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Assistance needed. Brake Master cylinder swap

Barrman

Well-known member
5,132
1,505
113
Location
Giddings, Texas
The stock master is easily rebuilt with cheap parts. Replacement stock masters are pretty cheap as well. However, if you are going to be doing anything besides shows, parades and just driving slow on weekends. I would suggest a dual line master as mentioned in the thread George linked to above. It might only stop a little bit better every time, but at least it will stop if you loose a line or wheel cylinder compared to nothing with the stock master.
 

lstmate

Member
301
-1
16
Location
Jasper, IN
I have done the upgrade mentioned on the M715zone discussion page. It is a direct bolt on dual master cylinder. It works great!!! I also did the wheel cylinder upgrade discussed there too. I paid $12.99 per wheel cylinder and just a small backing plate modification and they bolt right on and work great!! The wheel cylinders for the M715 run around $54.00 when I was looking. I think the master cylinder was $17.00 at O'rielly. Of course you need to split the front and back lines. I probably spent less than $100-$130 for everything including all lines. The zone has a very good step by step instructions on how to do it.
 
Last edited:

lstmate

Member
301
-1
16
Location
Jasper, IN
One more thought... Use Silicone brake fluid and not the DOT3. If it sits you will not have to worry about moisture in the wheel cylinders corroding them up.
 
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