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Clutch Question


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#1 lakeside

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Posted 14 January 2007 - 06:06 PM

Had a change of plans yesterday, bought a 5sp tremec for the money pit. I'm building a inj308 lc and were going to use an auto, but not no more. So can i setup a hyd system under the dash, want a clean firewall. I don't want any thing going through the firewall unless it must. If i have to go out the firewall i will use cable type.

#2 gtrboyy

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Posted 14 January 2007 - 07:27 PM

lj355 has just had a pedal box setup put in his lj,waiting for pics when he gets the chance.

My lc has the v8 dellow hydraulic clutch setup but I want to fit a pedal box set up as the steering column practically touches the clutch pedal & I would like more room for exhaust clearance & to neaten up engine bay some more.

I pm'd dattoman last year about it but ny car will probably be going to SBC who are a little closer.Willwood sell hanging pedal boxes which are what I want to use.

#3 rodomo

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Posted 14 January 2007 - 08:24 PM

I have read a few threads about the CRS hydraulic conversion dramas with bleeding and have thought there must be a better way. Here is what I came up with but haven't looked at a Torana to see if it is feasible.

Posted Image

The red outline is a conventional clutch master.
The pink dot is the standard pivot at the top of a Torana pedal.
The blue represents an alternative.
It would mean lenthening the pedal above the pivot and making a new mounting for the master.
The master might be sourced from an Econovan or Hi-ace? and a remote reservoir used.
There might not be enough room under the dash for this, but then again?

#4 _LH SL/R 5000_

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Posted 16 January 2007 - 04:50 PM

I had the CRS type setup on my LH, I have been in contact with Mal Wood in QLD. He has suggested a VT master cylinder mounted inside the car with a remote reservoir mounted where ever you want it. It might be worth giving him a call. Here is his WEB SITE.

#5 _rorym_

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Posted 16 January 2007 - 06:50 PM

Rodomo is onto something here...there has to be a simple alternative...when it comes I will do some serious study...maybe I will find it..Datto should have a go too..instead of sitting home changing his avatar every day!
R

#6 dattoman

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Posted 16 January 2007 - 06:56 PM

rodomo is onto something
I believe this is similar to what TrevvyD did to his UC when he fitted the RB30 and matching 5 spd (which he then ditched and went for an injected VK and no idea what box)

I don't have any manual Toranas to have a look at pedals or how to do it I'm afraid
Till then I'll just keep changing av's till I get a "job"

#7 _rorym_

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Posted 16 January 2007 - 07:03 PM

Must be a member near you..this could be a winner if we work on it...specially with a remote reserviour..
R

#8 dattoman

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Posted 16 January 2007 - 07:14 PM

ANyone want to donate some pedals....... maybe attached to a car ?

#9 _rorym_

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Posted 16 January 2007 - 07:18 PM

Sometimes you are really funny...then there is...now?
R

#10 _rorym_

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Posted 16 January 2007 - 09:38 PM

That was humour..
OK..I am off tomorrow arvo so will scour thr wreckers..anyone got any ideas of things that run remote reservours?..Also Neil..does the piston size play a part?..Do I need to stick to 1"?..is that the LH size?

Any suggestions welcome..come on guys lets get this happening.
We have VT Hi ACE, Econovan..What about people movers like Tarago?..I know where there is all the above here so will look tomorrow..any more?
R

Edited by rorym, 16 January 2007 - 09:40 PM.


#11 dattoman

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Posted 16 January 2007 - 09:48 PM

Still waiting to see the pic of your bellhousing where the slave bolts up
Does it use a Ford slave ?

That will determine the master bore size

If its a Ford slave then you want a small bore like 5/8 or .7" master
If it uses the HK type slave which is bigger then an inch you want the 1" HR or HK syyle master...... but I would try to stay away from this

Also pedal ratio will need to be taken into account based on how tall that extra top bit is that your putting on the pedal
That will help to determine the master size

So..... I need to know what slaves being used
What pedal ratio your working on
What throw your clutch needs to work

For starters

#12 _rorym_

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Posted 16 January 2007 - 10:02 PM

PM sent.
Looking at the above..the problem with LHs is the V8 drivers side heads hit the res....now what about.... drilling a hole in the flywall and mounting the res halfway through on the inside with the nose hanging out the engine area..?..If you get my drift.??
R

Edited by rorym, 16 January 2007 - 10:03 PM.


