is very interesting.
I also wonder if the 960 driveshaft would work. Probably not....
edit:
Is that the same ultra-slush box that came in 144s? Does the B21/23/23x family have the same transmission bolt pattern as a B18/20 ?
ah sorry integral is the wrong word i was trying to say inside and expand my vocab at the same time but i failed. so can anyone come up with torque ratings for the aw7x variants? and after polishing a turd, you still have just that, a polished turd, so would any of the variants be worth the trouble...?
no need to mod a 960 driveshaft, you should be able to flip-flop parts and bolt the bw55 tailshaft housing on there...
that slushbox 3spd came in those cars as well as 240's up until like '83 or so, it was the predecessor to the aw-7x, has a redblock boltpattern... b20/b23x have the same bolt pattern anyway.
borg warner morphed into aisin warner... before the bw55 was phased out it was renamed the aw-55
i don't particularly plan on swapping in an auto (any time soon) i am just trying to bring ideas to the table and i KNOW someone here has a bw55 laying around to play with the bellhousing. at least a bw55 bellhousing is a closer match to a housing that may be adapted to use a different trans... just trying to think outside of the box and bring ideas to the table..
renny D said:Looking at this it seems like reducing the governer pressure would net us the later shifts and the ability to down shift from a higher rpm (not just thinking drag racing here) without raising line pressure too much. That should also mean that when manually shifting the shift would happen when you tell it to. So less line pressure - more clutches would be the best option. On a related question what would keep us from using one of the b&m type shifters on our cars? Do GMs shift in a very different way? I know when doing the shift kit in those it's just removing a couple of balls and it's a fully manual valve body - not more automatic shifting up and down. What would it take to make our trannies do that?
Call it what you will, the supra (a34X, actually) auto trans is a beast, and has a higher rating than any of the gearboxes that are currently popular swaps. To get a gm transmission that will perform and do what you'd want it to do with some assurance that it'll last you're looking at spending a large amount of money to adapt something that may or may not last any longer than intelligent modifications to what can already drop in, so to speak.
that is what i am saying though, a supra trans is a aw30-40 variant, not a aw71 variant... it is specifically extremely close to the 960 trans and according to wiki, they are the same trans.
http://en.wikipedia.org/wiki/Toyota_A_transmission#A340E_.2830-40LE.29
so therefore not a turd and i am trying to think of ways one might be able to mate it to a redblock.
i.e. use a bw55 bellhousing on the A341e late model supra turbo trans, figure out the torque converter setup needed, use bw55 tail housing and bolt to redblock.
or just get a 960 box, put the extra clutch thats in the supra turbo trans in it, and rock out
While you're in there you could replace the stock frictions with some nice stuff.
not to mention there is soooo much aftermarket **** available to beef up the aw30-40le... even the jeep guys claim kits that will stand in excess of 650lb/ft torque.
i thought the supra auto tranny was a 5spd?