[V8Vairs] Mailing list

Frank F Parker fparker at umich.edu
Sun May 6 20:57:41 EDT 2012


> I think Ryan Countermand did.  I have a booster and MC combo to put on my 2nd car, but haven't done it yet.  I bought it from MP Brakes.  It is a 7" dual diaphragm (I didn't think an 8" one would fit due to interference with the trunk shelf above the gas tank.
>
I have a Master Power brakes booster in my car but they sold me the wrong 
one and I had to eat it. REplaced it with the 7 in dual diaphram on and it 
ALSO failed to provide sufficient pressure for best stops. They gave me 
alot of crap but not enough vacuum but they were full of it as I used a 
vacuum pump to supply 22 " ore more to booster and it still was iffy. You
have to buy pressure gauges and adapters to really see what is going on. 
Bought my fluid filled ones from McMaster Carr. They had suggested a 1.125
master which ended up being too big. A 1.0 in worked better.
Watch out if u have big calipers. Mine are Z06 calipers at all 4 corners 
and they have a lot of volume requirements compared to smaller calipers.
A slightly smaller pedal ratio will help this. Pat C. (angryP) was of 
great help in getting all this figured out.

frank



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