Anyone have a T-56 tranny on their rotary?
#1
Gaijin Racing
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Anyone have a T-56 tranny on their rotary?
I've seen a lot of talk about this transmission and how it would be a good match for a high torque, 8000 rpm rotary... but has anyone actually done it?
#2
Here is a T5 adapter
http://www.mazdacomp.com/drivetrain.htm
kennedy also makes them
Phone# (661) 272-1147
I don't think there is a T56 adapter out there.. it is to new a transmission.. i guess we could always make one..
-Zach
http://www.mazdacomp.com/drivetrain.htm
kennedy also makes them
Phone# (661) 272-1147
I don't think there is a T56 adapter out there.. it is to new a transmission.. i guess we could always make one..
-Zach
#4
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Just called that mazdacomp place (Powerhouse Engineering). They no longer make the T5 tranny adapter....
I called Kennedy (http://www.kennedyeng.com) and they still make the T5 adapter with no plans of making a T-56 adapter. I talked to Hoover Kennedy (the owner) and he said that they attempted to make a T-56 work on a rotary, but the starter motor had no place to go. He said you would have to go back to the pre 80 starter position of placing the starter and solenoid ontop of the engine and that it interferred with any EFI intake manifold... he said it MAY work with a webber carb. I did a bit of research on the T5, and this thing is junk for what I'm looking for....
http://www.allfordmustangs.com/Detailed/349.shtml
The best stockT5 can handle 310 ft/lbs of torque... ug. I'm trying to find out what kind of upgrades can be performed on one of these to make it double that threshold (yeah right)
I called Kennedy (http://www.kennedyeng.com) and they still make the T5 adapter with no plans of making a T-56 adapter. I talked to Hoover Kennedy (the owner) and he said that they attempted to make a T-56 work on a rotary, but the starter motor had no place to go. He said you would have to go back to the pre 80 starter position of placing the starter and solenoid ontop of the engine and that it interferred with any EFI intake manifold... he said it MAY work with a webber carb. I did a bit of research on the T5, and this thing is junk for what I'm looking for....
http://www.allfordmustangs.com/Detailed/349.shtml
The best stockT5 can handle 310 ft/lbs of torque... ug. I'm trying to find out what kind of upgrades can be performed on one of these to make it double that threshold (yeah right)
#5
r71's daddy
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Originally posted by zyounker
thinking about it anyone know the difference in the bellhousing of the T56 and T5?
-Zach
thinking about it anyone know the difference in the bellhousing of the T56 and T5?
-Zach
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Just called a few 'Stang shops... they say that a BUILT T5 will not handle more than 350 ft/lbs.
Zyounker also just called me and said that a mustang guy that he works with said that a T5 is the same thing as a T56, just with 6-gears... so I dunno... I know there are T-56s out there that will support over 600 ft/lbs, I've just yet to find the right one... or even a bellhousing adapter... but, if it IS the same as a T5, I know where to get that adapter....
Zyounker also just called me and said that a mustang guy that he works with said that a T5 is the same thing as a T56, just with 6-gears... so I dunno... I know there are T-56s out there that will support over 600 ft/lbs, I've just yet to find the right one... or even a bellhousing adapter... but, if it IS the same as a T5, I know where to get that adapter....
#7
Well, we might also be able to adapt the 20B auto starter too nick..
Also go with the termac on, it is suppose to be better then the borgs & warner one..
And i know they can be built for more then 350ft/lbs because there are tons of mustangs that run more then that. or are all of them the auto trannies?
-Zach
Also go with the termac on, it is suppose to be better then the borgs & warner one..
And i know they can be built for more then 350ft/lbs because there are tons of mustangs that run more then that. or are all of them the auto trannies?
-Zach
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#9
something else to think about is 400ft/lbs from a mustang at 2K and a rotary at 6K is alot different. that and your car is alot lighter which is easier on the tranny too..
-Zach
-Zach
#12
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Is Pac's tremac a manual? or is it some weirdo tranny with air shift and semi-automatic operation?
I'll try and shoot them an email if I can find their website.
