Time to bite the bullet, tranny time..

RyanGT · April 28th, 2009, 02:11 PM

As some of you remember in my post awhile back, Reverse is stuck
my transmission got f'd up. I have been driving it with only 2nd and 4th for about a month now, cause my DD is also busted. Finally have DD in the shop (damn previous owner f'd stuff up).

Anyways what are my options for Trans? I was thinking built t-56 from promotion. Thing really holding me back is do i need a new drive shaft too? I have an aluminum one so don't want to get shafted for that. Or would a new yoke setup work? Doesn't the t56 have a little different length? Spline would be different so i know a new clutch would have to go in also.

Options and opinions?

adrenaline=lifeline · April 28th, 2009, 02:18 PM

u cold also do a tko600 or switch to a manual auto

RyanGT · April 28th, 2009, 02:31 PM

Yeah i was looking at the tko at promotion also. I like the gearing on that too. Whats the manual auto? Im thinking that would be too expensive. Big thing is getting the supporting stuff that comes with the trans. Like figuring out the drive shaft.

adrenaline=lifeline · April 28th, 2009, 02:34 PM

Originally Posted by RyanGT

Yeah i was looking at the tko at promotion also. I like the gearing on that too. Whats the manual auto? Im thinking that would be too expensive. Big thing is getting the supporting stuff that comes with the trans. Like figuring out the drive shaft.

manual auto is an auto w a manual valve body and u HAVE to shift it. it has its own computer so urs car doesnt need a new tune. pretty much its a manual w out a clutch.
FB Performance Transmission Pricing

but if u love the ability of complete control of shifts and clutch go t56 or tko.

~C~ · April 28th, 2009, 04:11 PM

If you are going to upgrade, do it now! Something I should have done when I re-did mine. Im pissed about that still. Either way, most definitely go with promotion. I went with a Japser tranny and I am on my 4th Jasper trans...of course all under warranty, but def not worth the hassle. Make sure it comes with a warranty to. I would say go with the t56. I would have if I thought about it prior to.

RyanGT · April 28th, 2009, 04:15 PM

Thats what im leaning towards. Durability, and an extra gear to narrow that gap.

Biggest concern is figuring out the driveline issue though... and making sure the drive shaft will be usable? With both the input and output splines being different the drive shaft will need to be changed?

Anybody that do this swap know?

SWEET2KSTANG · April 28th, 2009, 10:35 PM

the driveshaft will be different with the t56. i personally would just get a built t45 from them. i love the shit out of mine, by far the best mod i have done on the car.

RyanGT · April 28th, 2009, 11:11 PM

Yeah true, im getting a 31 spline rear end going in at same time. Will that affect the drive shaft too? Cause if it doesn't ill probably just get a built t 45 for simplicity.

SWEET2KSTANG · April 29th, 2009, 02:11 AM

no, the rear end wont effect anything, the flange placement doesnt change.

RyanGT · April 29th, 2009, 02:35 AM

Hmm so really i could just get a t-45 and nothing would need changing. Minus the clutch since the spline change in the tranny. How does the tko stack up drive line wise?

SWEET2KSTANG · April 29th, 2009, 04:02 AM

you will just have to get the conversion kit for the tko swap. the built t45 is plenty to hold up to most situations.

RyanGT · April 29th, 2009, 01:17 PM

True, pro motion have good stuff. Im thinking more of ratio's though. Would be nice to not have such a low gear in first cause of the KB. It looks a lot cheaper though!

ProMotion Powertrain

It looks like 1,600 for a fully built t-45? compared to a t-56 for 2,600 not counting driveshaft issues?

RyanGT · April 29th, 2009, 01:50 PM

And if im getting whole new tranny from them, what would be the difference between the 3650 and the t-45? Only 100 dollar difference (3650 being more). Would it just be gearing ratio's?

~C~ · April 29th, 2009, 03:01 PM

Originally Posted by SWEET2KSTANG

you will just have to get the conversion kit for the tko swap. the built t45 is plenty to hold up to most situations.

This is the main reason I didn't do the entire 56 swap. I knew though I wasnt going go over 450hp or so, so I figured the 45 would be fine. I just think the 56 is a better transmission overall. My 45 seems to be holding fine. The whole thing is brand new.

Jazzer The Cat · April 29th, 2009, 03:21 PM

Originally Posted by RyanGT

Thats what im leaning towards. Durability, and an extra gear to narrow that gap.

Biggest concern is figuring out the driveline issue though... and making sure the drive shaft will be usable? With both the input and output splines being different the drive shaft will need to be changed?

Anybody that do this swap know?

If you want to do THIS, do what I did and go T-56 swap

I have everything you need to know and is fantastic to drive now.

If the gap is not such a big deal, save yourself a LOT of $$$ and go T-45 as Sweet is saying.

Jazzer

RyanGT · April 29th, 2009, 03:27 PM

Yeah the t-45 will hold 750 hp they say. (pro motion's) Anybody know the real differences between the t-45 and 3560? Is it the gearing since both are built? Between the 2 would it be interchangeable? (like driveshaft and those types of things).

