Guys,
do you know how to tell the diffrence between the eary type and newer? They look hardly the same. thx
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Early type brake pressure regulator
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With the ABS on, it's absolutely not a problem. I'm looking in to taking the ABS off for track.
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Originally posted by Rusty View PostAn extra 30mm dist radius takes care of that. With the ABS off, the rears lock up like a hydraulic handbrake on a rally car! not ideal. Bigger rear brakes mean more heat capacity, so more consistent braking. There's only so much grip available, so with the ABS off, I want the fronts to lock first (for obvious reasons).
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There is a big hex headed plug on one end, I assume that is used to set pre-load on a valve spring or something inside. I didn't want to start messing with it though.
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Oh yes, where's that? Pic? It may be underneath on mine, as I can't see a part number on the top or front.
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An extra 30mm dist radius takes care of that. With the ABS off, the rears lock up like a hydraulic handbrake on a rally car! not ideal. Bigger rear brakes mean more heat capacity, so more consistent braking. There's only so much grip available, so with the ABS off, I want the fronts to lock first (for obvious reasons).
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Surely the later type will be better for you with your rear brake upgrade? Or are you starting to lock up?
I want more rear bias! Its a same I just refitted mine & bled the brakes
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From S2central, all in Bar:-
Front___Rear up to 92___Rear after 92
_50______30 - 35_______37.5 - 41.5
100______45 - 50_______51.5 - 57.5
So, early type reduces brake pressure to the rear by quite a bit.
Ideally, I'll fit an adjustable one but wanted to try off the shelf first, as it'll be a lot neater and there's a question mark about the adjustable regs with ABS. I'll be plumbing it in before the pump, as per the OE one, so that's perhaps not an issue.
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It sits in front of the master cylinder on early cars.
What is the difference between the two different parts Andy?
For reference:
early 893612303A
late 8A0612303
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