Yes! I had to shim my rotors because the inside pad would not fit. Total
PITA. Shimming the caliper is a breeze with factory shims.
DH
> On March 7, 2018 at 6:59 PM Charly via Fot wrote:
>
>
> I have used all sorts of brake pads for my 16p caliper on my 69 TR6,
> Porterfield, Hawks, LBC, and others from ceramic to semi metallic. I always
> plan to drill them out, sometimes
> I get what I think are pads for 16PB, which I think have smaller holes.
> I've had problems with the height being to tall and not sliding in the
> caliper, some being different
> thickness and having trouble inserting them. I always plan to modify them
> to make them fit, sometimes I've had to reshim the caliper mount to move it
> over a few thousands to
> center it. I just think of it as part of making the brakes work. I'm now
> doing mine twice a year, must be going faster or braking harder!
> Charly Mitchel
> TR6 #44
>
> On Wed 07/03/18 4:21 PM , Brad Eells via Fot fot at autox.team mailto:fot
> at autox.team .net sent:
>
> > > Hello Amici,
> > Porterfield brake pads in the R4-1 compound were recommended to me.
> > I
> > dutifully ordered a set for my Spitfire.
> > I should mention the car has been upgraded to GT6 brake calipers,
> > the
> > venerable Girling 16P. My TR4 and 4A also use the 16P. I have been
> > buying brake pads for these cars for over 35 years.
> > I have had my calipers rebuilt and purchased new retaining pins as
> > well. The Porterfield pads arrived. I found 2 issues. The pad
> > compound
> > shape was not the same as every pad I have previously purchased or
> > what is shown on Porterfield's website. I also found the retaining
> > pin holes in the puck to be too small. The puck itself is the same
> > general dimension as my original Girling Competition pad and does
> > fit
> > in the caliper but I cannot put the pins through the holes.
> > I simply assumed they had sent pads for the later GT6, the Girling
> > 16PB or M16PB that use 3/16" retaining pins.
> > 8 Emails with manager, Wendy and 1 phone call with engineer Tim and
> > we
> > still have a disagreement. I was told they had sold that exact pad
> > "for 25 years" for my application and no one had ever had a problem
> > or
> > complained. When I asked why I couldn't simply have what was shown
> > on their website as the pad for the 16P, I was told that was just a
> > general illustration and not correct for any specific application.
> > They have offered to drill out the retaining pin holes to fit my
> > pins.
> > I am honestly disappointed that I simply can't have what fits out
> > of the box and to have to argue the point back and forth through
> > multiple Emails and a terse phone call.
> > So, my questions to those of you running a 16P (late TR3 through
> > early
> > TR6 and GT6 1968-72 along with many other British applications) are:
> > 1. Are you using Porterfield pads in your calipers?
> > 2. Have you found them to fit the standard 1/4" retaining pin?
> > 3. If you have found them to not fit the pins, are you drilling
> > them
> >
> > out yourself?
> > 1. Does the difference in pad shape concern you at all (photo
> >
> > attached)?
> > 1. If not Porterfield, then what are you using? Without
> > divulging any
> >
> > speed secrets, of course...
> > I'm close enough to their facility that I can appear there with my
> > pins, pads and calipers to prove what they disbelieve...it just
> > shouldn't have to come to that with a reputable company from my
> > view...
> > Your thoughts and experience are appreciated.
> >
> >
> > Thanks!
> >
> > BRAD EELLSCHINO CA#35 DP 1962 TRIUMPH TR4#76 FP 1969 TRIUMPH
> > SPITFIRE
> > MK31965 TRIUMPH TR4A IRS...FOR THE ROAD!
> >
> > > _______________________________________________
> fot at autox.team mailto:fot at autox.team .net
>
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