dilley
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| posted on 9/8/06 at 06:43 PM |
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willwood calipers
Ive fitted wilwood calipers and discs to my car, Ive only had a short blast up the road trying to listen and feel everything that has been changed-and
its alot, the problem is that the padal feels to hard and the brakes dont seem to be working very well, I know that there not bedded in yet but it
doesnt feel right, it actually feels worse than standard sierra brakes, the wheels willl not lock up or even attempt to, I also have an adjustable
bias valve fitted which I have wound out fully but this shouldnt affect the front should it??
I have no knowledge of willwood so is it a case of bedding in??
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RazMan
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| posted on 9/8/06 at 09:08 PM |
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What pads are you using? If the pads are new they almost certainly need bedding in so it will take a few progressively harder braking sessions to
'introduce' them to the discs. They often take a few hundred miles to really bed in.
[Edited on 9-8-06 by RazMan]
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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C10CoryM
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| posted on 10/8/06 at 02:28 AM |
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What master cylinder are you using?
Reason I ask is because if you use too large of a master cylinder bore, the pedal will apply fast (hard pedal feel) but with less force.
"Our watchword evermore shall be: The Maple Leaf Forever!"
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dilley
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| posted on 10/8/06 at 05:42 AM |
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Im using standard sierra.
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procomp
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| posted on 10/8/06 at 07:10 AM |
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Hi to use 4 pot calipers whith standard rear setup wether it be drum or disk you will usualy have to use a twin cylinder bias brake setup. If you do
some research on the wscc forum you will see how many people spend thier money on new 4 pot fronts and are not adviced to up grade the
cylinder's or look at the bias and end up with worse brakes than what they started with. The other thing to consider is that a car of this type
whith the bog standard brakes plus a set of uprated pads be it cortina or sierra will stop one of our cars with 300bhp at the same rate as the same
car with £1000 a corner f3 brakes . So the upgrade on front ally 4 pot is only cosmetic nothing wrong with that but you have to take into account the
rest of the setup .
Forgot to mention the one benifit of unsprung weight when fitting ally 4 pot's
cheers matt
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bimbleuk
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| posted on 11/8/06 at 07:58 AM |
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Hi,
I've just fitted a 4 pot kit for Sierra hubs. I also felt exactly what you describe. Very wooden and no bite at all. I've now done 200
miles on them and they are starting to work really well.
I do however have a twin cylinder bias brake system fitted several months before the 4 pots.
I don't think the stiff pedal will change much but you'll find you may need less effort as they bed in.
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NS Dev
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| posted on 11/8/06 at 09:20 AM |
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quote:
Originally posted by procomp
Hi to use 4 pot calipers whith standard rear setup wether it be drum or disk you will usualy have to use a twin cylinder bias brake setup. If you do
some research on the wscc forum you will see how many people spend thier money on new 4 pot fronts and are not adviced to up grade the
cylinder's or look at the bias and end up with worse brakes than what they started with. The other thing to consider is that a car of this type
whith the bog standard brakes plus a set of uprated pads be it cortina or sierra will stop one of our cars with 300bhp at the same rate as the same
car with £1000 a corner f3 brakes . So the upgrade on front ally 4 pot is only cosmetic nothing wrong with that but you have to take into account the
rest of the setup .
Forgot to mention the one benifit of unsprung weight when fitting ally 4 pot's
cheers matt
That's the only reason the raceleda calipers went onto mine, just couldn't bear to bolt on something as heavy as the cortina caliper!
Next question, with std sierra rear calipers and raceleda 4 pot fronts, in terms of master cyls, 0.625 front and rear or 0.625 front and 0.75
rear?????
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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procomp
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| posted on 11/8/06 at 02:07 PM |
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Hi nat rear sierra i usually use 0.70. front will depend on piston size's if it's verry simalar to the std cortina on combined area again
i usually use 0.70 and seems to give a good range of adjustment on the bias bar . Also pedal ratio will count but i dont think that the st one is to
far from ours so should be alright . IMHO .
cheers matt
PS you will definatly need to save on the unsprung weight with those big 14" on there.
[Edited on 11/8/06 by procomp]
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