I'll try and shoot them an email if I can find their website.
#13
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#14
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Manually shifted H-Patter, that is PERFECT! Is that Tremac a 5-speed?
Thanks for the website info there AJC I emailed rocky at PAC and I'm waiting for a response. It may be a trade secret he's not willing to share. AJC, are you near Sydney where you might be able to give them a call for me / us? Long distance to Australia on my cellphone is like $5.75 a minute
Thanks for the website info there AJC I emailed rocky at PAC and I'm waiting for a response. It may be a trade secret he's not willing to share. AJC, are you near Sydney where you might be able to give them a call for me / us? Long distance to Australia on my cellphone is like $5.75 a minute
#18
I wish I was driving!
Originally posted by Kurgan
Just called a few 'Stang shops... they say that a BUILT T5 will not handle more than 350 ft/lbs.
Zyounker also just called me and said that a mustang guy that he works with said that a T5 is the same thing as a T56, just with 6-gears... so I dunno... I know there are T-56s out there that will support over 600 ft/lbs, I've just yet to find the right one... or even a bellhousing adapter... but, if it IS the same as a T5, I know where to get that adapter....
Just called a few 'Stang shops... they say that a BUILT T5 will not handle more than 350 ft/lbs.
Zyounker also just called me and said that a mustang guy that he works with said that a T5 is the same thing as a T56, just with 6-gears... so I dunno... I know there are T-56s out there that will support over 600 ft/lbs, I've just yet to find the right one... or even a bellhousing adapter... but, if it IS the same as a T5, I know where to get that adapter....
The Viper spec ones I've found all have the 2.66:1 or so first gear... not so great for a rotary, even qwith a 4:30 rear-end.
In the end, though, I'm going to fab my own adapter plate. When's all's said and done, I could give you the specs, or machine you one.
Last edited by scathcart; 10-09-02 at 02:34 AM.
#19
I wish I was driving!
Have you checked out any of the Tranny ratios? Anyone know how to post an Excel Spredsheet? I've got a list of the torque ratings and gear ratios of all opf the 6-speeds I know of and how they compare to stock with both a 4.10 and a 4.30 gear ratio.
I've also got dimensions for almost all of them, and approximate dimensions for fitting a clutch disk while keeping the TII hydraulics, bellhousing, flywheel, pressure plate, and starter. I've ALSO got dimensions for how most of these trannies would fit with a cross member and shifter location, AS well as what would be needed to mod the driveshaft.
But in the end, it'll just come down to getting it to work. Wait until approximately feb of next year for my 6-speed.
Are you wanting the extra overdrive? If not, you could fit a richmond six-speed pretty easily...
I've also got dimensions for almost all of them, and approximate dimensions for fitting a clutch disk while keeping the TII hydraulics, bellhousing, flywheel, pressure plate, and starter. I've ALSO got dimensions for how most of these trannies would fit with a cross member and shifter location, AS well as what would be needed to mod the driveshaft.
But in the end, it'll just come down to getting it to work. Wait until approximately feb of next year for my 6-speed.
Are you wanting the extra overdrive? If not, you could fit a richmond six-speed pretty easily...
#20
Super Newbie
Valid file extensions: gif jpg png txt zip bmp jpeg mpg mpeg mp3 avi doc xls
Isn't *.xls a spreadsheet file? Of course then, it'd open Excel every time you clicked on it.
Print screen and make a jpg out of it. I want to see this.
Isn't *.xls a spreadsheet file? Of course then, it'd open Excel every time you clicked on it.
Print screen and make a jpg out of it. I want to see this.
#21
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most of those T56 and simialr type trans have crap ratio's for a rotary, i'm currently looking around at options for a 6 speed and all of the US made 6 speeds would only be suitablr with a diff ratio of around 4.8-5.1:1 as they are a double overdrive set up.
How many Supra guys have you seen blow gearboxes?
