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Brake Master Cylinder Stopper

Greg
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Greg Veteran

Greg

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I got a new front strut brace which incorporates a brake master cylinder stopper into its design.

Just thought I would post some feedback on the effectiveness of it.

As soon as I drove the car I could notice the difference in pedal feel. Instead of feeling a spongy/soft, the pedal is nice and hard. Also prior to fitting this I would get a slight vibration while braking. This is gone. I'm don't believe it alters the effectiveness of the brakes, but IMO is worth it just for the pedal feel.

I hope this helps someone :D

ps I don't know the thread of the bolts used to attach it (first question I had when fitting). some bolts I had lying around fitted :)

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https://www.sau.com.au/forums/topic/73591-brake-master-cylinder-stopper/
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Greg Veteran

Greg

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www.nismo.com.au have them for $99. they also sell a strut brace with built in master cylinder stopper (what i got) for $165.

Remember to mention that you are an SAU member to get your 5% discount :P

I went and got some new bolts (so they were pretty and matched). I took one of my other bolts along that fitted and matched it up to a thread tester which stated that the thread was (metric) 6 x 1.0 mm. The bolts I got were labelled as 6 x 40 mm (ie 40 mm long).

edit: 40mm is too long go about 25-30mm

Bl4cK32 Grand Master

Bl4cK32

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OK people....speaking of the clutch master cylinder flexing....today the clutch hanger snapped the spot welds. The two bolts that poke through the firewall, if you look inside the car there is a bracket the clutch pedal hangs off with the studs for the master cylinder going through the wall... It popped the spot weld(s) on the left hand side of the bracket.

It now needs to be taken out and reinforced then put back in. It leaves me worried what will brake next when i put it back. Time to make the clutch stopper....

(ive got a OS twin plate clutch so its by no means a heavy pedal either:))

Sydneykid Grand Master

Sydneykid

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OK people....speaking of the clutch master cylinder flexing....today the clutch hanger snapped the spot welds. The two bolts that poke through the firewall, if you look inside the car there is a bracket the clutch pedal hangs off with the studs for the master cylinder going through the wall... It popped the spot weld(s) on the left hand side of the bracket.

It now needs to be taken out and reinforced then put back in. It leaves me worried what will brake next when i put it back. Time to make the clutch stopper....

(ive got a OS twin plate clutch so its by no means a heavy pedal either:))

We have had the same thing happen to the R32GTST race car and it has an OS Giken twin plate in it as well:cheers:

Bl4cK32 Grand Master

Bl4cK32

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unfortunatly no. As the bracket curves downward making cableties slip off as you push the pedal in.

I tried cableties, and using some small vice grips to clamp the bracket together. I was stuck at work in the carpark, and had to call a towtruck to get it home :D

Sydneykid Grand Master

Sydneykid

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don't cable ties fix this problem Gary :D

Yep, if you use enough of them and they are big enough. Plus you need to be able to lie upside down with your feet on the driver seat headrest and your head on the brake pedal for half an hour while you do it. All without throwing up. :wassup:

Sydneykid Grand Master

Sydneykid

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unfortunatly no. As the bracket curves downward making cableties slip off as you push the pedal in.

 

I tried cableties, and using some small vice grips to clamp the bracket together. I was stuck at work in the carpark, and had to call a towtruck to get it home ;)

You have to use one cable tie over the front to hold the others in place. It took me quite a while to work it out, but we were at BATHURST and I wasn't missing out on a run down Conrod. :D

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