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Discussion Starter · #1 ·
I have a low mile t56 was told it was rebuilt about 5,000 miles ago.
It's got a 26 spline input. The output bigger pro 5 shifter
Spec stage 3+ clutch that's only has 800 miles on it n driveshaft already set up for a Sra Cross member
This is a big feeler. I'm not a 100% sure ill sell it
But I might need a bigger down payment on the farm site I'm looking at
If someone offer me right price ill sell the whole set up
 

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Discussion Starter · #3 ·
Yes the driveshaft is already set up for a Sra
 

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Discussion Starter · #5 ·
Asking 2200 obo.
 

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Does it come with a shortened drive shaft for a GT swap?
Fun fact: You can use a stock aluminum 03-04 Cobra driveshaft, or any aftermarket 03-04 Cobra driveshaft, be it carbon fiber or another aluminum one. I'm running one with my T56 swap. Just need a 1330/1350 drive series combination U-joint.

Whoever buys this T56, you will love it. Mine chirps 4th gear at 90 MPH every time without missing a beat, and thanks to the (numerically) lower 6th gear ratio, I can cruise at 65 MPH @ only 2,000 rpm, with 3.73s.

Good luck with the sale man. I'd take it off your hands if I had the cash, just incase I ever buy a second Mustang. :lol
 

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Discussion Starter · #8 ·
^ thanks man! Thanks for posting the info!
Idk if I really wanna sell it yet but house/work come first so if I need the bigger payment this will go. Sadly
 

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Discussion Starter · #12 ·
Decide to keep it
 

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^ good call bud!
 

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Fun fact: You can use a stock aluminum 03-04 Cobra driveshaft, or any aftermarket 03-04 Cobra driveshaft, be it carbon fiber or another aluminum one. I'm running one with my T56 swap. Just need a 1330/1350 drive series combination U-joint.

Whoever buys this T56, you will love it. Mine chirps 4th gear at 90 MPH every time without missing a beat, and thanks to the (numerically) lower 6th gear ratio, I can cruise at 65 MPH @ only 2,000 rpm, with 3.73s.

Good luck with the sale man. I'd take it off your hands if I had the cash, just incase I ever buy a second Mustang. :lol
It all depends on what t56 it is. An 03-04 cobra has the same 4th gear as a t45/3650. and the overdrive is the same as a 3650
 

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It all depends on what t56 it is. An 03-04 cobra has the same 4th gear as a t45/3650. and the overdrive is the same as a 3650
I'm sorry, but that is very incorrect. There are two overdrive gears, rather than just one, with the five speeds. First overdrive gear of the 03-04 Cobra spec T56, being 0.79:1. Second, 6th gear, being 0.63:1. 3.27:1 geared TR-3650 cars have a 0.67 final gear, 5th, and they fall flat on their facking face when you grab 5th at WOT, for any sort of top speed highway run. 3.55 geared TR-3650 cars (Machs) run a 0.62:1 5th to compensate for the numerically higher diff gears.

My car, 3.73s, back when it had the TR-3650, 285/35/18s, 5,800 rpm shift points, does 119 MPH in 4th. Grabbing 5th drops you ~150 RPM below even the peak TORQUE range! Looking at only 3,850 RPM.

4th is the direct 1:1 gear on all of them, that is correct.

Now, my car, 3.73s, Cobra spec T56, same 285/35/18s, same 5,800 rpm shift points, still does 119 MPH in 4th. But now, grabbing 5th, (0.79:1 compared to 0.67:1) I'm at ~4,550 RPM! Half a grand past peak torque, less than 700 RPM away from peak power. Right in the meat of it all. The difference is insane.

I ran another GT that was a VERY even match with me, and it shows. We were literally door and door (At ANY moment up to 115-ish I could look over at him, literally) then it entered 120+, and I ran away. If you're into top end stuff, rolls, what have you, the T56 is king. Listen to the difference for yourself.

5 speed Bullitt at 130-ish:


My car at 130-ish:


Listen to those RPMs. Without a doubt, you know which car is pulling way harder at those speeds. Allows the very underpowered 2V to really stretch it's legs. Sorry to rant. I'm bored.
 

