TREMEC TRANNY FOR RB

Discuss the RB20, RB25 and RB26 series engines.
User avatar
kcsturbocustoms
Posts: 42
Joined: Sun Feb 08, 2009 7:54 pm
Car: 240sx s14

Post

Would any one be interested in a adapter kit to run a tremec tranny.example tko, tr 6060. Let me know, in the works. /


User avatar
Cjmartz2k
Posts: 1845
Joined: Sat May 19, 2007 1:39 pm
Car: Hunting for a '89 GTR now
Location: Okinawa, Japan

Post

Um, f*** yes

User avatar
kcsturbocustoms
Posts: 42
Joined: Sun Feb 08, 2009 7:54 pm
Car: 240sx s14

Post

Anyone else BUMP really need to know if its something the majority of the rb community wants.

robbie2883
Posts: 605
Joined: Thu Jun 01, 2006 5:36 am
Car: 1998 RB25 Kouki

Post

if it means an easy alternative to importing a new tranny then YES!

User avatar
Cjmartz2k
Posts: 1845
Joined: Sat May 19, 2007 1:39 pm
Car: Hunting for a '89 GTR now
Location: Okinawa, Japan

Post

I think people aren't responding because they don't see it actually happening, not because they don't want it. Cheap and stronger trannies with options for stuff like 6 speed's and stuff would be a dream for the RB community. I've got a good RB25 5 speed and I would ditch it for a tremec at the first sign of trouble. I've already broke 2 RB25 trannies.

User avatar
Fibre guy
Posts: 712
Joined: Sun Mar 08, 2009 12:57 pm
Car: 91' s13 RB25DET, 95' s14 bone stock, 87' Wrangler 4.6L stroker

Post

kcsturbocustoms wrote:Would any one be interested in a adapter kit to run a tremec tranny.example tko, tr 6060. Let me know, in the works. /
I really hope this is a rhetorical question....Reliable to 600 pounds of torque, 6 speed, and doesn't have to be imported, let's think...

User avatar
kcsturbocustoms
Posts: 42
Joined: Sun Feb 08, 2009 7:54 pm
Car: 240sx s14

Post

Going to make it happen just need alittle r&d.

ralphsdiorama
Posts: 811
Joined: Thu Apr 14, 2005 4:42 pm
Car: 1991 240sx, 1998 240sx (RB project)

Post

Please get this going. it would be a godsend!

User avatar
USMCgetsome
Posts: 2030
Joined: Wed Apr 14, 2004 7:38 pm
Car: OWN S13.5 RB25DET/2003 G35
Contact:

Post

who's gonna drop 2500 on a tranny? I wanna see this! For you career rb heads i can see this happening but most people would shy from it so i can only say that a very small percentage would buy this. Stand by for the fan boys!

User avatar
Neejay
Posts: 2256
Joined: Sat Jan 03, 2004 3:50 pm

Post

USMCgetsome wrote:who's gonna drop 2500 on a tranny? I wanna see this! For you career rb heads i can see this happening but most people would shy from it so i can only say that a very small percentage would buy this. Stand by for the fan boys!
+1, as unfortunate as it is...

johnny butt
Posts: 690
Joined: Tue Nov 13, 2007 8:19 am
Car: 1993 240sx Convertible

Post

USMCgetsome wrote:who's gonna drop 2500 on a tranny? I wanna see this! For you career rb heads i can see this happening but most people would shy from it so i can only say that a very small percentage would buy this. Stand by for the fan boys!
He has a good point, but at the same time there are people that would be more inclined to pickup RB25 projects and start putting down mad power because of the availability.

Just look at RB motor swaps, a while back they were hard to come by and people were somewhat overwhelmed with what all had to be done to put it in a 240. Now that there are more resources (Thanks Nico), and a community and more and more people with knowledge and availability, there are more and more people opting for RBs rather than SR20s.

I say if you make the part, it will take a bit of time to turn any kind of profit, but eventually the design will help convince people they should shoot for high HP RBs since they can use a better transmission.

Darius
Posts: 4820
Joined: Sun Mar 02, 2003 9:48 am
Car: RB25DET S14 - 665 WHP (SOLD)
Location: Chicagoland

Post

Can somebody fill a brother in here? I have zero experience with transmissions, but if the RB25 breaks, the first and only proven option is to find a Z32 box. It would be nice to have a price-competitive option in a more common and newer transmission.