I think ill go the cheaper/simpler route. 1000+ cheaper on the trans, and then i dont have to get a new driveshaft which would also add up. Gap isn't too big of a deal for me... right now i have huge gaps since i only have 2nd and 4th gear working :p

BlckBullitt01 · April 29th, 2009, 05:04 PM

Promotion is way over-priced, I'd try using another tranny shop. IMO Liberty's Gears is the best out there, all the pro-stock cars/bikes guys run their stuff (but I'm also partially biased as I got mine from them

).

Don't get me wrong, promotion is good, just way to expensive for what they are giving you.

To try to answer your driveshaft/clutch ?..

If you have an aluminum driveshaft, you can get it shortened as opposed to buying a new one (I believe 1").

For the clutch (and correct me if I'm wrong), but you COULD reuse your stock clutch if you really wanted to (stock 3650 is 10 spline, stock T-56 is 10 spline), however I don't see the point if you're already putting in a new tranny.

Are you trying to go for a budget build or top notch? If top notch I'd say a built T-56 will be just what you need and last forever. However, you might want to look into finding a used T-56 from a Cobra owner as you can find one that will come w/ a driveshaft and crossmember (2 things you need) to save you some money.

RyanGT · April 29th, 2009, 05:52 PM

Well a built tranny would have a different input/output shaft. Stock is 10 spline but built is 26 i think. So would need new clutch. Unless a stock t-56.

Going for a strong reliable build but not ridiculous. If i have to get a cross member and shortened drive line then ill probably stay away from t-56 and just get a built t45 or 3650.

SWEET2KSTANG · April 30th, 2009, 06:59 AM

Originally Posted by BlckBullitt01

Promotion is way over-priced, I'd try using another tranny shop. IMO Liberty's Gears is the best out there, all the pro-stock cars/bikes guys run their stuff (but I'm also partially biased as I got mine from them ).

Don't get me wrong, promotion is good, just way to expensive for what they are giving you.

To try to answer your driveshaft/clutch ?..

If you have an aluminum driveshaft, you can get it shortened as opposed to buying a new one (I believe 1").

For the clutch (and correct me if I'm wrong), but you COULD reuse your stock clutch if you really wanted to (stock 3650 is 10 spline, stock T-56 is 10 spline), however I don't see the point if you're already putting in a new tranny.

Are you trying to go for a budget build or top notch? If top notch I'd say a built T-56 will be just what you need and last forever. However, you might want to look into finding a used T-56 from a Cobra owner as you can find one that will come w/ a driveshaft and crossmember (2 things you need) to save you some money.

overpriced? how do you figure? i have only seen t56 and tko stuff from liberty, not hard to have a good name with those transmissions. promotion is the only place i know of that is actually doing fully build t45's and are some stout pieces.

Originally Posted by RyanGT

Well a built tranny would have a different input/output shaft. Stock is 10 spline but built is 26 i think. So would need new clutch. Unless a stock t-56.

Going for a strong reliable build but not ridiculous. If i have to get a cross member and shortened drive line then ill probably stay away from t-56 and just get a built t45 or 3650.

output shafts are the same and are stock pieces, the input shaft can be a different option. a stocker, treated, or a 26 spline replacement. a 10 spline clutch will work for any of the 10 spline options. if you wanting to keep it easy and cost effective, just get a built promotion piece. i have beat the living hell out of mine for 2 years without one issue.

~C~ · April 30th, 2009, 08:33 AM

I have to agree that promotion is not overpriced. They were like $100 more than Jasper, and Jasper was just repairing the broken parts. I ended with a completely new transmission, but after a major headache.

April 28th, 2009, 02:11 PM	#1
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	Time to bite the bullet, tranny time.. As some of you remember in my post awhile back, Reverse is stuck my transmission got f'd up. I have been driving it with only 2nd and 4th for about a month now, cause my DD is also busted. Finally have DD in the shop (damn previous owner f'd stuff up). Anyways what are my options for Trans? I was thinking built t-56 from promotion. Thing really holding me back is do i need a new drive shaft too? I have an aluminum one so don't want to get shafted for that. Or would a new yoke setup work? Doesn't the t56 have a little different length? Spline would be different so i know a new clutch would have to go in also. Options and opinions? __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

April 28th, 2009, 02:18 PM	#2
adrenaline=lifeline Hardcore Enthusiast 2000 Mustang GT 13.86@100.3 Join Date: Dec 2007 Location: Enterprise, AL Posts: 1,118	u cold also do a tko600 or switch to a manual auto __________________ 2000 GT SOLD! 13.96 at 97.49 STOCK AUTO 13.84 at 100.3 (spinning) W/3.73s SOLD: 88 GT Roller 2004 40th Anniversary GT Pro 5.0 Shifter Lowered Summit Hpipe w Dynomax weldin mufflers

April 28th, 2009, 02:31 PM	#3
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	Yeah i was looking at the tko at promotion also. I like the gearing on that too. Whats the manual auto? Im thinking that would be too expensive. Big thing is getting the supporting stuff that comes with the trans. Like figuring out the drive shaft. __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

