Re: [Amc-list] Looking for a torque tube T-96 trans w/OD

["oldcars@xxxxxxxxx" <oldcars@xxxxxxxxx>]

I have spent a fair amount of time beneath the car lately, so I can confirm
that mine is a 4-bolt mount to the torque tube and has the 4-point mounts. 

The current plan is to take the T-96H from the 67 American, which I had got
from a fellow lister in nearby Maryland, and bolt that gearbox to the
tailshaft and housing from the 62. I hope that there is no roadblock to
doing that.

I admit that it IS tempting to think of the 199 in the 62 classic, since I
know the 7-main-bearing engines a lot better, and since the 196 would be an
easy swap into the 64 American Wagon which I have  had sitting around for
some while. However I would have to figure out how to make the 199 work
with the accelerator linkage of the 62 which has a unique rotating linkage
which plugs into the throttle plate linkage. Anyway, I guess the 196 should
be left where it started since the car is a 57K mile original.

I did notice that the shifter arms are completly different shapes and
lengths between the 62 and the 67, so I will swap them over. 

Yes, I will take the parking brake adjuster and the flex hose loose as well
- the parking brake may be an adventure since it has probably not been
adjusted in 46 years. 

Original Message:
-----------------
From: Frank Swygert farna@xxxxxxx
Date: Sun, 06 Jul 2008 14:53:27 -0400
To: amc-list@xxxxxxxxxxxx
Subject: Re: [Amc-list] Looking for a torque tube T-96 trans w/OD


All 56-62 Rambler six cylinder engines/cars use the four point mounts --
two on a lip under the timing cover and two under the bell. Big cars and
Americans are the same. 63 Americans use the same four point system. 63+
big cars and 64+ americans use the now familiar "Tri-Poised Power" mounting
system (that's where the name comes from) -- one mount on each side of the
engine either entered or a little forward of center, and one under the
trans. There's no difference in automatic trannys, just manual. 

Tom mentioned that the trans to bell bolt pattern is different -- the
Tri-Poised cars have a "taller" pattern than four point mount cars. The
side to side dimension is the same, but the Tri-Poised trans has the lower
bolt holes much lower on the bell to give the motor/trans unit more
rigidity. So you need the bell and trans for four point or Tri-Poised cars. 

The speedo cable is different also. On the older bodies the speedo cable
gear is on TOP of the output shaft, on the newer ones (63+ big, 64+ small)
the gear is on the BOTTOM of the output shaft. This means the cables turn
in opposite directions! The drive gear on the output shaft is the same
though. To swap between the two you have to have the correct output shaft
housing (tailshaft housing). That's the only difference. I discovered this
when putting a 65 M-35 auto trans in a 63 American. 

The manual trannys are the same between torque tube and open drive cars of
similar years. The only difference is the torque tube adapter vs. a seal
adapter on the OD unit (the open drive car has a short round seal adapter,
the rear seal is in the torque tube adapter on big cars) and the tailshaft
housing on non-OD cars (with or without a torque tube flange).  

My car has the 3.78 rear, so I think that it will do well with OD if that
were to work out. 

Now if we can just get some dry weather so I can get out and spin some
wrenches!
---------------
Date: Sat, 05 Jul 2008 12:20:43 -0700
From: Tom Jennings <tomj@xxxxxxx>

oldcars@xxxxxxxxx wrote:
>     Since the Overdrive T96 should be a bolt in, I am interested in seeing
> whether anyone has a torque tube T96 which they would sell. I guess that I
> will see whether Mike can get his part, since mine is (apparently)
complete
> and the '67 T96 gearbox should hopefully bolt up to the '62 tailshaft &
> housing and put mine back on the road. Just thought I would see whether I
> could upgrade to OD while I was at it. 


Others here may know details, but you might need to double-check the 
rear motor mount business, and speedo location.

62 is different than 63-up, which is two mounts under the motor left 
right, an only one under the trans tail. 62 has two mounts in rear, 
right? I forget what the 62 "big car" uses, but the American the rear 
mounts are on the bellhousing, so for that car either would work. This 
business is easily checked before you buy.

Frank points out that the speedo gear and cable comes out of the TOP of 
the trans on one set of years/models, and out the BOTTOM on the other. 
Bottom might work in a "top" car, but not vice-versa.


Sorry to be a bummer!

Yeah, the OD would be a drop-in, and the under dash cable for it easy. 
But you really need to change the axle ratio at the same time, six or eight.

-- 
Frank Swygert
Publisher, "American Motors Cars" 
Magazine (AMC)
For all AMC enthusiasts
http://farna.home.att.net/AMC.html
(free download available!)

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