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transmission c6

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doby View Drop Down
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    Posted: 21-December-2018 at 2:18AM
i have a 93 5.o engine  i want to put a c6 behind it from the 70s what would  i need to make it work balancer up front is a 50 oz just need help on the back just dont know wh
ich flexplate to use






















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ex












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Rockatansky View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rockatansky Quote  Post ReplyReply Direct Link To This Post Posted: 21-December-2018 at 6:19AM
C6 needs a 164 tooth 14.23" diameter flex, weight needs to match the engine, and both the flex and the converter need to have a compatible stud pattern. when the time comes mock everything up before trying to assemble it in the car. check the crank pilot diameter compared to the converter pilot, fit the converter to the flex on the engine checking for drain plug clearance if needed. if the flex doesn't have a hole for the drain plug you can drill it. if you get that far, as always the converter needs to be loose in the flex stud holes with the engine and trans mated, no pulling the trans with the bolts!

due to the 50oz requirement Summit singles it down to this one,


there may be others that will interchange but for whatever reasons the Summit page doesn't have enough info to tell, call TCI and ask if they cover the application i think they might. don't forget the 164 tooth block plate and proper size converter nuts, some aftermarket converters use oversize studs ;)



Edited by Rockatansky - 21-December-2018 at 6:21AM
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 21-December-2018 at 6:19AM
any reason you'd rather use the c6 over a c4? you lose about 50-60 hp usin the c6. to use the c6 you need the proper 50 oz flexplate. They had c6's behind the 82 and newer 50 oz balnced 302's. I had one in a 82 f150 and it was a total SLUG, think the motor started out with around 120 hp, had a c6 and then a 9" rear in it, was lucky to have 50 hp to the wheels i bet lol 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote doby Quote  Post ReplyReply Direct Link To This Post Posted: 21-December-2018 at 9:17AM
i got two small block c6 will trade for one decent c4
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Post Options Post Options   Thanks (0) Thanks(0)   Quote doby Quote  Post ReplyReply Direct Link To This Post Posted: 21-December-2018 at 9:28AM
so what year of c4 would i use and flywheel all help needed























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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rockatansky Quote  Post ReplyReply Direct Link To This Post Posted: 22-December-2018 at 3:55AM
i'd at least go to a hydraulic AOD and get the overdrive

whatever trans you get make sure it's a V8 version, they're beefier inside than the 6 cyl units
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 22-December-2018 at 6:51AM
if you want a OD trans, get one from a 98-2002ish v6 mustang (2002-ish is when they switched from cable speedo output to electric, so if you want to keep your cable speedo you need one from before the change), much stronger then a aod but you will need to wire up soem switches or buy a controller for the lock up and other electronic functions. the v6 torque converter does stall a bit higher then the v8 models which is a added bouns and guys have run these junkyard v6 trannies up to 500+ hp with no problems.

as far as what c4 and flexplate, just need to make sure the flexplate is for the 82 and up 50 oz balance 302 and you also have to watch the tooth count on it and make sure it all matches up. they have 157, 164 and I think they made a smaller one back in the 70's for pintos and mustang 11's but i'd look for a c4 from about the late 70's to early 80's era.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote californiajohnny Quote  Post ReplyReply Direct Link To This Post Posted: 22-December-2018 at 7:50AM
 my AOD has no electronics i pulled it from a 83 E150 van. it had wrecking yard writing on it saying it came from a 84 cougar so right in that era should be the same, almost a direct bolt in Wink (swapping from a FMX)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 22-December-2018 at 11:06AM
Originally posted by californiajohnny californiajohnny wrote:

 my AOD has no electronics i pulled it from a 83 E150 van. it had wrecking yard writing on it saying it came from a 84 cougar so right in that era should be the same, almost a direct bolt in Wink (swapping from a FMX)


yea that is true but i figgered since he was havin to swap a trans in, might as well go for the beefier setup.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Bird Quote  Post ReplyReply Direct Link To This Post Posted: 23-December-2018 at 11:19AM
Find a 4R70W from an F150 (2002ish) with the 4.2. It has all the V8 internals, with a 302-pattern on the bellhousing and a torque convertor that bolts up to a FMX/AOD smallblock flexplate. Stall speed is good for our cars as the weight is close and HP/Torque from the 4,2 are in the ballpark with a smallblock.
You will need an aftermarket controller.
MUCH sturdier than the V6 mustang unit.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 23-December-2018 at 11:31AM
Originally posted by Big Bird Big Bird wrote:

Find a 4R70W from an F150 (2002ish) with the 4.2. It has all the V8 internals, with a 302-pattern on the bellhousing and a torque convertor that bolts up to a FMX/AOD smallblock flexplate. Stall speed is good for our cars as the weight is close and HP/Torque from the 4,2 are in the ballpark with a smallblock.
You will need an aftermarket controller.
MUCH sturdier than the V6 mustang unit.


from what I have "read", the v6 mustang and v6 truck are the same trans internally, maybe even externally but I'd imagine the truck has a longer tail on it. the v6 torque converters stall should be a bit higher behind a v8, so perfect for a mildly cammed v8.


Edited by MrSmog - 23-December-2018 at 4:08PM
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Post Options Post Options   Thanks (0) Thanks(0)   Quote doby Quote  Post ReplyReply Direct Link To This Post Posted: 23-December-2018 at 11:52AM
controller yes i dont know
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rockatansky Quote  Post ReplyReply Direct Link To This Post Posted: 23-December-2018 at 2:46PM
the hydraulic AOD can be upgraded, starts life at the strength level of the FMX so it should handle a 5.0 no problem unless outright abused ...


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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 23-December-2018 at 4:10PM
Originally posted by Rockatansky Rockatansky wrote:

the hydraulic AOD can be upgraded, starts life at the strength level of the FMX so it should handle a 5.0 no problem unless outright abused ...




sure they can be upgraded but from the impression i got, the OP is lookin to just drop a good used trans in and go with it. thats why i suggested the 4r70w route.
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