people with twin master cylynders - help needed
30-07-2006, 05:09 PM
#1
Team HOTHOT!
Thread Starter
people with twin master cylynders - help needed
I have a problem with my twin master cylynder setup 
using a 0.7 for the rear, and a 0.625 for the front.
had the car on axle stands earlier today to check that the drivetrain was perfect by running the car in gear, all is good there
but the problem is that the rear brakes are getting very very low pressure to them when hitting the brake pedal, almost nothing at all I might add
I've checked and double checked that everything is bled up properly, the rear calipers are NOT seized neither, and there are no fluid leaks from the brake pipe system. Also when bleeding the system up, there is a good flow of brake fluid from each bleed nipple on the calipers.
Can anyone shed any light asto what the problem may be, as with no brakes, the car aint going to get an MOT, let alone get to fordfair
using a 0.7 for the rear, and a 0.625 for the front.
had the car on axle stands earlier today to check that the drivetrain was perfect by running the car in gear, all is good there
but the problem is that the rear brakes are getting very very low pressure to them when hitting the brake pedal, almost nothing at all I might add
I've checked and double checked that everything is bled up properly, the rear calipers are NOT seized neither, and there are no fluid leaks from the brake pipe system. Also when bleeding the system up, there is a good flow of brake fluid from each bleed nipple on the calipers.
Can anyone shed any light asto what the problem may be, as with no brakes, the car aint going to get an MOT, let alone get to fordfair
30-07-2006, 05:27 PM
#3
Team HOTHOT!
Thread Starter
no inline pressure regs at all Mark
Thing is, it feels there is no braking power at all at the rears, and I need to sort this asap to get the frigging shitheap car thru an MOT
The calipers are the standard BMW E30 M3 calipers front and rear - similar size to standard cossie items on a 4x4 cossie.
Thing is, it feels there is no braking power at all at the rears, and I need to sort this asap to get the frigging shitheap car thru an MOT
The calipers are the standard BMW E30 M3 calipers front and rear - similar size to standard cossie items on a 4x4 cossie.
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30-07-2006, 05:45 PM
#8
Team HOTHOT!
Thread Starter
I made my own brake box, but retained the standard BMW linkage, I worked out the ratio, but cannot for the life of me remember what it is 
Whats the best ratio to aim for? as I will try and adjust this tomorrow by modifying the pedal
Whats the best ratio to aim for? as I will try and adjust this tomorrow by modifying the pedal
30-07-2006, 08:03 PM
#10
Team HOTHOT!
Thread Starter
How much travel is full travel Tony?
Although from memory, before filling the fluid the cylinders were getting full travel.
Also, whats the best pedal ratio to use please?
Although from memory, before filling the fluid the cylinders were getting full travel.
Also, whats the best pedal ratio to use please?
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