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914World.com _ 914World Garage _ Dual Master Cylinder Setup

Posted by: Racer Chris May 21 2004, 04:25 PM

I finally got everything bolted up and ready to add fluid.
These are Tilton M/C's and brake pedal with a heavily modified Tilton mounting bracket. The red hose is a bias adjuster with a knob in the cockpit.
There is a microswitch up front for the brake lights.


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Posted by: Racer Chris May 21 2004, 04:26 PM

Here's what the pedals look like.


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Posted by: Mueller May 21 2004, 04:26 PM

nice install......are you running "huge" calipers now or just needed the adjustibility of this setup??

Posted by: Racer Chris May 21 2004, 04:27 PM

I had to make shortened actuator rods to fit things in the space available. The long one came with the M/C.


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Posted by: Mueller May 21 2004, 04:27 PM

think it'll take a while to get used to having the pedals on different pivot points?

Posted by: tat2dphreak May 21 2004, 04:29 PM

DUDE! that looks sweet!

Posted by: Racer Chris May 21 2004, 04:30 PM

QUOTE(Mueller @ May 21 2004, 06:26 PM)
nice install......are you running "huge" calipers now or just needed the adjustibility of this setup??

Vented rotors with M calipers up front and modified stock rear calipers.
Working within SCCA limitations.
I wanted more flexibility than the stock M/C setup provides.

Posted by: Racer Chris May 21 2004, 04:32 PM

QUOTE(Mueller @ May 21 2004, 06:27 PM)
think it'll take a while to get used to having the pedals on different pivot points?

I bet it will feel strange at first.
But I'll be used to it after one race. biggrin.gif

Posted by: ss6 May 21 2004, 04:35 PM

You make it look so easy. smilie_pokal.gif

Kinda close to the go-pedal, though, or is it the angle the pic was taken from?

Posted by: Racer Chris May 21 2004, 04:40 PM

QUOTE(ss6 @ May 21 2004, 06:35 PM)
Kinda close to the go-pedal, though, or is it the angle the pic was taken from?

The picture angle makes it look too close, but it's just about right for heel and toe braking/downshifting.

Posted by: skline May 21 2004, 07:01 PM

I am impressed..........and not worthy pray.gif pray.gif pray.gif pray.gif pray.gif

Posted by: Jeroen May 21 2004, 07:10 PM

Nice job Chris!

I found this recently... tempting wub.gif

cheers,

Jeroen


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Posted by: tat2dphreak May 21 2004, 07:16 PM

QUOTE(Jeroen @ May 21 2004, 07:10 PM)
Nice job Chris!

I found this recently... tempting wub.gif

cheers,

Jeroen

OMG!!! I think I'm in lust!

how $$ will that kill my wallet?

Posted by: skline May 21 2004, 07:24 PM

Yeah that is sweet, I wonder where you would find something like that?

Posted by: Racer Chris May 21 2004, 08:01 PM

QUOTE(Jeroen @ May 21 2004, 09:10 PM)

I found this recently... tempting

I actually started down a similar path, but realized that adjustments and maintenance were too much of a hassle with the m/c's down there. I was 75% done even and changed my mind. You can see the 2 holes for the dual m/c's in this pic.

I bled the system tonight and am a disappointed by a little flex in the sheet metal. Apparently the reinforcement I made wasn't enough. The pedal does feel nice and firm, so otherwise I like it so far. smile.gif

One more thing, I installed Earl's "solo-bleed" bleed screws, but had to remove them. It is impossible to fill a dry system with them in place. They might work fine on a system that is already bled once.


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Posted by: lapuwali May 21 2004, 08:52 PM

What's interesting about Jeroen's pic is that it doesn't look like the M/Cs go through the sheet metal. It looks like that blue thing on the end is the fitting for the brake hose. Both M/Cs are entirely inside the footwell. Hm. Where is that pic from, and are there any other details?

Posted by: Jeroen May 21 2004, 09:09 PM

The pedal box shown is a modified stock box (although this is a later one, mounted in an early 911)
Brackets for the M/C were added and a provision for the balance bar on the brake pedal
All is inboard mounted...

I contacted the owner. He was planning to make more of these to sell, but he doesn't have the time at the moment
<_<

cheers,

Jeroen

Posted by: URY914 May 22 2004, 05:53 AM

Once again Chris, you've done a nice job.

Paul

Posted by: Part Pricer May 22 2004, 06:52 AM

I had to put the two of these together. I got tired of scrolling up and down to compare them.

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