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I'm sorry, but that is very incorrect. There are two overdrive gears, rather than just one, with the five speeds. First overdrive gear of the 03-04 Cobra spec T56, being 0.79:1. Second, 6th gear, being 0.63:1. 3.27:1 geared TR-3650 cars have a 0.67 final gear, 5th, and they fall flat on their facking face when you grab 5th at WOT, for any sort of top speed highway run. 3.55 geared TR-3650 cars (Machs) run a 0.62:1 5th to compensate for the numerically higher diff gears.

My car, 3.73s, back when it had the TR-3650, 285/35/18s, 5,800 rpm shift points, does 119 MPH in 4th. Grabbing 5th drops you ~150 RPM below even the peak TORQUE range! Looking at only 3,850 RPM.

4th is the direct 1:1 gear on all of them, that is correct.

Now, my car, 3.73s, Cobra spec T56, same 285/35/18s, same 5,800 rpm shift points, still does 119 MPH in 4th. But now, grabbing 5th, (0.79:1 compared to 0.67:1) I'm at ~4,550 RPM! Half a grand past peak torque, less than 700 RPM away from peak power. Right in the meat of it all. The difference is insane.

I ran another GT that was a VERY even match with me, and it shows. We were literally door and door (At ANY moment up to 115-ish I could look over at him, literally) then it entered 120+, and I ran away. If you're into top end stuff, rolls, what have you, the T56 is king. Listen to the difference for yourself.

5 speed Bullitt at 130-ish:

Bullitt Fly-by - YouTube

My car at 130-ish:

01 Mustang GT 130+ MPH Fly By - Borla Stingers & Magnaflow Catted X - YouTube

Listen to those RPMs. Without a doubt, you know which car is pulling way harder at those speeds. Allows the very underpowered 2V to really stretch it's legs. Sorry to rant. I'm bored.
I'm sorry but i believe that you are incorrect. TTC: TREMEC Transmissions
yes some had the .67 over drive you claim, some also had the .62. See that?

They basically have the same overdrive, and im talking the lowest gear not 5th. Basically, the cobra spec t56 has longer 1st and 2nd gearing, and 3rd and 4th are the same if not very slightly different. Wont even notice the difference.

---------- Post added at 03:08 PM ---------- Previous post was at 03:02 PM ----------

I mean sure if you want to race at 130mph plus on some back road or highway, you have a 5th gear for that. But most likely a street race or drag race is over by 100 or so. t56 is one heavy af tranny and for a n/a car, its just not that great. My car was significantly quicker when i put a t45 back in because of the shorter 1-2 gears. Like going from 2.73s to 3.73s. And your only chirping 4th because of 3.73s/tires/hp/tq. Not because of your tranny. Its the same 4th as the others.
 

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The only TR-3650 car to have a 0.62 5th is the Mach 1, I already said that. There is no GT in existence that came stock with a 0.62 TR-3650. TR-3650 weight varies from 120-132. T56 varies from 119 to 129. Numbers off of Tremec and BW sites. At most, the maximum difference is 9 pounds, if we hypothetically had the lightest TR-3650, and I went to the heaviest T56. I probably almost lost that much with the addition of the aluminum driveshaft.

I already also mentioned they're the same exact 4th, obviously. T45, TR-3650, T56, all direct 1:1 4th gears.

"Mine chirps 4th gear at 90 MPH every time without missing a beat" Said that as a testament to the T56's strength, not gearing. With the TR-3650, it did get out of the hole ever so slightly quicker, but that was negated by how quickly I had to grab 2nd. Come to think of it though, I never did get the TR-3650 to chirp 4th, or 3rd for that matter I believe.

You've got a point there. It goes through 1st pretty quickly, but the car could use a little more pull in general. I have 3.27s sitting around for when/if I ever go turbo one of these years, would bog it down horribly if I slapped them in while still N/A.
 

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The only TR-3650 car to have a 0.62 5th is the Mach 1, I already said that. There is no GT in existence that came stock with a 0.62 TR-3650. TR-3650 weight varies from 120-132. T56 varies from 119 to 129. Numbers off of Tremec and BW sites. At most, the maximum difference is 9 pounds, if we hypothetically had the lightest TR-3650, and I went to the heaviest T56. I probably almost lost that much with the addition of the aluminum driveshaft.

