Bigger master cylinder
- Thread starter adam cupra 20vt
- Start date
Because I have 6 pots on the front and 4 pots on the rear.
Used standard one in the end, copes fine
Used standard one in the end, copes fine
I have the same brakes setup and pedal is very softy and only breaks at the final. I need a bigger master cylinder to have pedal harder from the beginning.
I use 18z with ecs 358 mm discs in front and 312 mm with oem cupra r calipers rear. I have bleeded a lot of times but pedal isn't better.
I looked into this as a solution for my previous brake setup
The mk4 platform has a take off on the cylinder for the clutch which makes it much more difficult
The only info I found was a company that have now gone bump that used to strip down and modify another vag group cylinder (rs4 I think)
This is why I sat down and did the fluid displacement maths before changing to my new setup
The mk4 platform has a take off on the cylinder for the clutch which makes it much more difficult
The only info I found was a company that have now gone bump that used to strip down and modify another vag group cylinder (rs4 I think)
This is why I sat down and did the fluid displacement maths before changing to my new setup
Before just saying, I need a bigger master cylinder, there is some fundamental knowledge needed about all the forces involved in the braking system and how they translate into your pedal feel.
If you're trying to say Your master is bottoming out before full Full pressure or clamping. The only fix for that would be a bigger Master. That'll make your pedal harder. You want to use the smallest you can get away with for a balanced pedal. Start by finding out the area of your Pistons, and calculating a % increase in size, whether that will equate to a linear or proportional increase in MC size I'm unsure. I really would try pressure bleeding and using a computer to cycle the abs pump. Don't forget provided you've got 2 per caliper on the front and potentially 2 per caliper on the back, you may have up to 11 bleed points to do..
If you're trying to say Your master is bottoming out before full Full pressure or clamping. The only fix for that would be a bigger Master. That'll make your pedal harder. You want to use the smallest you can get away with for a balanced pedal. Start by finding out the area of your Pistons, and calculating a % increase in size, whether that will equate to a linear or proportional increase in MC size I'm unsure. I really would try pressure bleeding and using a computer to cycle the abs pump. Don't forget provided you've got 2 per caliper on the front and potentially 2 per caliper on the back, you may have up to 11 bleed points to do..
I think you can put connectors in any hole. I suppose they run when you push pedal and apply press to fluid against sender.
But I don't know if connectors are M12x1 like lines.
But I don't know if connectors are M12x1 like lines.
Dual circuit brakes, and each circuit has a pressure sensor.
Spongey pedal feel will be old fluid, air in the system, or both, unless you have been really clumsy and damaged the master cylinder seals, say by pumping the pedal to bleed the system.
Spongey pedal feel will be old fluid, air in the system, or both, unless you have been really clumsy and damaged the master cylinder seals, say by pumping the pedal to bleed the system.
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