AZCRXSI

Good amount of information here...

BIMP

NO BIGGIE. THANKS,

90efhatch

"Finally, if there is some question about whether or not you're S80 has 4.4 final drive or 4.7 final drive you can check the transmission housing. The code "4jhd" means 4.4 final drive was offered as original equipment, while "n3e" signifies 4.78 final drive."


Does anyone know where about this is on the housing?

gutted-dx

iTrader: (1)

I have a hydro b16 transmission that has a crack on the casing. Can anyone confirm what other casing will fit? I haven't really found anything in my searches.

gutted-dx

iTrader: (1)

BUMP

eg_sedan94

So I've been going crazy over the last few days trying to get some solid info on cable trannies from numerous sources that all these transmission threads cite.

1. Y1 Final Drive. From what I can tell its a 4.26 as the chart at the start of the thread states however in the text under that the author says it has a 4.4. Were there usdm and jdm versions of this trans that came with diff final drives? As I understood they were all JDM?

2. A1 gearing and final drive. This is what I'm currently running with my b20, not much is known of these but I found a thread where a guy pulled one apart and figured it all out.

"Redtegra" on G2IC

alright guys i just calculated the gear ratios of my 91 A1 ls trans since i blew mine and took it apart. after all this debating i wanted to know for sure. so here they are no questions asked this is the real ****.

1st = 3.166
2nd = 1.857
3rd = 1.259
4th = 0.935
5th = 0.742
Reverse = 3
Final Drive = 4.4

3. I think it seems pretty much agreed upon that ls ys1 trannies have a 4.26 final as the thread/chart on ff-squad states, however they also say that the usdm s1 is a 4.26 while I've seen other highly trafficed sources say that the usdm s1 has a 4.4 or is this just the jdm s1 that has a 4.4? If thats the case were the a1 and gsr ys1 the only trans to have a 4.4 in the us market? or are the a1 trans actually both jdm and usdm with different gearing between the two models?

I'll continue to update with what I find out, if anyone has actually pulled any of these apart as regtegra did please post back your findings. I'd really like to clear up the fog around cable trans' if for nothing other than my own sanity.

F22Master

Just talked to synchrotech about this earlier.

The ONLY small spline cable transmission to come with the 4.266 FD is the JDM B16 Y1 transmission. Both the LSD and open diff versions came with the 4.266 FD.

BTW, I have 2, 4.4 final drive sets (from s1 cable trannys) that I have lying around, and Im looking to trade/buy a 4.266 FD set!

Deetz

I will take a couple mins and cover some miss info in this thread, mostly concerning the "YS1"

There are at least three versions of this transmission!!

- Usdm tall gear tranny found in 92-93 Integra RS, LS and GS models (B18A)
- Usdm short gear tranny found in 92-93 Integra GSR models only (B17A)

- JDM short gear tranny on Honda Integra Xsi (B16A) This tranny was still rare and most were a standard diff, BUT, There was an even more rare option of oem LSD found on some of these gearboxes also, maybe 1 in 15 had the option. It was rumored that Honda used Quaiffe for this option back in the day.

How do i know this, oh, i own two of them!




Both the usdm and jdm short geared versions of this tranny are the same gearing as each other and have both the advantage of using the newer large spline mainshaft all of the newer hydro tranny's use, plus the interchangeble gears/synco's that can be had over the counter at any Honda or Acura dealer. Basically any 92+ clutch can be used.

It should also be noted that the gearing of these two tranny's is "identical" to that of the usdm ITR transmission

Canadian_EF

someone needs to make a chart with speeds, RPM, and gears, to help identify. There is a small chart in the FF squad link, but it is very incomplete. I'd like to know exactly what transmission I have. It is LSD equipped, and hydro...

it would help identify transmissions without having to open the case, anyways.

F22Master

^ It only takes 2 minutes to pop the case, and another couple minutes to count the gears. Then some hondabond/rtv and close it back up.

Canadian_EF

It takes a little longer than two minutes when the transmission is installed in the car already... :/

BLU CIVIC

so, is the rumor true or not?