April 28th, 2009, 04:11 PM	#5
~C~ ~C~, The Other White Meat! Y2K YellowJacket GT ~TBD~ Join Date: Jun 2008 Location: West side B-More Posts: 1,601	If you are going to upgrade, do it now! Something I should have done when I re-did mine. Im pissed about that still. Either way, most definitely go with promotion. I went with a Japser tranny and I am on my 4th Jasper trans...of course all under warranty, but def not worth the hassle. Make sure it comes with a warranty to. I would say go with the t56. I would have if I thought about it prior to. __________________ BLOWN Bumblebeast! 370 rwhp / 381 ft lbs ~Tuned by JJ at WMS "Like the blind man says......We shall see...."

April 28th, 2009, 04:15 PM	#6
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	Thats what im leaning towards. Durability, and an extra gear to narrow that gap. Biggest concern is figuring out the driveline issue though... and making sure the drive shaft will be usable? With both the input and output splines being different the drive shaft will need to be changed? Anybody that do this swap know? __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

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April 28th, 2009, 10:35 PM	#7
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,987	the driveshaft will be different with the t56. i personally would just get a built t45 from them. i love the shit out of mine, by far the best mod i have done on the car. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

April 28th, 2009, 11:11 PM	#8
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	Yeah true, im getting a 31 spline rear end going in at same time. Will that affect the drive shaft too? Cause if it doesn't ill probably just get a built t 45 for simplicity. __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

April 29th, 2009, 02:11 AM	#9
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,987	no, the rear end wont effect anything, the flange placement doesnt change. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

April 29th, 2009, 02:35 AM	#10
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	Hmm so really i could just get a t-45 and nothing would need changing. Minus the clutch since the spline change in the tranny. How does the tko stack up drive line wise? __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

April 29th, 2009, 04:02 AM	#11
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,987	you will just have to get the conversion kit for the tko swap. the built t45 is plenty to hold up to most situations. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

April 29th, 2009, 01:17 PM	#12
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	True, pro motion have good stuff. Im thinking more of ratio's though. Would be nice to not have such a low gear in first cause of the KB. It looks a lot cheaper though! ProMotion Powertrain It looks like 1,600 for a fully built t-45? compared to a t-56 for 2,600 not counting driveshaft issues? __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

April 29th, 2009, 01:50 PM	#13
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	And if im getting whole new tranny from them, what would be the difference between the 3650 and the t-45? Only 100 dollar difference (3650 being more). Would it just be gearing ratio's? __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

April 29th, 2009, 03:27 PM	#16
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	Yeah the t-45 will hold 750 hp they say. (pro motion's) Anybody know the real differences between the t-45 and 3560? Is it the gearing since both are built? Between the 2 would it be interchangeable? (like driveshaft and those types of things). I think ill go the cheaper/simpler route. 1000+ cheaper on the trans, and then i dont have to get a new driveshaft which would also add up. Gap isn't too big of a deal for me... right now i have huge gaps since i only have 2nd and 4th gear working :p __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

April 29th, 2009, 05:04 PM	#17
BlckBullitt01 Regular TT Bullitt Join Date: Jun 2007 Posts: 263	Promotion is way over-priced, I'd try using another tranny shop. IMO Liberty's Gears is the best out there, all the pro-stock cars/bikes guys run their stuff (but I'm also partially biased as I got mine from them ). Don't get me wrong, promotion is good, just way to expensive for what they are giving you. To try to answer your driveshaft/clutch ?.. If you have an aluminum driveshaft, you can get it shortened as opposed to buying a new one (I believe 1"). For the clutch (and correct me if I'm wrong), but you COULD reuse your stock clutch if you really wanted to (stock 3650 is 10 spline, stock T-56 is 10 spline), however I don't see the point if you're already putting in a new tranny. Are you trying to go for a budget build or top notch? If top notch I'd say a built T-56 will be just what you need and last forever. However, you might want to look into finding a used T-56 from a Cobra owner as you can find one that will come w/ a driveshaft and crossmember (2 things you need) to save you some money.

April 29th, 2009, 05:52 PM	#18
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	Well a built tranny would have a different input/output shaft. Stock is 10 spline but built is 26 i think. So would need new clutch. Unless a stock t-56. Going for a strong reliable build but not ridiculous. If i have to get a cross member and shortened drive line then ill probably stay away from t-56 and just get a built t45 or 3650. __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

April 30th, 2009, 08:33 AM	#20
~C~ ~C~, The Other White Meat! Y2K YellowJacket GT ~TBD~ Join Date: Jun 2008 Location: West side B-More Posts: 1,601	I have to agree that promotion is not overpriced. They were like $100 more than Jasper, and Jasper was just repairing the broken parts. I ended with a completely new transmission, but after a major headache. __________________ BLOWN Bumblebeast! 370 rwhp / 381 ft lbs ~Tuned by JJ at WMS "Like the blind man says......We shall see...."

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