Richtiger
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| posted on 1/11/08 at 09:17 PM |
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big brakes or servo or neither?
its winter went out the other night bit damp car just spinning up all the time and tail end out most of it. so decided maybe its time to wrap it up
for a bit and come back stronger next summer. which brings me to my brakes. i just dont think they are up to the job. they came on the car so i assume
guy just used standard fit discs and pads. but i want them to be sharper. i dont want to spend the earth what should i do? bigger discs better pads?
if so whats the options if not what other options i got. drums on the rear is that an option for disc maybe. i dunno.
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zetec
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| posted on 1/11/08 at 10:04 PM |
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Even the standard Escort disc/drums should be up to the job for road use. Might be worth giving them a overhaul and get some decent pads. Dont think
worth swapping the rears.
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britishtrident
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| posted on 2/11/08 at 08:52 AM |
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Problem is hydraulic pressure; your current set only gives about 1/2 to 2/3 the pressure required --- roughly 1/3 the pressure you would expect see
in the donor Sierra.
Choice of three ways to fix it properly:
(1) Refit the servo
or
(2) Fit a smaller bore master cylinder
or
(3) Convert to a balance bar setup with small bore master cyinders.
Option (1) the servo is simple but robbs the brake of feel and increases pedal travel..
Option (2) is also simple but pedal travel will also increase slightly.but should retain good feel
Option (3) is also a good option but is more expensive than (2) and introduces a fiddle factor in setting up the brakes --- good for track but not so
good for road use.
Doubtless somebody will advise you to fit massively expensive oversized alloy front calipers, this won't really solve the problem while it will
increase the force exerted on the front pads the actual pressure per unit area of pad won't increase and the surface temperature of the pads
will be well below the working range so the pads will be more likely to glaze giving poor upredictable braking..
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scudderfish
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| posted on 2/11/08 at 10:10 AM |
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There is also
4) Move the point that the servo connects to the brake pedal closer to the brake pedal pivot to give yourself a greater mechanical advantage.
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