RE: Porterfield

["John Katos" <john_katos@domain.elided>]

My son James runs Porterfield R4 pads front and rear in his GTV6 all the
time. He has no cold braking problems and wear is fair. He has no brake fade
problems at either Road America, which if you are not familar is a 4 mile
high speed track with some pretty heavy downhill braking. He does not have
any problems at Blackhawk Farm Raceway which is a 1.89 mile twisty track. I
have R4S in my Audi 5000 TQ boat and they work great. I used both R4 and R4S
in my late great daily driver Milano. The R4 didn't last very long but were
great, the R4S were fine.

John Katos

-----Original Message-----

one of the features of the Porterfield (and some other high
performance/racing pads) is the ceramic insulator built in (at least, they
used to have this.)

this is of particular value when you have overheating problems (Alfetta
fronts in race environments, inboard rears), as they help keep heat out of
the calipers, which if unchecked leads to boiled fluid which can be most
unpleasant (my IT alfetta consistently had braking problems at watkins
glen, usually happening 1/2 way through 12-15 lap races, always due to
fluid boil. i was using the ereminas semimetallics at the time. it's
something that i need to address when-and-if the car is returned to the
fray. watkins glen is not a fun place to have the brake pedal go soft and
squishy.)

richard
--
My son runs
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