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Borg-Warner T-10 Gear Question

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billd View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote billd Quote  Post ReplyReply Direct Link To This Post Posted: Dec/05/2007 at 11:01pm
In any transmission situation, to change a gear ratio, you must change driver and driven.
In this case, the driver is on the input shaft.
Can mean changing cluster or other gears - can get really tough to find parts as you need to find both "gears".
The input shaft is tough as that can be company specific - needs to match clutch splines, shaft diameter, pilot or nose size, etc. Internal gears are less often car maker specific.
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stu in wichita Quote  Post ReplyReply Direct Link To This Post Posted: Dec/06/2007 at 12:30am
Thanks for the info, even though it's not what I wanted to hear.  I kinda figured it wouldn't be simple.  I guess I'll be on the lookout for a complete tranny.  Meanwhile, I think I'll have mine freshened up. 
 
I always tell my AMC friends that part of the fun is the challenge of finding parts.  Funny, but it doesn't seem like as much fun when it's me looking for the parts!!!
 
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 12Gauge Quote  Post ReplyReply Direct Link To This Post Posted: Dec/19/2007 at 4:33am
Guys:
Santa Arrived!
My refurbished 2.64 ratio T-10 is here at home with me.
Looks perfect and the shifters all work on the bench.
 
Sent my Hurst Comp-Plus shifter to Mike Semeraro for a rebuild.
Mike will be fitting me out with new shift levers, cleaning up the linkages and doing a shifter rebuild as well.  Also he will be fitting out with a new shifter stalk (round Hurst).
 
When the refubished shifter comes back (probably March) then I will do the trannie install. 
 
 
 
 
 
Art In Connecticut

Nothing Lasts Forever... If you give it enough TIME

1968 AMX 390 4-Speed

1991 ERA Cobra Replica - 428 & Toploader

2016 Tesla P90D with Ludicrous Mode

2011 Volvo XC60
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PHAT69AMX Quote  Post ReplyReply Direct Link To This Post Posted: Dec/19/2007 at 6:51am
Ho Ho Ho, Merry Christmas 12Gauge.
 
Can't wait to see the video of your super-nice car doing a big nasty burnout this spring.
 
Cool
 
HotRod


Edited by PHAT69AMX - Dec/19/2007 at 6:53am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CloudyB Quote  Post ReplyReply Direct Link To This Post Posted: Dec/19/2007 at 12:30pm
Your in good hands with Mike. Got mine back from him oh about 3 weeks ago.Last Saturday took out the old and put in the so called new.(12 hours)
lol.I had to call mike about 3 times on a Saturday afternoon.He was there for me every step of the way.
 
I think his # is unlisted now.JUST KIdding.lol.
Product was great
Customer Service great
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 12Gauge Quote  Post ReplyReply Direct Link To This Post Posted: Dec/19/2007 at 9:04pm
Yes Mike is a real nice guy an a true credit to the AMC community.  I am blessed as he is usually at many of the AMC shows and other large shows here in CT which have vendor areas.  He is working on his own AMC resto project and that is sucking up alot of his time.
 
Art


Edited by 12Gauge - Dec/19/2007 at 9:05pm
Art In Connecticut

Nothing Lasts Forever... If you give it enough TIME

1968 AMX 390 4-Speed

1991 ERA Cobra Replica - 428 & Toploader

2016 Tesla P90D with Ludicrous Mode

2011 Volvo XC60
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 70 Donohue 390 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/20/2007 at 3:42am

Do the case ID numbers compute to what ratio I have? I bought a set of 315's off Kirkwood for long distance cruises. The 390 ratio puts me at 4k @ 65-70 mph.

I hope I don't have to pull the trans to find out since I just put a new clutch in it in July 07.
67 Rogue 290 Convert

70 BBO 390 5 Speed Javelin-under construction
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 12Gauge Quote  Post ReplyReply Direct Link To This Post Posted: Dec/20/2007 at 6:03am
Ron:
 
There is a very easy way to find out what internal gears you have (assuming the trannie is out of the car)....
 
On the input shaft, with the 10 splines....
 
you will notice some faintish grooves that run "around" the splines...
 
2:23 grears have 5 such grooves
2.43 gears have 4 such grooves
2.64 gears have 3 grooves
 
If your case is aluminum (Super T-10)
Then
 
2.43 gears have one groove
2.64 gears have one groove
 
Thus in that instance of the Super T-10 or aluminum cased T-10 you have to turn the input shaft (with the trannie in first gear) and count how many times the input turns to turn the output around once.  Use a marker and paint a input groove and the input guide and tape the output shaft and mark it.


Edited by 12Gauge - Dec/20/2007 at 7:14am
Art In Connecticut

Nothing Lasts Forever... If you give it enough TIME

1968 AMX 390 4-Speed

1991 ERA Cobra Replica - 428 & Toploader

2016 Tesla P90D with Ludicrous Mode

2011 Volvo XC60
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 70 Donohue 390 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/22/2007 at 1:50am
The trans is still in the car and its a cast iron case.
Guess I'll wait till the next clutch change to check the gear ratios
67 Rogue 290 Convert

70 BBO 390 5 Speed Javelin-under construction
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 12Gauge Quote  Post ReplyReply Direct Link To This Post Posted: Dec/22/2007 at 8:43am
Yah well that would be the best method.  You cannot see those scribe marks in the nose stock of the trannie when it is inside the bellhousing.
 
Happy Holidays!
Art In Connecticut

Nothing Lasts Forever... If you give it enough TIME

1968 AMX 390 4-Speed

1991 ERA Cobra Replica - 428 & Toploader

2016 Tesla P90D with Ludicrous Mode

2011 Volvo XC60
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