750 brake master cylinder

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e30-EVN
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Post Tue Feb 04, 2020 10:54 am

When fitting a 750 master, will I need to remove the standard e30 block in the engine bay and fit an adjustable bias valve?

Also, the 750 master is on the wiki as a "direct swap" for the e30 item. So I take it I need to put my spacer in as I have the clio servo

Thanks :cool:
A 2 door e30 with 8 cylinders, what could be better winkeye :D
clarko74
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Post Tue Feb 04, 2020 4:25 pm

I didn't fit a bias valve and it was fine.

And yes, you will need to put the spacer in, but having said that I made my spacer for the 750i m/c so it might be worth checking that the hole is the same depth in both of them before installing the new one.
clarko74
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e30-EVN
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Post Tue Feb 04, 2020 5:15 pm

clarko74 wrote:
Tue Feb 04, 2020 4:25 pm
I didn't fit a bias valve and it was fine.

And yes, you will need to put the spacer in, but having said that I made my spacer for the 750i m/c so it might be worth checking that the hole is the same depth in both of them before installing the new one.
Oh right ok that's great thanks for the reply mate.


My car has the Mazda rx7 callipers fitted. Not what I would have preferred but previous owner had fit them so I've run with those for now.
I will leave the bias valve out for now then and see how they feel as they're easy enough to put in if I need one
A 2 door e30 with 8 cylinders, what could be better winkeye :D