One question I have is why would a person want a 6-speed transmission in a turbo car?

And second, what would be provided with the adapter kit? How would the transmission input shaft match the RB clutch? Would other parts also have to be swapped out to make this work?

jdmser
Posts: 716
Joined: Thu Oct 09, 2003 1:31 am
Car: duh

Post

I would much rather see an affordable kit to put a TH350/TH400/glide on the back of an RB. Once you get beyond the power level of the FS5R30A can handle an auto makes more sense to me.

User avatar
Fibre guy
Posts: 712
Joined: Sun Mar 08, 2009 12:57 pm
Car: 91' s13 RB25DET, 95' s14 bone stock, 87' Wrangler 4.6L stroker

Post

Well the tr 6060 was mass produced for the shelby gt500 mustang dropping the price from 3.5k to 2.5k for new.6 speed's can have the same top gear ratio with smaller 1-5 gear ratio differences than 5 speeds. Meaning you can find your engines power band in more different speeds. I like the high HP auto's too only down side is their weight. But who doesn't want a paddle shift RB?

User avatar
Shocker
Posts: 2082
Joined: Sun Aug 01, 2004 2:40 pm
Car: 89 240sxHB rb26/30

Post

Id be down, I'm a bit more of a TKO600 fan myself.

However putting the bit of R/D required for such an adapter plate and marketing it at a fair price I see no reason why I wouldn't sell.

User avatar
USMCgetsome
Posts: 2030
Joined: Wed Apr 14, 2004 7:38 pm
Car: OWN S13.5 RB25DET/2003 G35
Contact:

Post

again i agree with above post. although it will only interest maybe 10-20 a year? and i know most of them would sell here lol!

DrifterProdigy85
Posts: 1817
Joined: Sat Jul 02, 2005 7:42 pm
Car: 1989 Nissan 240sx (Zenki Onevia)

Post

jdmser wrote:I would much rather see an affordable kit to put a TH350/TH400/glide on the back of an RB. Once you get beyond the power level of the FS5R30A can handle an auto makes more sense to me.
http://www.atfbilletparts.com/...p-275

$800 isnt bad for a GM Auto to RB. Mazworx charges around $1000 to put one behind an SR.

User avatar
Joe
Posts: 7274
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

Post

T56

make an adapter/bellhousing youll hit the sweet spot between price and being realistic.

its MASS produced for the cobra, viper, GTO, certain corvettes, camaro, firebird, trans am, you can pick up a good used unit for $1500.

User avatar
kcsturbocustoms
Posts: 42
Joined: Sun Feb 08, 2009 7:54 pm
Car: 240sx s14

Post

Thanks for the input guys. Remember that this means different clutch options and more availability

Largekid
Posts: 331
Joined: Mon Jun 23, 2003 11:24 am
Car: '96 RB S14 SE, '04 LS6 CTS-V

Post

Joe wrote:T56

make an adapter/bellhousing youll hit the sweet spot between price and being realistic.

its MASS produced for the cobra, viper, GTO, certain corvettes, camaro, firebird, trans am, you can pick up a good used unit for $1500.
+1 and they are rebuildable for reasonable prices as well.

User avatar
74260zt
Posts: 425
Joined: Tue Jan 13, 2004 3:35 pm
Car: rb26powered early 74 260z car
Location: Louisiana
Contact:

Post

You have my attention on this. I buy when I see.... Get em made, you'll sell them I'm sure...

User avatar
l0nestar
Posts: 2251
Joined: Fri Mar 10, 2006 5:24 am
Car: 1993 250sx, 2004 Altezza, 1963 Impala SS
Contact:

Post

Joe wrote:T56

make an adapter/bellhousing youll hit the sweet spot between price and being realistic.

its MASS produced for the cobra, viper, GTO, certain corvettes, camaro, firebird, trans am, you can pick up a good used unit for $1500.
+5

User avatar
Jables
Posts: 437
Joined: Fri Jul 29, 2005 8:11 am
Car: 1995 RB26DET S14, 1991 RB25DET S13, 1992 S13 LS1 Coupe
Location: Birmingham, AL

Post

kcsturbocustoms you have email!!!

