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muncie clutch problem - HELP!


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#1 _2door350_

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Posted 28 April 2012 - 04:01 PM

Hi,

Trying to setup my new Autogear M22 on the desk before it goes in my HT on Monday, Ordered a Hadfield hydraulic slave bracket CB03 which arrived last night, dummy it up on the bellhousing (factory 10.5" chev passenger side fork entry with factory clutch fork) and the angles are all wrong!

Looks to me that it doesnt work with the factory fork? Rodshop told me it will when i ordered it, rang them yesterday arvo, apparently their 'expert' is away till monday lunchtime...

Got car booked in my mates workshop first thing monday morning to swap in my new 350 and muncie for old 350 and t400, Need a solution?

ANyone got a pic of thier hydraulic muncie clutch setup?Attached File  IMG_1171 re3size.jpg   682.85K   2 downloads

#2 dattoman

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Posted 28 April 2012 - 06:47 PM

Hydraulics are the devils work... thats why

#3 Kockum

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Posted 28 April 2012 - 08:28 PM

The CBO3 bracket should be correct for a left hand fork.

First picture of a HK 327 with an 11" (Truck) bellhousing which is slightly different to the 11" passenger car bellhousing. It uses a CBO3 bracket. The slave cylinder is genuine Holden. The throw out fork was cast by Ingersol in Melbourne but had no provision for a return spring so this one has had a piece added for the return spring - that's why it looks weird (but it works well).

Looking at your photo, it would appear that you have a right hand clutch fork cylinder - the bleeder and fluid line should be at the top. You could try turning the cylinder up the other way, but even then, I don't think it will work properly because the lug for attaching the fork return spring would then be against the bellhousing.

Posted Image

This photo is of a early genuine HK327 with right hand fork - that's why I think your cylinder is a version of this one. If you get your cylinder and dummy fit it to the right hand side, with the bleeder at the top like this one and the return spring lug will be on the outside, which is how it should be.
Posted Image

This photo is of a PBR Cylinder that will fit a left hand fork - if you try to put this one on the right hand side, you end up with the same problem as you have now.
Posted Image

I don't know if this PBR Part No is still current but here is a picture of the part no of the cylinder in the third photo:

Posted Image

This is hard to put into words but the other important thing I noticed in your photo is that the body of the cylinder, when oriented the way you have it there, is not supported properly by the bracket. If you have a close look at my first picture you can see that the cylinder is fully supported by the bracket whereas the way you have yours at present means the bulk of the cylinder bore is in free space - ie is sticking out way past the bracket. You can perhaps get a better idea of this point from my last photo below which shows a cylinder sitting in the correct orientation against a Left hand fork bellhoousing on a Dellow bracket
Posted Image

#4 debkar

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Posted 28 April 2012 - 08:53 PM

P4519 is standard EK slave cylinder as far as I am aware, would hope Repco would have them?

Hope you get it sorted

Regards Simon

Edited by debkar, 28 April 2012 - 08:54 PM.


#5 76lxhatch

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Posted 28 April 2012 - 09:53 PM

As above your slave is definitely upside down, mine is driver side so I can't really be any more helpful but I will say that the CRS adapter is pretty crummy and needs washers/shims to get it in the right spot anyway

#6 LJ RB30

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Posted 29 April 2012 - 12:46 PM

Nothing new about having to modify CRS gear to make it do what they say it will!!!!!

#7 _2door350_

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Posted 29 April 2012 - 05:41 PM

Thanks for all the pics and help so far,

I see your points about the cylinder orientation and have mounted it the other way, which has it supported and the bleed and feed lines right way up.

Makes the clutch fork look even more wrong, looking at the pics it seems i need a fork which bends the other direction?

kockum - never heard of 'ingersol' do you have their contact details?

#8 debkar

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Posted 29 April 2012 - 08:06 PM

Hi

I think that if you swap slave cylinder P5841 for a P4519 as Knockum has used, you will be fine,

Incorrect slave cylinder supplied, worth a try at least I would think,

Regards Simon

Edited by debkar, 29 April 2012 - 08:09 PM.


#9 Kockum

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Posted 29 April 2012 - 10:39 PM

2door350 ,

Unfortunately I can't help you much with Ingersol - They were an engineering / fabrication outfit that supplied Super Plus speed shop with cast iron clutch forks and slave cylinder brackets for chev conversions when ' S P ' was in Bennett street , Dandenong many moons ago .

I have no idea if Ingersol is still in business .

#10 warrenm

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Posted 30 April 2012 - 07:30 AM

Hi 2door350, what ratio M22 did you purchase?

#11 _2door350_

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Posted 30 April 2012 - 08:06 AM

Its an M22W - the wide ratio box

#12 _2door350_

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Posted 03 May 2012 - 08:05 PM

well, its all in and sorted, no thanks to dellow or the rodshop!....cut, heated and welded fork,a couple of spacers to clear the slave bracket from the headers, and modified pivot point on the pedal and i ended up using a 5841 slave cylinder after achieving too much travel from the 4519. Also had to machine down the master cylinder reservoir and cap to clear the stock throttle lever mounted on the firewall.

End result - near stock clutch pedal feel, heaps of adjustment available..

thanks for all the advice

#13 debkar

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Posted 03 May 2012 - 08:11 PM

Good result, pain about the rest of the work that shouldn't have needed to be done if the parts were correct to start with

Regards Simon

Edited by debkar, 03 May 2012 - 08:13 PM.





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