It appears that the shims are designed to distribute the force more evenly
across
the casting as well as providing a very slight angle. I thought the major reason
for shimming was to achieve complete release of the piston in the cylinder.
Ron
CalSpeed@aol.com wrote:
> Hello,
>
> I am right in the middle of replacing the brake master to a new Nissan unit.
> Just to make a quick update, the unit that I am replacing wore out
> prematurly. It only lasted about 1 1/2 years, 10 thousand miles or so.
> Anyway, based on the info from Roadster Master Ross at Sports Imports it
> appears that I may have installed tha last unit incorrectly. He told me that
> the unit needs to be shimmed so that the plunger moves in the barrel freely
> and straight. When I looked at my master I saw that it was slightly tilted
> upwards. Meaning that over constant use the plunger would have worn out the
> seal by dragging over the bottom of the barrel.
>
> My question is about shimming. I dont have any. ;>) Can I use washers? My
> thought would be that washers would eventually push into the firewall over
> time. I am also using one of Stans great brake braces.
>
> Michael "Calspeed" Carion
> 67.5 SRL311-000248 Solex
>
> Dont forget to visit my new website!
> http://members.aol.com/calspeed/index.html
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