FAST-DATSUN
Posts: 1019
Joined: Tue Oct 22, 2002 9:46 am
Contact:

Post

Which TREMIC's T56 cost as much as a RB25 trans and is no stronger.T6060 is very expensive used or new...TKO 600 shifter location is a problem, but can be fixed, but requires mods to console and trim...

That said option are always good!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

User avatar
Cjmartz2k
Posts: 1845
Joined: Sat May 19, 2007 1:39 pm
Car: Hunting for a '89 GTR now
Location: Okinawa, Japan

Post

Joe wrote:T56

make an adapter/bellhousing youll hit the sweet spot between price and being realistic.

its MASS produced for the cobra, viper, GTO, certain corvettes, camaro, firebird, trans am, you can pick up a good used unit for $1500.
That's exactly the tranny I was thinking of when I posted my reply. I didn't even think of the plethora of clutch options though! Awesome!!

User avatar
Jables
Posts: 437
Joined: Fri Jul 29, 2005 8:11 am
Car: 1995 RB26DET S14, 1991 RB25DET S13, 1992 S13 LS1 Coupe
Location: Birmingham, AL

Post

the only thing that would change would be moving to a 26 spline input shaft.. You should still be able to use a nissan clutch kit and just have the hub changed. Unless someone changes bellhousings none of the above mentioned clutch kits would even come close to fitting inside a normal nissan bellhousing. Every vehicle that uses those transmissions uses clutch diameters between 10 1/2" - 12". So i don't think there would be that many clutch options quite honestly.

jdmser
Posts: 716
Joined: Thu Oct 09, 2003 1:31 am
Car: duh

Post

FAST-DATSUN wrote:Which TREMIC's T56 cost as much as a RB25 trans and is no stronger.
My thoughts exactly. I know many Cobra/Camaro guys that go auto after reaching the same power levels that destroy the RB25 transmission.

User avatar
Shocker
Posts: 2082
Joined: Sun Aug 01, 2004 2:40 pm
Car: 89 240sxHB rb26/30

Post

jdmser wrote:
My thoughts exactly. I know many Cobra/Camaro guys that go auto after reaching the same power levels that destroy the RB25 transmission.
My main beef with the rb25 trans is its an old and used trans but still costs ~1k. USED and you don't even know if the trans is in decent shape.

z32 gears, syncro's, bearings ect are EXPENSIVE. I've priced them and ended up just replacing the brass in my trans having a buddy do it, and it still cost a few hundred.

Being able to purchase a brand spankin new rb25 trans for like 1.5-2k would be totally worth it and idea but it seems as if this is NOT an option.

I personally would like to see a getrag be hooked to the back of a RB. But only the r34 got this and its $$$, not to mention meant for 4wd.

Then there's the supra 6 speed, which is about as bullet proof as it gets in the world of manual trans, which in fact is the same trans that's in the r34 GTR. But I think its about 3.5-4k from Toyota new. Cheaper than a PPG gear set + used rb25 trans, and holds a good deal more power.

Honestly tho, most people who own s-chassis will run into half-shaft/diff issues before they break their trannys. Granted they don't absolutely smash gears, and power shift...

Andy (Boost3dz) ran into the issue a handful of others have with the 2-3rd shifter plate snapping. A billet/steel piece in place of that would be an option, but if the shifter plate was designed to fail before say... the more expensive gears.. what breaks next?

240z4u
Posts: 2071
Joined: Mon Feb 21, 2005 4:47 am
Car: '95 Nissan 240SX

Post

Shocker wrote:
My main beef with the rb25 trans is its an old and used trans but still costs ~1k. USED and you don't even know if the trans is in decent shape.

z32 gears, syncro's, bearings ect are EXPENSIVE. I've priced them and ended up just replacing the brass in my trans having a buddy do it, and it still cost a few hundred.
This argument has limited merit, good working z32 trannies are cheap. If you are breaking them consistently that is one thing.. however that is not the norm at all.

That said, adapter plates are welcome, but will have such a limited market they will be prohibitively expensive.

Evan

User avatar
eh?
Posts: 1781
Joined: Sat Jan 24, 2004 2:26 pm

Post

jdmser wrote:I would much rather see an affordable kit to put a TH350/TH400/glide on the back of an RB. Once you get beyond the power level of the FS5R30A can handle an auto makes more sense to me.
+1I can't see anyone ponying up $2500-3000 for a slightly better (if that) manual transmission setup .


Return to “RB20DET / RB25DET / RB26DETT Forum”