Brake and Clutch Master Cylinders
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Tim Rowe (1130)
The Terrible Tims
Joined: Fri Sep 28, 2007 7:56 pm Posts: 747 Location: In the garage,Sileby, LEICS GTM: Cox/Coupe
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 Brake and Clutch Master Cylinders
Right then, onto the next dimension that I need on the car. What distance are the master cylinders from the bulkhead? I've got a measurement from where they were, but there was a front bulkhead modification, that I think pushed them closer to the driver, which is a bad thing for me! I know I could probably work it out, but I thought I'd try and keep the measurement as standard. The best dimension, would probably be from the bulkhead directly underneath the screen to the center line of the cylinders. 
_________________ Tim Rowe
"Is est totus perfectus per fumi quod speculum"
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| Fri Jan 23, 2009 9:11 am |
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gtmdriver
On the Road
Joined: Tue Oct 30, 2007 8:44 am Posts: 632 Location: Chester le Street
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 Re: Brake and Clutch Master Cylinders
Strangely I have no dimensions for this but I have a couple of photos that you may be able to scale from.   Hope that helps.
_________________ GRP rules!
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| Fri Jan 23, 2009 9:41 am |
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West
Admin, and Coupe Nutter
Joined: Fri Sep 14, 2007 10:34 pm Posts: 1769 Location: In the workshop GTM: Cox/Coupe
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 Re: Brake and Clutch Master Cylinders
_________________ IF wile e coyote had a GTM he would have one with Nitrous too! watch out road runner! The First GTM into the 11s then the 10s, PB 10.87 @ 125.5 Mph on A048 tyres, and fully road legal at Santa Pod
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| Fri Jan 23, 2009 2:05 pm |
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Tim Rowe (1130)
The Terrible Tims
Joined: Fri Sep 28, 2007 7:56 pm Posts: 747 Location: In the garage,Sileby, LEICS GTM: Cox/Coupe
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 Re: Brake and Clutch Master Cylinders
I just assumed that they were drilled already! I'll go and have a play tonight. Are mini pedals the best to use, or are there alternatives that are better to go with? I've fitted the panel in my bulkhead, so I can start mounting it all tonight. I'm glad I've amused you Neil. 
_________________ Tim Rowe
"Is est totus perfectus per fumi quod speculum"
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| Fri Jan 23, 2009 2:10 pm |
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gtmdriver
On the Road
Joined: Tue Oct 30, 2007 8:44 am Posts: 632 Location: Chester le Street
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 Re: Brake and Clutch Master Cylinders
The steering column runs between the brake and clutch pedals so that means you have very little leeway in actual fact.
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| Fri Jan 23, 2009 3:13 pm |
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epuoC MTG (591)
Part built GTM
Joined: Fri Nov 09, 2007 6:09 pm Posts: 90 Location: Burntwood, Staffs GTM: Cox/Coupe
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 Re: Brake and Clutch Master Cylinders
Tim Rowe (1130) wrote: Are mini pedals the best to use.... So far as I remember from when my Coupe was roadworthy, it had modified/shortened Mini clutch and brake pedals... modified in that they had been cut roughly half way along the thicker/wider part of the pedal arm, each half then overlapped to the required length and then seam welded... Made then slightly "heavier" in use due to reduced leverage etc., but put them at a more useable height from the floor. I'm sure there's something in either the build manual or the GTMOC technical manual of a lot of years ago... I'll see if I can find it over the weekend if it'd help..
_________________ Regards, Pete.
MGF Mk2 VVC Jaguar X-Type (regular use tin-top). Aston Martin V8 Vantage or DB9, I'm not fussy! (one day, maybe..) Merc Axor (company 'car').
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| Fri Jan 23, 2009 8:37 pm |
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gtmdriver
On the Road
Joined: Tue Oct 30, 2007 8:44 am Posts: 632 Location: Chester le Street
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 Re: Brake and Clutch Master Cylinders
epuoC MTG (591) wrote: Tim Rowe (1130) wrote: Are mini pedals the best to use.... So far as I remember from when my Coupe was roadworthy, it had modified/shortened Mini clutch and brake pedals... modified in that they had been cut roughly half way along the thicker/wider part of the pedal arm, each half then overlapped to the required length and then seam welded... Made then slightly "heavier" in use due to reduced leverage etc., but put them at a more useable height from the floor. I'm sure there's something in either the build manual or the GTMOC technical manual of a lot of years ago... I'll see if I can find it over the weekend if it'd help.. Yes that's right. Off the top of my head I reckon they were shortened by about 2". I also found that I had to shorten the pedal box for some reason. 
_________________ GRP rules!
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| Fri Jan 23, 2009 8:45 pm |
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Ken555
On the Road
Joined: Fri Sep 28, 2007 7:39 pm Posts: 573 Location: Aberdeenshire GTM: Cox/Coupe
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 Re: Brake and Clutch Master Cylinders
This help ?
Attachments:
pedal.jpg [ 21.78 KiB | Viewed 8968 times ]
_________________ Member No 1185
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| Fri Jan 23, 2009 8:52 pm |
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Andy
Ready for SVA
Joined: Thu Nov 15, 2007 10:22 pm Posts: 363 Location: Ireland
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 Re: Brake and Clutch Master Cylinders
I'm going to the garage tomorrow so if you still need measurements I can get them for you, the triangular bit that sticks out from the pedal box can be cut off if its in the way, we use to do this all the time when racing to reduce weight, once the box is attached to the front bulkhead and top (master cylinders) the third attachment is not necessary. I have just converted mine all to remote cylinders to reduce the pedal pressure especialy on the clutch but I also have it setup to take twin cylinders for the brakes so a seperate front a rear cylinder. If anyone needs a new brake/clutch master cylinder I have 2 that have been used to set my car up but have not been used on the road. 
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| Sat Jan 24, 2009 7:34 pm |
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tonygerrard(1049)
Part built GTM
Joined: Thu Nov 22, 2007 10:31 am Posts: 132
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 Re: Brake and Clutch Master Cylinders
I'm planning to use Fiat X1-9 cylinders using the original support bracket and since they'll be under the scuttle it'll leave more room for a better wiper, but I want to use a lighter column than Dolomite. So does anyone know if Rover 100/Metro spline end fits on the mini steering rack - or can it be legally & sucessfully welded. The steering wheel & stalks look ok and if I can find a mounting method I might get 2 speeds and an intermittant wipe too!
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| Fri Jan 30, 2009 6:44 pm |
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the other Tim
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 Re: Brake and Clutch Master Cylinders
Tim Rowe is using a single wiper off a Citroen AX i think (front one) which should have all the mod cons. I'm sure he'll enlighten you further 
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| Fri Jan 30, 2009 7:43 pm |
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tonygerrard(1049)
Part built GTM
Joined: Thu Nov 22, 2007 10:31 am Posts: 132
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 Re: Brake and Clutch Master Cylinders
I'm changing clutch and brake master cylinders to Fiat X1-9 & I'm trying to find some more of that 1/4" black plastic pipe for clutch that runs down the tunnel (well it does in mine). Anyone know of a supply plus straight and 90deg bends? Could change to copper but I've just put the gearchange back 
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| Fri May 01, 2009 1:11 pm |
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