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Author Subject: Hydraulic clutch conversion
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline
Post #1
Has anyone apart from Gti6girl done this? I'm looking into getting it done and the prices I'm bieng quoted are horrific, it seems it's not particularly straightforward. If you have any info regarding what slave cylinder is suitable etc. that would be much appreciated.

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R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

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Posted 16th Apr 2010 at 20:39
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gti6girl

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Location: Dartford

Registered: 19 Feb 2007

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Post #2
We use an ap racing slave unit which was machined in to the box a little. You will also need a rallye pedal box and loose your servo which makes the braking pretty shit
Posted 16th Apr 2010 at 21:05
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blaze wip

Senior User

Location: Hexham

Registered: 07 Sep 2009

Posts: 926

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Post #3
gti6girl wrote:
which makes the braking pretty shit


So not a good idea then?

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mechanical_repairs wrote:

i feel like giving her a good dry bumming session.
Posted 16th Apr 2010 at 21:07
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline
Post #4
gti6girl wrote:
We use an ap racing slave unit which was machined in to the box a little. You will also need a rallye pedal box and loose your servo which makes the braking pretty shit


When I spoke to A B Motorsport about it they reckoned £400 odd to machine the gearbox to take the slave cylinder. That seemed a bit steep. Do you know exactly whats involved?
I know the AP Racing triple plate clutch is about £900 and the slave cylinder is about £300.

The pedal box is bieng ditched anyway and so is the servo so I know I'll have to get physical on the middle pedal from now on.

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 16th Apr 2010 at 21:14
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gti6girl

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Location: Dartford

Registered: 19 Feb 2007

Posts: 2,692

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Post #5
I suppose it depends on what slave you are using as there are many types. On mine a plate had to be machined to go on the back of the unit and a little off the box where it was catching. Andy baker made my pedal box for me, but i rhimk my braking is due to standard discs and pads
Posted 16th Apr 2010 at 21:21
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gti6girl

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Location: Dartford

Registered: 19 Feb 2007

Posts: 2,692

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Post #6
For what reason would you want to do this conversion?
Posted 16th Apr 2010 at 21:29
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline
Post #7
gti6girl wrote:
For what reason would you want to do this conversion?


Because I want a seriously uprated clutch, as I plan at some point to race the car and the standard setup won't last long under that kind of abuse. I'm going to a bias pedalbox system anyway. The AP clutch can be rebuilt pretty reasonably by sending it back to them, so long term it will work out more cost effective to go that way. I had thought about upgrading to Piper 320 cams at some point down the line, but they said that because lowdown torque was so low in order to get the car off the grid you basicly have to put in about 5000rpm then sidestep the clutch! This will kill off the current clutch arrangement in no time, so I was planning to upgrade that side of things beforehand.

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 16th Apr 2010 at 22:10
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mabgti

NV motors

Location: Bham tunnel @7400rpm

Registered: 28 Aug 2003

Posts: 9,127

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Post #8
x2 on whatever you do daveyboy... i wantBig grin

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Posted 16th Apr 2010 at 23:49
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gti6girl

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Post #9
Sorry i can understand why you would want the clutch but would recomen just running off the cable. I only went down this route as i got the whole setup fitted for around £200 including the clutch.
Posted 17th Apr 2010 at 02:31
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miles

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Location: Ringwood

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Post #10
The pedal end is easy and if you run a pedal box is even easier, You can run a remote servo if you want as well which helps.
I;'d have a look at a BE4 box on a 206 GTi etc as thats got to be the easiest way to fit one or just use the AP bearing with a couple of pipes coming off of it

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Posted 17th Apr 2010 at 02:59
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

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Post #11
miles wrote:
The pedal end is easy and if you run a pedal box is even easier, You can run a remote servo if you want as well which helps.
I;'d have a look at a BE4 box on a 206 GTi etc as thats got to be the easiest way to fit one or just use the AP bearing with a couple of pipes coming off of it


What am I looking at for you to source me a box and supply a hydraulic clutch setup complete?

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 17th Apr 2010 at 17:57
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gti6girl

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Location: Dartford

Registered: 19 Feb 2007

Posts: 2,692

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Post #12
dont spend too much as i think you will be dissapointed as you prob wont notice any difference from a cable apart from a stronger leg
Posted 18th Apr 2010 at 01:02
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miles

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Location: Ringwood

Registered: 28 Dec 2002

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Post #13
LOL, I have been looking for a cheap BE4 box for a while so I can have a nose

________________________________________

306 Rallye Sptint/Race Car, 205 CTI 1.9 8v to name a few

Road, Track and Race/Rally car preparation to your personal requirements,
Full Workshop & Diagnostic Facilities
New and Second parts, from Plugs to Turbo's
We now also carry out Routine Servicing
www.pugracing.com