I already also mentioned they're the same exact 4th, obviously. T45, TR-3650, T56, all direct 1:1 4th gears.

"Mine chirps 4th gear at 90 MPH every time without missing a beat" Said that as a testament to the T56's strength, not gearing. With the TR-3650, it did get out of the hole ever so slightly quicker, but that was negated by how quickly I had to grab 2nd. Come to think of it though, I never did get the TR-3650 to chirp 4th, or 3rd for that matter I believe.

You've got a point there. It goes through 1st pretty quickly, but the car could use a little more pull in general. I have 3.27s sitting around for when/if I ever go turbo one of these years, would bog it down horribly if I slapped them in while still N/A.
No man that is wrong. There are some GT's out there with the low overdrive 3650. Theres no way around that, GT's have them. Find an 03+ GT with a 5 speed, go drive it or go for a ride, the rpms will drop significantly. Its nearly if not the same overdrive as the t56. The gear ratios in 1st and 2nd are not just slightly different. They are a big difference! 1st gear with stock 3.27s would go up to 50 i would say with a t56. They are bigger trannys, definitely stronger, probably hold a little more fluid? I dont know dont quote me on that one. I just remember it being a heavier tranny. to equal a 3.73 rear end with a t45/3650, you would have to have a ratio of like 4.56 to have the same 1-2 gearing in a t56! N/A, i will destroy a car off the line and in a 1/4 if they have a t56 in there GT. Unless they have that 4.56 gearing lol. t56 could heavier what not, its still a bad geared tranny for n/a.
 

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No man that is wrong. There are some GT's out there with the low overdrive 3650. Theres no way around that, GT's have them. Find an 03+ GT with a 5 speed, go drive it or go for a ride, the rpms will drop significantly. Its nearly if not the same overdrive as the t56. The gear ratios in 1st and 2nd are not just slightly different. They are a big difference! 1st gear with stock 3.27s would go up to 50 i would say with a t56. They are bigger trannys, definitely stronger, probably hold a little more fluid? I dont know dont quote me on that one. I just remember it being a heavier tranny. to equal a 3.73 rear end with a t45/3650, you would have to have a ratio of like 4.56 to have the same 1-2 gearing in a t56! N/A, i will destroy a car off the line and in a 1/4 if they have a t56 in there GT. Unless they have that 4.56 gearing lol. t56 could heavier what not, its still a bad geared tranny for n/a.
You may be correct, but every single source I've found has pointed towards every 3.27 geared 5 speed TR-3650 car having the .67 O/D TR-3650. Mach 1s are the only ones known to have the .62 O/D, to compensate for the stock 3.55 gearing.

My car runs pretty well with the T56. You say you can beat a N/A T56 GT off the line, while I've actually beat a stalled auto/3.90 geared GT from a real slow roll, about 5 MPH, just so we didn't spin as much. Given it was a 'vert, but he had the 3.90s compared to my 3.73s, plenum and TB compared to my stock pieces, and a 93 tune back when I was running an 87 tune. Lighter stock 03-04 Cobra 17s compared to my 18" FR500s also.

This is kind of pointless, but until you find me some sort of reliable source that can prove they put Mach 1-destined TR-3650s in GTs, you are the one that is wrong. The only reason the RPMs drop significantly is because it's a poopy geared 5 speed that drops you from a 1:1 4th to 0.67 5th. I hated that before I had the T56.

Here's a very old video from back in 2011, only had the T56 for a couple months, so I wasn't really slamming the gears. Letting out real easy, just above idle, real humid day, still got 60 in close to 5 flat. Almost 50 in first as it is with the 3.73s. Bone stock 2V with just an exhaust, shitty BBK intake, and an 87 tune.


Here I am wasting an S2000 off the line. I'm happy with my 2.66:1 1st gear.


Glad he decided to keep his T56, so that we didn't destroy a legitimate F/S thread. :lol
 

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Discussion Starter · #20 ·
Damn wish I was sell it U guys bump this thing like crazy!
Car at the shop looks like t56 n a built motor will be in her this summer! 600whp here I come :yes
 
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