6G Celicas Forums

do a quick search- most people check for LSD by rotating axles/wheels or by visual check through the hole.

No bar? LSD
Bar? no LSD

This was pretty much what I believed to be the case 100%. but, now maybe the VC LSD are bar???!

Thats exactly what I thought when comparing the two on my bench and thats what the importer told me as well. He had 3 other beams there when I picked up my engine and I checked every one of them and they all had bars. I would really like to figure out this mystery as I would love to have another one.

Has anyone welded the spider together in the stock tranny? Thats the poor mans LSD. Zero slip and on the dirt they last longer than the pavement.

This post has been edited by turnip: Nov 9, 2009 - 10:04 PM

Seems like SW20 MR2 had an exception to this rule.

Other 'interesting' quotes from today's emails / research:

"The SW20 LSDs have a bar also. We checked this one and it spins like a LSD." (in reference to BEAMS for sale)

"Physically check as in putting the axle and turning one axle and the other side turn. The axle hole has a bar/slab metal, if there is non, its either a viscous lsd or aftermarket. The swap is from a SS-III"


^^ So.. yeah, dunno.. lol.. but hopefully will know before purchase, eh?

more : http://www.mr2.com/forums/turbo-3s-gte/Toy...tification.html





more: http://www.toymods.net//forums/showthread.php?t=8949



CONTRADICTS -



That last is possibly the most important. ^^

This post has been edited by illtuned: Nov 9, 2009 - 10:19 PM

I'm soo confused...

Afaik spinning the wheels is not an accurate test for LSD.

+ Helical LSD locks under deceleration, Viscous does not?

I remember when my GT4 was on the belly lifter and I turned the rear right wheel by hand and only the rear left spun and the front left spun.

Whats the difference between Helical and Torsen? ST205 is said to have torsen rear and central viscous, nothing up front.

I know there's nothing upfront because I'm told I need gearbox fluid WITHOUT friction modifier for lsd.

I agree with you.


As did the ST185RC. All ST185 models had center Viscous Coupling and optional equipment Torsen Rear.



Correct. There was a LSD option for up front, but it was mega expensive and aftermarket only.

S54 Open Diff
In the second picture thats light as you can see completely thru the open tranny.



This post has been edited by turnip: Nov 10, 2009 - 1:58 PM

Well i have a complete engine and tranny from an 1998 jdm non-beams blmzf 6gen celica.
I'm pretty sure that it has an lsd tranny (s54-06d) with it but i can't decide that it's a viscous or it's a helical lsd.
I have an st182 and i bought this engine just for backup. It happened that my original st182 tranny gave up (bearing sound) so i decided just to use the tranny from the st202 engine (my original st182 3s-ge is working flawlessly).
The LSD is there i'm sure about it, the wheel spinning (full throttle in first gear and steering full left and right) test is indicating this, although the cornering behaviour is totally different from the original st182 gearbox so the LSD is definitely there. What i can not figure out is the type of the LSD. Helical or Viscous ? I wants to know it just because of the oil type, i want to use the best oil for the gearbox.
Could you help me out at this ?

This post has been edited by Levus: Nov 12, 2009 - 4:38 PM

I'd say Viscous for a non BEAMS LSD, though if its somewhat like a RWD diff/LSD the Viscous part is sealed off. And to tighen up a Viscous LSD, you'll need shims (look like big washers)

Definitely viscous on the 95-97 E-ST202-BLMZF (SS-III).

I don't have information on the oil weight/ GL grade for the ST202's other than it should have an LSD friction modifier for the S54-06D.

Mechanical LSD for ST202 (atleast in those pre-beams years) is a TRD upgrade, Not standard.

----------------------

Definitely an LSD in the SS-III post 97 (aka Beams SS-III.), We still don't know if it's mechanical.

I assume that redtopbeams website you guys use is US. based? I wouldn't trust everything they say.