& FB Page, https://www.facebook.com/PugRacing

Ebay; http://stores.ebay.co.uk/Pug-Racing-Shop

2012/2013/2014/2019 Class Winners at Gurston Down Speed Hillclimb & Joint overall, Class record too along the way,
Posted 18th Apr 2010 at 01:17
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dj_turbo

Regular

Location: Shaftesbury

Registered: 11 Jun 2005

Posts: 219

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Post #14
I used an ap twin plate in my old paxo and the pedal was heavy but ok i extened the gearbox arm this helped alot.
I now use a helix 7 ¼ race clutch in my 205 with a be3 gearbox and a custom release bearing and the pedal is fine the bite is harsh but it will be even with hy set up.
Posted 18th Apr 2010 at 02:59
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adam b

Seasoned Pro

Location: The Nam

Registered: 24 Jan 2006

Posts: 12,828

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Post #15
Just stick a V6 in and you'll be halfway there Razz

If you get the box side sorted then there are a few cable to hydraulic setups about if it helps Smile

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Posted 18th Apr 2010 at 19:41
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

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Post #16
I have a BE4 box I can take a picture of, but for those that oknow 205's, its just like a BE1 but with a slave cylinder instead oft he quadrant, IIRC some early BX's had the cable directly on the arm like this.

also some partner vans had a cable setup in the same place as the hydraulic cylinder.

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Posted 19th Apr 2010 at 16:49
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cjm_harris

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Registered: 04 Dec 2007

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Post #17
Try speaking to bobdylan, think he is changing to hydraulic clutch setup?

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Chris
1999 China Gti6 Supercharged Devil [Fun car] >>Project Thread<<
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Posted 20th Apr 2010 at 00:22
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fletch

Track Head

Location: The nearest Shell garage

Registered: 12 Jun 2004

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Post #18
Wouldn't it be better to change the standard clutch every 3 or 4 races at £100 a time?
Posted 21st Apr 2010 at 14:32
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cjm_harris

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Registered: 04 Dec 2007

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Post #19
fletch wrote:
Wouldn't it be better to change the standard clutch every 3 or 4 races at £100 a time?


Certainly would get good at taking the box off etc LOL

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Chris
1999 China Gti6 Supercharged Devil [Fun car] >>Project Thread<<
2000 Bianca 306 Diesel [Work runabout]
Posted 21st Apr 2010 at 15:04
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ecureuil_zx16v

Regular

Location: BRAZIL

Registered: 17 Dec 2006

Posts: 256

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Post #20


http://www.alcon.co.uk/Catalog/14.pdf

that's what I'm doing in my ML5T gearbox, but with Tilton 7,25" 3-disc clutch, also tilton release bearing and master cylinder

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Posted 11th May 2010 at 20:56
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bellcp306td

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Location: Bedlington

Registered: 10 Aug 2009

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Post #21
I have a problem thinking about the car side of things (master) side of a hydraulic conversion.

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Posted 12th May 2010 at 20:46
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

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Post #22
ecureuil_zx16v wrote:


http://www.alcon.co.uk/Catalog/14.pdf

that's what I'm doing in my ML5T gearbox, but with Tilton 7,25" 3-disc clutch, also tilton release bearing and master cylinder


Do you have part numbers/prices for what you have done there buddy?

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 12th May 2010 at 21:38
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ecureuil_zx16v

Regular

Location: BRAZIL

Registered: 17 Dec 2006

Posts: 256

Status: Offline
Post #23
Sure
Still going to install, bought the parts this week from USA, must receive next week:
61-8002 - Tilton hydraulic release bearing, 1,60" tall, 44mm bearing contact (right diameter for the 7,25" clutch) - 320 US dollars
74-750U - Tilton master cylinder kit (with reservoirs and remote kit) - 80 US dollars

Remember, I use a ML5T gearbox,the right is to measure the space available for the release bearing, know how tall it can be.. It varies with the flywheel, the clutch, and gearbox used.

If you use a push-type clutch in the std 215mm flywheel and a BE3/BE4 gearbox, I can measure it for you tomorrow. My car is without gearbox and I have the BE housings of a broken one

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XU10J4RS turbo
Posted 13th May 2010 at 10:23
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline
Post #24
if I'm correct with a BE box you can use a BE4 casing from a DW8 in a Partner on an XU engine, these do use a hydraulic as well as cable clutch so there are off the shelf O.E parts to do the engine end.

not sure how you'd get around the pedal end due to the position of the servo, but probably mount the master inside the cabin above the pedal.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 13th May 2010 at 15:25
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spiky

Seasoned Pro

Location: Cardiff

Registered: 13 Oct 2006

Posts: 2,310

Status: Offline
Post #25
the ford cossie guys a bmw part (thrust bearing )for their hydraulic clutch,

and i dont understand why you need to go to a pedal box to just have a hydralic clutch

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Posted 13th May 2010 at 16:23
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