The T56 is a bigger box. The Tremec TKO/3550 is also a bigger box, both are ok
transmissions (They have upgraded both I believe to newer models as well)
For
the TKO it is big at the top of the tunnel and I just removed one out of my
'65 Mustang as it has bad driveline angles unless you cut up the transmission
tunnel on the car. I ended up removing it for a Tex Racing T101A, and that is
another story. I have not had my hands on a T56 but the TKO/3550's are very
square and that is where they have issues with fit on the top of the tunnel. I
think they may have a newer model that is more compact but I have not been
look
at them for a while.
The one gearbox that many people forget about is
the Doug Nash/Richmond gear 4+1
and 5+1. The early ones were just 5 speeds
with 1:1 final but later boxes do
have overdrive. I have the old Doug Nash in
a Cobra and it looks like it would
tuck in better then the Tremec's since the
case is more round but not 100% sure.
It is not an inexpensive gearbox but is
pretty durable. The Shifter would be a
concern as the tail shaft is pretty
narrow on a Tiger top loader (And mustang
T10) so gettting a shifter back in
the same spot would also be part of the
measuring exercise.
For T5's I think
they made a couple World Class that were a bit beefier, but
have no
experience with them.
Also if you do use a Chevy gearbox on a ford you will
need appropriate
bellhousing and crank pilot bearing. The Tex Racing T101A is
a chevy bolted to a
tilton bell with a chevy trans pattern and dimension.
Other stuff such as trans
mounts will need work too.
Here is a link, in the
vid you can see a TKO that was pulled from my car.
http://www.adamcarolla.com/CarCastBlog/2010/05/07/the-ripper-transmission-swa
p-part-1/
Sandy
----- Original Message ----
From: Thomas Witt
<atwittsend@verizon.net>
To: tigers@autox.team.net
Sent: Wed, August 25, 2010
10:37:18 AM
Subject: Re: [Tigers] Alternate Rear End Gears
Mark,
Are there
any alternatives to the T-5? The Corvette/Viper T-56???
I often see people
change gear ratios when in effect a tire size change will do
the same thing.
At the least, what you might do is scrounge up a taller
wheel/tire for
testing your idea. Do the math and see if say... a 215-70-15 tire
would fit.
I'm on the other side of your idea. Jeep used a Toploader (T-178) that had a
3.01 first and evenly spaced gears (unlike the overdrive Toploader - which was
very weak). My idea was to use taller tires to effectively get the 3.01 first
gear closer to the equivalent 2.78 of a wide ratio. On the other end the 1 to
1
ratio of 4th gear would be the equivalent of an overdrive. However, the
T-178
seems to be very hard to find (especially at Pick A Part prices).
400
Ft.Lb's sound nice. Hope you can find the difference maker in ratios to make
it all work
Tom _______________________________________________
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