T-56 how strong

66+67 · Aug 12, 2006

What kind of power will a T-56 handle??

PJx5x · Aug 12, 2006

my friends are putting down like 550-600rwhp on T56s with a 26 spline input shaft i think...

washMO66 · Aug 12, 2006

hey, get back to your other thread and tell us about your set up....

as far as the T56 it depends on what you are doing with it. Behind a motor on street tires should hold up well up to 500 to 550HP. On slicks at the drag strip with the same power, it's probably break eventually.

Shakin66 · Aug 12, 2006

It is a very strong trans and I love how close the gear ratios are together but keep in mind it takes serious work to install it. I have pictures of what I had to do to the tunnel to get the drivline angle to 3 degrees. If you try to just bolt it up it ends up at like 6 degrees or more. As far as its strength its about your best option period.

66+67 · Aug 12, 2006

t56

I think jnc now sells a replacement tunnel so its cut and weld and its in.

gp001 · Aug 13, 2006

Shakin66 said:
As far as its strength its about your best option period.

BAH! Richmond 6 speed can handle more, and it is a REAL 6 speed

PJx5x · Aug 13, 2006

66+67 said:
I think jnc now sells a replacement tunnel so its cut and weld and its in.

you got a link to this?? im VERY interested thats probably the one and only reason i got a T5 and not a T56

LUCAFU1 · Aug 13, 2006

a t-56 is not the best tranny, period. you want a good trans with less work get a f-force t-5. if you get a cobra t-56 and making more then 450rwho the 10 spine input shaft will be on a short life span. then after thats upgraded the output shaft is the next weak link (anf the t.o.b. sleeve). my output shaft sheared sending my d/s out on my cobra. i now have a viper t-56 which is alot stonger (bigger and heavier too).

66+67 · Aug 13, 2006

more info

Hey Sorry thats jmc I found them by searching msn for a hydralic clutch for the 66. What is a viper t56??

Gud T.B. Blown · Aug 13, 2006

gp001 said:
BAH! Richmond 6 speed can handle more, and it is a REAL 6 speed

Very true, but the Richmonds are also VERY expensive. Just like the old adage says: Speed costs money, how fast do you want to go....

66+67 · Aug 13, 2006

Help me out!!

Where can I found out more info on these Richmond 6 speeds?? Im not a gearhead but I believe its easer to overbuild then repair later!!

Shakin66 · Aug 13, 2006

BAH! Richmond 6 speed can handle more, and it is a REAL 6 speed

Well I have counted the gears as I drove the car and there are actually 6 of them. Although you are talking about the "overdrive" aspect of this t56 I'm sure but being I have not seen that it ever lugs and allows me to run a 3:70 gear without worring about the RPMs on the freeway I love it. I dont know if this one being a "Viper" model makes a differents? As far as the Prefab tunnel goes you still will have a decent ammount of work to do but I'd do it all over again tomorrow.

I bought my tunnel and crossmember from Darkhorse performance.

gp001 · Aug 13, 2006

pushrod power said:
Very true, but the Richmonds are also VERY expensive.

Really?

gp001 · Aug 13, 2006

66+67 said:
Where can I found out more info on these Richmond 6 speeds?? Im not a gearhead but I believe its easer to overbuild then repair later!!

Here is Richmond's site

http://richmondgear.com/01sixspeed.html

Here is my install write up

http://www.2mfffabshop.com/rod.htm

If you have any other questions about the Richmond feel free to PM or e-mail, unless others don't mind it being posted in this T-56 thread.

gp001 · Aug 13, 2006

Shakin66 said:
BAH! Richmond 6 speed can handle more, and it is a REAL 6 speed

Well I have counted the gears as I drove the car and there are actually 6 of them. Although you are talking about the "overdrive" aspect of this t56 I'm sure but being I have not seen that it ever lugs and allows me to run a 3:70 gear without worring about the RPMs on the freeway I love it. I dont know if this one being a "Viper" model makes a differents? As far as the Prefab tunnel goes you still will have a decent ammount of work to do but I'd do it all over again tomorrow.

I bought my tunnel and crossmember from Darkhorse performance.

What are your engine specs?
What fuel system? EDIT - Fuel delivery - EFI or Carb
What tire size are you running?

LUCAFU1 · Aug 13, 2006

66+67 said:
What is a viper t56??

its the T56 that Viper uses in their cars. Its bigger and needs to be modified to fit on a ford. D&D sells them to fit fords. They are bigger and heavier, and stronger then the ford version. they have different gear ratios, 6th gear is .50, and they have a viper symbol stamped on the side of the case where the shifter bolts too.

Shakin66 · Aug 13, 2006

347, GT40 Irons, Anderson B-21 cam, 650 demon modified to blow thru, powerdyne 9# SC, 2.5" exhaust 245/45/17.

Gud T.B. Blown · Aug 13, 2006

gp001 said:
Really?

To me 2k is very expensive.

Evilcactuar · Aug 20, 2006

darkhorse transmission

Guys,
Do you know if the transmission offered at darkhorse performance is a viper spec unit, or what it is? (or what it's rated to?) Also, i'd be curious to see what you had to do the the tunnel to mount it in a 66, that's what I plan to do as well. What are you guys running for rearends behind them?

Shakin66 · Aug 21, 2006

I'm not sure of their T-56's specs but if you look through my photobucket pics you'll see some of the work required to install it. I am running a 3:70 rear gear and that seems to work well for me.

http://s32.photobucket.com/albums/d6/scatpro/

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