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Main : Misc New clutch plate

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New clutch plate
New clutch platePopular
SubmitterkululadotgroenMore Photos from kululadotgroen   Last Update2007/11/10 6:45    Tell a friendTell a friend
Hits2720  Comments8    0.00 (0 votes)0.00 (0 votes)
On the left the old, and on the right the new, purchased yesterday. It's got a PHC Valeo center, and he work is of excellent quality, I would recommend these guys any day. It's Norbrake in Boksurg. He says that they'll replace the pucks for R200 if they're worn down...

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Poster Thread
racer135
Posted: 2022/11/26 6:02  Updated: 2022/11/26 6:02
Home away from home
Joined: 2010/2/12
From: Near Bundaberg QLD
Posts: 384
 Re: New clutch plate
Someone put up a n.o.s. Nismo clutch kit for an A series engine recently, I noticed the pressure plate was Unisia branded. Googled them and turns out they were part of the JECS brand, and reading the history of them, I believe Valeo took over the clutch side of things in the early 2000's.

Poster Thread
kululadotgroen
Posted: 2007/11/13 6:36  Updated: 2007/11/13 6:36
No life (a.k.a. DattoMaster)
Joined: 2006/7/12
From: Cape Town ZA
Posts: 1054
 Re: New clutch plate
Hendrik, these engines move a lot of oil at high RPM's, unfortunately in a design flaw, they didn't cater for enough oil return galleries, and as a result, the head tends to fill up with oil, and you get oil starvation around the crank area. The later gen 3 4AGE 16V's took this into consideration, and have an extra oil drain on the intake side right behind the #4 intake runner. They don't have this issue.

Spoke to my dad last night, and he agrees that the cure is to fit a restrictor in the block, to lower oil flow to the head. He did one just this week for someone who races one in Cape Town, it also burned a bearing... They used to even do it on the Ford kent engines he used when doing oval track racing...

Tyrie, I'll run it in at 3PSI, and then have it set on 15PSI, if it lasts a few runs at that boost, I'll have it upped...

But there is a saying, and I think I saw it on this site, which goes, "When in doubt run more boost"...*hehehe*

EDIT: Hendrik, I saw that advertisement, and I'll give em a call. Fortunately my dad has many moons of experience in this kind of thing, and he wouldn't allow me to fit bearings that won't last...

Poster Thread
ddgonzal
Posted: 2022/12/9 0:43  Updated: 2022/12/9 1:12
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31575
 Re: New clutch plate
Interesting ...

* Center in this photo is by VALEO PYEONG HWA CO.,LTD. (Korea)
* Nismo used a Unisia brand cover. And it's now partly(?) owned by Valeo

I've seen the Valeo brand more frequently over the last 20 years. According to the encyclopedia they started as Ferodo (another famous name) producing clutches, and are now a 20 billion euro company having expanded into brakes (1961) and many other other products

Quote:
November 1999 The French clutch company Valeo buys shares in Unisia JECS clutch division to gain entry to the Japanese market

Poster Thread
kululadotgroen
Posted: 2007/11/12 20:44  Updated: 2007/11/12 20:44
No life (a.k.a. DattoMaster)
Joined: 2006/7/12
From: Cape Town ZA
Posts: 1054
 Re: New clutch plate
So last night at eight I got the thing going, and drove it to the garage to put some petrol. Drive around a bit, and go to fast so I miss the turn off to my house. make a u-turn and nail it a bit making lots of smoke and flying stones, and when I hook 2nd it goes *clackclackclack*... I drive it a bit, and it only makes the noise at about 4000 rpm, fear the worst as there is almost no oil pressure at idle, and at home I stand under the bonnet and listen. The noise is coming from inside the engine, so I think it burnt a bearing.

FCUK FCUK FCUK!!!

I was warned though a few months ago, that the seem to have a habit of burning bearings when installed in a RWD. Apparently the cure is to instal a restrictor in the head's oil gallery in the block, so that the oil doesn't dam up in the head. I just don't understand why after more than 8 months of driving all of a sudden last night it had to clonk out...

Anyway, now it'll come out, get stripped down, and rebuilt. Will have my dad do some head work at the same time, to remove the sharp edges in the ports, and match them to their respective manifolds. Also want to install some ARP head studs, and when it's run in, get it tuned on racing fuel at 15PSI,

Screw that, it's gotta go sub 11 when it runs again.

Will probably need some better tyres and some diff work before it goes again...

Watch this space...

Poster Thread
Tyrie
Posted: 2007/11/12 23:44  Updated: 2007/11/12 23:44
No life (a.k.a. DattoMaster)
Joined: 2004/5/4
From: Canberra
Posts: 4200
 Re: New clutch plate
Thats no good mate. The TRD specialist at my local Toyota dealer said to always change the big end bearings before putting a GZE in, even if you think they're fine. Its their weak point apparantly.

Need more boost, 15psi isnt enough

Poster Thread
1200GXman
Posted: 2007/11/13 5:40  Updated: 2007/11/13 5:40
No life (a.k.a. DattoMaster)
Joined: 2003/11/28
From: South Africa, Bloemfontein
Posts: 1469
 Re: New clutch plate
kulula.
At the back of the Speed & Sound magazine there is a place that sells race bearings specifically for Toyota motors.
While at it might as well install a decent set of them.
ARP? Hmmmmm.
That is part of my dream engine also one day but the $$ for them is high.

What is your plan for the engine to prevent this from happening again.Rather curious.

Poster Thread
Tyrie
Posted: 2007/11/11 23:58  Updated: 2017/10/26 6:24
No life (a.k.a. DattoMaster)
Joined: 2004/5/4
From: Canberra
Posts: 4200
 Re: New clutch plate
nice, this is what I'm putting in mine:


Poster Thread
1200GXman
Posted: 2007/11/12 11:06  Updated: 2007/11/12 11:06
No life (a.k.a. DattoMaster)
Joined: 2003/11/28
From: South Africa, Bloemfontein
Posts: 1469
 Re: New clutch plate
Damn, but it does look nice indeed.
My GX also uses a Valeo clutch kit.The guy who installed it for me said he has never had a comeback on them.He swears by it.