#13 dattoman

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Posted 16 January 2007 - 10:07 PM

Not worried about the res yet..... we can easily remote mount that somewhere........ biggest thing I see with that bellhousing is how to mount a slave on it

#14 _rorym_

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Posted 16 January 2007 - 10:26 PM

New pics coming. Well how about the master halfway through the firewall?
R

Edited by rorym, 16 January 2007 - 10:28 PM.


#15 dattoman

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Posted 16 January 2007 - 10:37 PM

Those are better pics
Unfortunatly set up for the big common HK type slave
Theres a bracket that bolts to the bellhousing then the slave to that

Technically it could be possible to make a new bracket to suit a standard Ford 3/4" slave cylinder then you can use a 5/8 master

You could hang the master out half way thru the firewall if you wanted...... but it would have to be sealed to keep CAMS happy
There are some short cyulinders available that may mean you don't have to do this though
Can you face the master back towards the driver instead as per the pic?

#16 _rorym_

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Posted 16 January 2007 - 10:42 PM

As long as the push arm is not too long I think so....you could offset a pushrod bolted the the clutch arm and move the master off to the left to clear the pedal arm hitting it as it is pushed to the floor if you know what I am trying to say..sort of making a pedal box for the clutch only...we are onto something here...5/8 Ford master mounted on the inside as per above pic with offset pushrod off the clutch arm??
R

Edited by rorym, 16 January 2007 - 10:46 PM.


#17 dattoman

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Posted 16 January 2007 - 11:00 PM

Could work
But as I said I don't have a manual Torana here to play with....... all mine are autos
I have the time.......... just not the items

Theres a manual at Pick a Part though from memory....... I can go for a look tomorrow after I sell some stuff and pull some parts off the datto

#18 _rorym_

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Posted 17 January 2007 - 07:13 AM

I will dig around today.
R

#19 _rorym_

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Posted 17 January 2007 - 09:08 AM

OK...While Datto was ZZZZZzzzzzing I looked at my VY which is probably the same as VT. The clutch master is quite small..has a rod about 100mm that pushes straight off the pedal..about the same distance away from the pedal as the LH and protrudes about 25mm into the engine bay quite low..I reckon down under the drivers side head..The remote res sits up the top near the brake master cylinder. The local wrecker here has about 40 Vts in the yard so will do more investigation today..Excitement! I will try to find a VT with the front cut off so I can get some good close up pics. Would be easier if we stuck with GMH product.
R

#20 dattoman

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Posted 17 January 2007 - 09:23 AM

There are at least 3 of these masters
Try to avoid the one with the plastic pushrod
Try to go with an adjustable pushrod too

I was sleeping till Aidan rang........ now I'll have to get up and do stuff
At least I can have a nananap once I get back from the wreckers this arvo

VT style master is 3/4" too

#21 _rorym_

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Posted 17 January 2007 - 10:56 AM

Is that good? So then use the 1"slave?
R

Edited by rorym, 17 January 2007 - 10:59 AM.


#22 dattoman

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Posted 17 January 2007 - 11:01 AM

Depends on the pedal ratio you end up with

You can always sleeve a slave to suit the size you need

Say that 5 times fast !!

#23 _LXChev366_

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Posted 17 January 2007 - 01:07 PM

I have a custom manual hydraulic set up on my LX car. I dont know the components or thier size as it come with the car. It has a remote resevoir also. But I run a Tremec 5 spd. with a Quarter master hydraulic thrust bearing which is real easy to set up, easy to bleed etc and less working parts... no clutch fork and slave cyl, which gives you heaps of room at gearbox area. I can post pics tonight if required? I have used it all year no problems... it is basically a similar setup as what a Gen3 man Commo uses... master> remote res> hyd thrust bearing. The only hard part is initially setting up the gap between bearing and pressure plate. I have the gearbox out of my car at the moment, so I can show picks of it easy enough.

#24 _rorym_

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Posted 17 January 2007 - 03:43 PM

Groovy! Thanks LX..I have almost worked it out....the wreckers lent me a VT master cylinder today..I will start a new thread with the pics...This is looking good!
R

#25 _kiwiuc_

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Posted 17 January 2007 - 09:45 PM

for what it's worth, my (350 'less) UC has been set up along the lines of the picture in rodomo's earlier post. When I bought the car it was just a rolling body, and used to have an auto in it (TH350). One night as I was staring at it daydreaming about some remote time in the future when it's actually on the road, I noticed a hydraulic hose coming out of the firewall and going nowhere... a bit of investigation under the dash with a torch showed a clutch master cylinder mounted the "wrong" way with push rod actuated off the top of the clutch pedal. I think one of the previous owners must have gone to a bit of effort :D




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