In the case of SS-II BEAMS and BEAMS SS-II/SS-III autos is where its uncertain of LSD (yes/no and type).

http://www.toyodiy.com/parts/p_J_1996_TOYO...BLMZF_4301.html

http://www.toyodiy.com/parts/p_J_1998_TOYO...BLMZF_4301.html

41311 CASE, FRONT DIFFERENTIAL
41301‑20190 ST202..MTM..SS3; ｱﾘ(L.S.D) 1
41301‑20230 ST202..MTM..SS3; ｱﾘ(L.S.D) 1 $1,766.16
41301‑32060 ST202, 203..MTM 1 $512.72

Same part numbers.

-------------------------------------------------------------

http://www.toyodiy.com/parts/p_J_1996_TOYO...BLMVF_4301.html

http://www.toyodiy.com/parts/p_J_1998_TOYO...BLMVF_4301.html

41311 CASE, FRONT DIFFERENTIAL
41301‑32060 ST202, 203..MTM 1 $512.72
41301‑32060 ST202..MTM..(SS1, SS2) 1 $512.72
41301‑32061 ST202..MTM..(SS1, SS2) 1 $649.15

Same part numbers.

------------------------------------------------------
http://www.toyodiy.com/parts/p_J_1998_TOYO...BLPZF_4301.html

41311 CASE, FRONT DIFFERENTIAL
41301‑20112 ST202..ATM..(CV, SS2, SS3) 1 $649.15
41301‑20112 ST202..ATM..(SS2, SS3) 1 $649.15
41301‑32071 ST202, 203..ATM 1 $644.95

No mention of LSD.

Guess we're settled now? All Manual SS-III have Viscous LSD
No SS-II has has LSD at all. (With the exception of 1995 Superstrut Equipped SS-II which is essentially SS-III before the trim level was introduced in 1996)
No Automatic ST202 has LSD.

....yeah thought it seems suspicious that all the SS-I SS-II & SS-III had all different end codes to S54: -02A / -06A / -06D except when the SS-III changed to BEAMS SS-III...still had the same number, but apperently changed to a different LSD, a Helical LSD. (would have made sense to change the number)

also on TRD parts

LSD's
ST202･203･206･207 (94.2-98.7) Except below model
ST202･203･206･207 (93.10-95.8) Superstrut suspension model equipped with viscous L.S.D.
no talk of a standard helical LSD either (however only goes to 95)

hmm i think im lost lets get these facts stickied on the 3sge engines post.

I have a question about making the 5th gear longer on the ss-III s54 tranny.

Would you have to use a s51 5th gear or the e56 5th gear? how about a longer final drive??

This post has been edited by BonzaiCelica: Dec 9, 2009 - 12:25 AM

So can anyone find the answer to my question or the post that was talking about s54 tranny. I already tried searching for that post, but I couldnt find anything.

...............S54...... E56........ E154 (GT4)
Reverse -3.153... -3.583..... -3.545
1st........ 3.285..... 3.538 ..... 3.380
2nd ....... 1.960 .... 2.045 .... 1.910
3rd........ 1.322 .....1.333...... 1.260
4th........ 1.028..... 1.028...... 0.920
5th........ 0.820..... 0.820...... 0.730
Final Drive 3.944.... 3.944...... 4.290

255 km/h with the S54
261 km/h with the E56
269 km/h with the E154
^ I hope I've got those right

hi guys, all ss-III's have an LSD, from 93.10-95.8 have an e56 transmission with viscous lsd. From that point on the ss-III's have an s54 with helical LSD.

ss-II's may have them as it was an option, so different to what some people think a beams engine does not always come with an lsd, only if it is from an ss-III is there any guarentee. Had a freind who got stung by the seller claiming the box was from a beams car so had an lsd, i did warn him its a gamble and in the end he took the chance but sadly it had no lsd .

I think the helical lsd is the same as the lsd used by the zzw30 mr2 spyder, not sure its exactly the same part but they are compatible with the s54 iirc but would need to confirm.

This post has been edited by Edophus: Dec 11, 2009 - 5:49 AM

hey edophus ever get that confirmed whether zzw30 lsd can be fitted into the s54 tranny??