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Super T10

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gnrand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gnrand Quote  Post ReplyReply Direct Link To This Post Topic: Super T10
    Posted: Feb/10/2020 at 8:58pm
I have the opportunity to buy a Super T10 for my 68 AMX. It is 3 groove 26 spline. The only reason for considering this is to get to a 2.64 first gear to help with a 3.15 final gear ratio. I think I would also need a different clutch. Am I missing something to do this conversion and is it something I should pursue?
Thanks
Jeff
1968 AMX X
1986 Buick GN
1965 Corvair Corsa
1966 V8 Corvair
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rodhhrod View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote rodhhrod Quote  Post ReplyReply Direct Link To This Post Posted: Feb/10/2020 at 9:52pm
Super t-10 is a myth, 3 groove is usually a 264, great with 3:15's
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mark09 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mark09 Quote  Post ReplyReply Direct Link To This Post Posted: Feb/10/2020 at 9:58pm
I'd worry about the 26 spline input, normally amc had 10 spline. 
Could be GM and different output shaft count and shorter input length. 
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Trader View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Trader Quote  Post ReplyReply Direct Link To This Post Posted: Feb/11/2020 at 6:37am
Adapting your transmission to the Super T10 gear ratios.
The clutch and slip yoke are really not a problem, mounting the GM case to your bell would be.
As the article states, you can swap the guts.
There is an internal bearing, as memory serves, that also has to be changed to do this.

Went through some old notes. The input shafts are different lengths but the note states to buy a truck extended pilot bearing that is double the length of the standard bearing. The only problem is the notes don't state what truck, I'm assuming a it's a Ford as Jeeps don't have extended bearings. An older transmission shop may be better help on this. Should have kept better notes!


Edited by Trader - Feb/11/2020 at 7:53am
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1970390amx View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1970390amx Quote  Post ReplyReply Direct Link To This Post Posted: Feb/11/2020 at 2:59pm
Not the cheapest way to put a trans in a amc, Sounds like the trans is a GM T-10, Quicktime makes a bell housing to bolt a Gm four speed to the amc engine. Shifter location mount and driveshaft would still need to be addressed 
1970 390 4speed Bittersweet shadow mask AMX
1970 Amx missing most everything, or in a box
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bbgjc Quote  Post ReplyReply Direct Link To This Post Posted: Feb/11/2020 at 3:15pm
I recently rebuilt a 75 GM Super T-10 for a friend.  I decided that I would tear down an unmolested AMC T-10 and compare notes.  

Long and short of it, no go with out considerable work and expense.  Mainshaft different, input shaft different, gears different.   Idler shaft and reverse gear the same.    Bearing and thrust washers are different.

Parts are getting harder and harder to find if you need gears.  It took me three years, back in 08,  to get a complete set of NOS gears for my 70 AMX.

You'd be better off getting a Tremec T-5 and Quick Time bell housing and really having fun.
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PHAT69AMX View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PHAT69AMX Quote  Post ReplyReply Direct Link To This Post Posted: Feb/11/2020 at 6:51pm
Try contacting Brian Higgins by telephone at S&K Speed Transmission Shop in Lindenhurst, Long Island, New York for anything and everything AMC T-10
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rodhhrod View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rodhhrod Quote  Post ReplyReply Direct Link To This Post Posted: Feb/11/2020 at 9:33pm
So my question is, is the opportunity to buy a GM super T-10 or is it a T-10P and the seller says its a super T-10. As far as I know AMC DID NOT have a super.
Someone please educate me.
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PHAT69AMX View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PHAT69AMX Quote  Post ReplyReply Direct Link To This Post Posted: Feb/12/2020 at 11:41am
Only from reading, no hands-on, Ford, GM, etc used Borg Warner T-10 earlier than AMC.
Then Ford, GM, etc stopped using them, went with Muncie, etc.
Then AMC started using the T-10 with some differences from the original, the mid-T-10 I call it.
Then sometime in the ? mid-70's ? GM and others went back to using the T-10
and it was different than the AMC mid-T-10.
The last version used by GM & others was called or labeled as the Super T-10,
not the middle version that AMC used.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote amc67rogue Quote  Post ReplyReply Direct Link To This Post Posted: Feb/13/2020 at 2:31pm
There are 3 versions of the Super T-10 . The first version came out in (1965 NOT 1975) as the ( S1). They had course pitch gears, a 1/8 thrust flange between 2nd & 3rd gears and solid strut keys . Ford and AMC used it . Fords ratios were 2.64 - 2.10 - 1.50 -1.0 then Ford went to the Top Loader.  AMC ratios were 2.43 1.76 1.46 1.0  used in 65 and 66,and yes there was a torque tube model. In 67 Am ratios changed to 2.64 2.10 1..46 1.0 . In 68 they went to the 2.23 1.76 1.35 1.0 ratios. In 72 the (S2) came out , it had a quarter in thrust flange between 2nd & 3rd and 2nd gear was back cut 1/8 to allow for the wider flange .   In 75 the S3 came out. The counter shaft was changed from 7/8 to  1 in.  
Keith Coggins 67Rogue X code
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