Danish Shark

Anyone using a Wilwood brake master cylinder with the hole drilled in the wall between the front and rear fluid reservoirs?

I bought the 260-8556:
https://www.summitracing.com/int/par...8556/overview/

I would think that the level in the front reservoir would get too low because of the steep angle the master is mounted at (brake fluid can transfer from the front to the rear reservoir through the hole)?

Anyone do something (like welding the hole shut) or do you just run it like it is?

/Karsten

Tim Ware

Have you asked Wilwood why the hole is there ?

Danish Shark

Yes, they call it a "feature" that fluid can transfer between the two reservoirs.

It doesn't really matter why it's there, the question is if the Corvette master is tilted too far for this to work without modification (not enough fluid in the front reservoir without flooding the rear reservoir).

Joe79Vette

I have one on my 79. I never noticed the hole. The angle was fine for mine. Both side filled up. No overflow. I kept the stock brake booster.

Joey

Danish Shark

Thank you for answering.
I wonder if the hole was always there on that model?
You didn't notice that the fluid level is higher in the rear?

/Karsten

Danish Shark

Bump

Really, no one else had this problem?

Danish Shark

Well,I ended up plugging the "feature" with Berner chemical metal.
Hopefully it will stick.