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T10 Identification Please

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6PakBee View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote 6PakBee Quote  Post ReplyReply Direct Link To This Post Posted: Jun/19/2016 at 10:29pm
Originally posted by ttrrogg ttrrogg wrote:

Had 2:64 transmissions sold all of them. been coming across 2:43 and 2:23 transmissions now and then finding mostly at large swap meets most non AMC people have them and don't know what they go to and sell them cheap. The transmission parts are a little harder to find but some guys take the transmissions apart and can't put back together again and sell cheap again. Have 4 or 5 of each left may find more.


Last time I asked you weren't selling any of the 2.43 stuff.  That changed?
Roger Gazur
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IdahoSpud Quote  Post ReplyReply Direct Link To This Post Posted: Jun/20/2016 at 10:39pm
Originally posted by purple72Gremlin purple72Gremlin wrote:

Originally posted by 401MATCOUPE 401MATCOUPE wrote:

Moe....Do not go by the rings in the input shaft.....Borg Warner made a mistake at some point and made 2.23 input shaft with both 5 and 3 grooves, that can give you a false indication of the ratio,  Made this mistake myself and when I worked in  a Trans Shop in early 1980's, the owner warned me of this since he had a Service Letter from BW warning shops to count the teeth on the input shaft and before ordering a replacement.

But as Roger suggests above put in 1st gear and count the input rotations compared to 1 output turn.....there is 3 different factory gear ratios.  2.64 (rare), 2.43 (very rare) and 2.23 most common and used from mid 1968 thru 1974.  Yes, BW made other T-10 first gear ratio's, but they were 99.9% for other brands.  This is not hard.  
Don't worry about the after market gear markings or rations, your case dates indicate it would be highly unlikely you would run into these.
Ross is correct...


Ross is always correct!  Big smile
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IdahoSpud Quote  Post ReplyReply Direct Link To This Post Posted: Jun/21/2016 at 1:21pm
Well, good news. It is the 4 groove 243 gear ratio P stamp. I guess these are Very rare according to Ross.

Thanks for all of your help guys. Now on to eBay.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jeffs69AMX Quote  Post ReplyReply Direct Link To This Post Posted: Jul/04/2017 at 4:47pm
IdahoSpud,

Do you have a picture of the 4-Groove Shaft on your T-10 4-speed Transmission?  My T-10 has 4 Grooves on the shaft and T10P 1B on the Case and T10P 1A on the Tail with that being said, would I be correct to assume it is a 2.43 Wide-Ratio and why I could beat everyone out of the hole back in the day!!!  Rebuilt it 4 years ago, however I'm going to put a Tremec TKO-5 Transmission in her.



Thank you advance for reading and help.Clap

Jeff O
 


Edited by Jeffs69AMX - Jul/06/2017 at 1:07am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lrallen Quote  Post ReplyReply Direct Link To This Post Posted: Sep/11/2017 at 4:10pm
Just where is this P everyone is referring to. I have three T10 trannys and they all have no tag but have T10P stamped on the case. Two have 4 groves and one has 5 groves?
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Post Options Post Options   Thanks (1) Thanks(1)   Quote jpnjim Quote  Post ReplyReply Direct Link To This Post Posted: Sep/11/2017 at 5:37pm
They're talking about the T-10P cast into the case (I believe)

Best way is to just mark one of the spines on the output 
and one on the input.
Put it in first gear start spinning and counting.
It's very easy, and if you put it in the wrong gear, you'll know right away when you're getting 1.77:1, 1.23:1 or whatever. 

Spin the input one time and count how many times the output spins.

Almost every one I've ever had spins the output just under 2.25 tImes for one input revolution (V code).

And all had the T10P casting.

Easy peasy
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Airdrie AMX Quote  Post ReplyReply Direct Link To This Post Posted: Sep/11/2017 at 5:42pm
All the cases have t10P cast into them, if the small tag attached by one of the tailshaft case bolts is still with the trans it will have either the "V" 2.23 or "T" 2.64 etc.. stamped into it, if not count the revolutions of input & output like already suggested.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mixed up Quote  Post ReplyReply Direct Link To This Post Posted: Sep/13/2017 at 12:07am
every one talks of grove on the input shaft I have a 66 t10 I know its a wide ratio but it has no groves on the shaft any info on this would be great
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Airdrie AMX Quote  Post ReplyReply Direct Link To This Post Posted: Sep/13/2017 at 6:57am
^ That is why the trans can't be accurately identified by the grooves alone. The wide ratio trans in my jav has no grooves either.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bandana Quote  Post ReplyReply Direct Link To This Post Posted: Sep/13/2017 at 6:34pm
Hope its ok to piggy back off this thread looking for some help deciphering my T-10 codes?

On my main body is:
                                T10P-1B
Under this is            W.O. Div.
Under that is            F 24, 69  (is this a date code?? Feb, 24th 1969)?

My tag has what looks like:
                           3197057
underneath is     24-TIOV   (I assume this V is designating the 2.23 close ratio??)

Follow up question - if this is a 1969 transmission it is bolted up to a 1971 401ci motor. Are there any issues to watch for mating these two components?
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