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Old Mar 8, 2010 | 10:07 PM
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Arrow Remote servo?

My Mk3 Escort will be getting an ST170 6 speed box.... only thing is the servo will need to be ditched and replaced by a pedal box set up due to space.

I'm not so keen on having to heave on the brakes in a road car, so are there any good options for a remote servo?

...or any other ideas?
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Old Mar 9, 2010 | 05:26 AM
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I would think that the Cosworth brake servo might fit as it doesn't have the vacuum assist.
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Old Mar 9, 2010 | 07:03 AM
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his question states hes after servo assisted brakes not sure how much room you need but the 2l mondeo one is shorter slightly but a larger dia?

Last edited by mercgrey; Mar 9, 2010 at 07:04 AM.
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Old Mar 9, 2010 | 11:05 AM
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Don't see any kind of conventional servo fitting in the given space....

Has anyone used the Cossie servo in other applications?
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Old Mar 9, 2010 | 12:07 PM
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Might be worth increasing size of master cyl to lighten pedal, will increase travel of course though.
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Old Mar 9, 2010 | 12:31 PM
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http://www.merlinmotorsport.co.uk/pr...edium=Shopping
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Old Mar 9, 2010 | 01:53 PM
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I hve the cossie servo trial mounted on a mk4 firewall and it at least frees up space as there is no traditional vacuum drum included. I don't know how much space you require and how well this is suited to a LHD car.
I could take a measurement for you, if I knew what to measure.
As a bonus, it's a superior servo that works always equally and not depending on the throttle position (amount of vacuum).
Remote servos are of course another standard way of solving this kind of issues and have been used for ages even as standard fitment.
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Old Mar 9, 2010 | 11:15 PM
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Originally Posted by JesseT
I hve the cossie servo trial mounted on a mk4 firewall and it at least frees up space as there is no traditional vacuum drum included. I don't know how much space you require and how well this is suited to a LHD car.
I could take a measurement for you, if I knew what to measure.
As a bonus, it's a superior servo that works always equally and not depending on the throttle position (amount of vacuum).
Remote servos are of course another standard way of solving this kind of issues and have been used for ages even as standard fitment.
Sounds interesting! Is your car LHD? Are you attempting this beacuse of the 6 speed box also?
LHD shouldn't be an issue as the main difference is the lack of a crossbar from the right hand side. All the braking gear is in roughly the same place on both versions.

Could you post photos?
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Old Mar 10, 2010 | 06:09 AM
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Yes, it's a LHD. Would be strange to have a RHD over here...

I can post you some pictures perhaps tomorrow.

I'm not doing the servo conversion because of the 6-speed box. I'm doing the conversion because of left foot braking, rear disc conversion and pure pedal feel and wondering if I might get away with a 6-speed conversion easier because of it.
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Old Mar 10, 2010 | 02:16 PM
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Ok, here is the Cossie electrohydraulic servo connected to a mk4 RST firewall using a 2cm thick spacer to change the bol pattern. Luckily the pushrod is 2cm longer on the Cossie servo. As you can see, not much of the package comes below the master cylinder line. The lowest part is the ABS actuators that can also be removed to my knowledge if/when ABS is not needed.


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Old Mar 10, 2010 | 08:36 PM
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Will there be any room in the engine bay for all that?!

Hard to visualise where it will sit, but I'm imagining it would sit where the gearbox is on a LHD car....
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Old Mar 10, 2010 | 10:24 PM
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It will sit where the original one will be, next to the left hand side turret, just without the big vacuum drum.

Are there any good pictures of the Getrag 6-speed as it sits in an RST engine bay?
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Old Mar 11, 2010 | 09:24 AM
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ade there shouldnt be any issuse with you running you normal brake servo.

your 6 speeder is being mounted on a craddle
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Old Mar 11, 2010 | 10:38 AM
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Originally Posted by bezo
ade there shouldnt be any issuse with you running you normal brake servo.

your 6 speeder is being mounted on a craddle
You think? Me and Simon had a quick look at the LHD bay and it looked even tighter than a RHD model as the servo sat lower and nearer the bulkhead.
I'll happily be proven wrong though!
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Old Mar 11, 2010 | 12:24 PM
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hmmm illl have another look, but i rekon itll fit.
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