Their 6 speed getrag gearbox has some nice ratio's and this is where i am currently looking at most seriously.
also, have you never heard of taking two bell housings and making them into one, so you have the start positionening etc of the standard RX7 gearbox.................. its a fairly common method when it comes to gearbox conversions in NZ
How many Supra guys have you seen blow gearboxes?
Their 6 speed getrag gearbox has some nice ratio's and this is where i am currently looking at most seriously.
also, have you never heard of taking two bell housings and making them into one, so you have the start positionening etc of the standard RX7 gearbox.................. its a fairly common method when it comes to gearbox conversions in NZ
#22
I wish I was driving!
Originally posted by Felix Wankel
Valid file extensions: gif jpg png txt zip bmp jpeg mpg mpeg mp3 avi doc xls
Isn't *.xls a spreadsheet file? Of course then, it'd open Excel every time you clicked on it.
Print screen and make a jpg out of it. I want to see this.
Valid file extensions: gif jpg png txt zip bmp jpeg mpg mpeg mp3 avi doc xls
Isn't *.xls a spreadsheet file? Of course then, it'd open Excel every time you clicked on it.
Print screen and make a jpg out of it. I want to see this.
#23
Super Newbie
It does, if you have Photoshop or something similar. Push print screen and then make a new image in the photo program. Hit paste, and your screenshot will be there.
#24
Old [Sch|F]ool
Print screen saves a screenshot to Clipboard (assuming you have Windows). Open your happy friendly image program, start a new file with the same size as your screen resolution, paste into that, then crop it/resize it and save it as a .JPG.
I agree with HWO - T56 trannies aren't a good bet, as they have very tall ratios, and if you run low enough gears in the rearend, your driveshaft speed will be insane (especially if you like to see how fast your car can go - you know who you are!). Plus they are not cheap at all.
I don't see what the fascination with 6-speed trannies is, anyway. If you care about top-end speed, it's probably because your car can't launch for **** (whether due to the car or the nut holding the steering wheel) so it doesn't matter if 1st gear is tall. Likewise, if you're a drag rat, top end doesn't matter.
I agree with HWO - T56 trannies aren't a good bet, as they have very tall ratios, and if you run low enough gears in the rearend, your driveshaft speed will be insane (especially if you like to see how fast your car can go - you know who you are!). Plus they are not cheap at all.
I don't see what the fascination with 6-speed trannies is, anyway. If you care about top-end speed, it's probably because your car can't launch for **** (whether due to the car or the nut holding the steering wheel) so it doesn't matter if 1st gear is tall. Likewise, if you're a drag rat, top end doesn't matter.
#25
Rotary Enthusiast
Yes Firdup (20b rx3) uses a tremac TKO 5 speed, a mate has one fitted to his 13b rx3 but is yet to try it out,
the Tremacs are 3 times a strong as a supra box which are no stronger than a T2 box.
the tremac uses a adaptor plate to bolt to the rx4 type bellhousing but i think they will also bolt to a T2 bellhousing,
the boxes are $4800au there abouts, and the adaptor plate is around the $400au mark, you will also need a different starter as the tremac is larger and the standard mazda starter will not fit, im guessing these are around the $100au mark (they are smaller diamator compared to the standard rx4/t2 type)
you will need your clutch and tail shaft changed to the approate splines.
for value for money nothing is better...
you can buy spedo cables to mate it to the factory mazda speedo as well for $80au.
Best to call rocky +612 97927076 if he is not there speek to George he can help as well.
Dale
the Tremacs are 3 times a strong as a supra box which are no stronger than a T2 box.
the tremac uses a adaptor plate to bolt to the rx4 type bellhousing but i think they will also bolt to a T2 bellhousing,
the boxes are $4800au there abouts, and the adaptor plate is around the $400au mark, you will also need a different starter as the tremac is larger and the standard mazda starter will not fit, im guessing these are around the $100au mark (they are smaller diamator compared to the standard rx4/t2 type)
you will need your clutch and tail shaft changed to the approate splines.
for value for money nothing is better...
you can buy spedo cables to mate it to the factory mazda speedo as well for $80au.
Best to call rocky +612 97927076 if he is not there speek to George he can help as well.
Dale