Deetz

Not sure, I've never opened one of these tranny's up

0parts@synchrotech

Not to my knowledge and I have opened up a lot of transmissions. Every YS-1 with a factory LSD has a been a 14 bolt Viscous Type LSD. Never has there been a Quaife unit from the factory in them. Quaife also does not make a 14 bolt LSD.

The Y-1 LSD trans with a 4.266 will have a 15 bolt patter on the LSD.



Every now and then you will get lucky and find one with a Mugen LSD or other aftermarket LSD that someone installed at some point

ThaEfSwap

I am posting here to clarify one piece of miss information I personally dealt with.

When using the 1990-1991 JDM Y1 transmission - you can not use a DC Gen integra gsr intermediate shaft. However, when using a 1992-1993 JDM YS1 transmission - this intermediate shaft works fine.

Canadian_EF

Why?

Is it to do with the axle seal, or does the intermediate shaft not physically fit? Pictures?

94EG8

Just to address some miss information, No B-series transmission has dual cone synchros on any gear except 2nd, the RS/LS/GS trans has a standard synchro for 2nd gear, all other hydro models use a dual cone setup for 2nd gear only. Synchrotech and MFactory have just very recently developed a close ratio gear set that uses dual cone synchros for 3rd/4th though: http://shop.synchrotech-transmission...-TRS-01BSB.htm

hadra

hi, i'm just in the process of collecting parts for my audto-manual tranny swap. i've got B16a5 engine with came with auto box only. i read on some forum (sohchonda)that it is also necessary to swap intake manifold - auto to manual one. i think this might be true for D series engines, but does it also apply to B series engine swaps? any info will be apreciated.
thanks

hadra

I've got '99 civic EK with auto box and swaping it with S80 ITR with LSD and 4.4fd. do you guys know if i will have to change any of the shafts? many thanks

262ej1

Would a A1 tranny work on a B1 engine?wiring wise?

F22Master

There are only 2 wires running to the trans, and they are for the reverse switch...

tractionavant

hello i am learning a lot here, thanks to all of you for sharing all this information.
I am doing a swap into a very old french car 1940 citroen traction avant. as i am making the transmission adapter, here is my question:
Is the bell housing bolt pattern the same for all b16 engines?
Thank you
John

Freemananana

iTrader: (3)

Yes. All of the B-series transmission bell housing bolt patterns should be the same.

WalllessTube6

If your swap was pieced together, or if you are unable to determine which intermediate shaft is in your car, here's how you can tell:

The SiR (Y1) intermediate shaft is on top, the 90-93 Integra intermediate shaft is on the bottom.



The Y1/SiR intermediate shaft is stamped "SH3" above the female end, and the 90-93 Integra mid-shaft is stamped "SK7" in the same spot. It's hard to see in this picture, but this one says SH3.


You can break out the measuring tape too, this is an SH3. An SK7 shaft is about 5/8" shorter.



So does the shaft being a bit smaller have to do with my cv axle breaking constantly?? I recently bought a 1990 acura integra ls with a b18a1 & it had the drivers side cv axle broken. I thought, no problem. I can fix that, so I changed the cv axle & when I started to pull out of the drive way it broke again. I then changed my transmission, same exact tranny just in better conditions & also the cv axle & shaft. The tranny & shaft came off of my old integra, also 1990, Gs but it had the same swap. This lasted me only 1 day & the next day when I was going to head out it broke again. I heard supposedly, that autozones cv axles are a bit shorter so I'm thinking if that's true, that should be the problem. But I'm not sure, any help? (Cv axle always pops off from the boot, doesn't really break into pieces)

Thanks in advance for any info!

Rsporty

GREAT INFO!

My only question, that I can't really find experienced, definitive answers about.....

BEST B series hydraulic transmission gear combos for a daily driver, built, naturally aspirated LS motor that's putting down about 170+whp?

I have an LS trans and access to a B16 trans.

OR, should I just look for a GSR trans?

Any input or knowledge shared will be greatly appreciated!