Master cylinder help
11-05-2018, 12:23 PM
#1
Bring back old skool Ford
Thread Starter
Master cylinder help
Can anyone tell me if a MK4 Escort master cylinder will fit a MK3 servo? Think i need to upgrade from the 22.2mm to the 23.8 or 25.4 if i can.
TIA
TIA
11-05-2018, 03:08 PM
#2
10K+ Poster!!
I cannot say for definite but most master cylinders and servos seem to work together.
I have mixed Peugeot with ford stuff for example.
I have mixed Peugeot with ford stuff for example.
11-05-2018, 05:34 PM
#3
Bring back old skool Ford
Thread Starter
They more or less look identical from what I can see but knowing my luck they wont work together! I don't mind buying a new MK4 servo as I'm sure it can only benefit but I cant find one anywhere
11-05-2018, 07:02 PM
#4
10K+ Poster!!
I have a 205 gti one and a 306 one if you need some to try for size?
11-05-2018, 07:57 PM
#6
10K+ Poster!!
Well if you get stuck I will post to you and you can post back. I know some people are funny about couriers to NI so if you need anything shipping I can prob take delivery and send on.
15-05-2018, 02:42 PM
#7
Bring back old skool Ford
Thread Starter
Really appreciate that, thankyou. Im going to take a gamble and order a MK4 unit as the general opinion is that they will work ok
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15-05-2018, 03:26 PM
#8
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20-05-2018, 07:44 AM
#9
OCD Victim
Pre and post ‘83 are different due to the distance where the master bolts to the servo.
post ‘83 are all compatible with the exception of abs master cylinders. These can be adapted by blanking off ports if I remember but I cannot confirm how the bias will work on these abs ones
For reference, there is also 3 different rear cylinder sizes on the mk3 and a standardised middle one on the mk4. Altering these along with the different master cylinders can make a rear difference in how the brakes operate.
I run a 24mm master and 17.8mm rear cylinders on my mk4 Cabriolet with the larger xr/rs drums and 260mm front discs and have nice, balanced brakes.
post ‘83 are all compatible with the exception of abs master cylinders. These can be adapted by blanking off ports if I remember but I cannot confirm how the bias will work on these abs ones
For reference, there is also 3 different rear cylinder sizes on the mk3 and a standardised middle one on the mk4. Altering these along with the different master cylinders can make a rear difference in how the brakes operate.
I run a 24mm master and 17.8mm rear cylinders on my mk4 Cabriolet with the larger xr/rs drums and 260mm front discs and have nice, balanced brakes.
Last edited by iansoutham; 20-05-2018 at 07:46 AM.
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