Bud, that's because the pads are made for another application. They just happen
to fit our cars. Ted
Sent from my Verizon Wireless 4G LTE Droid
On Jul 14, 2018 3:42 PM, Bud Rolofson via Fot <fot at autox.team.net> wrote:
>
> I use KFP 5076 gold magnum pads, they have a 3 stamped on the back. I bought
> a set for my TR6 originally but ended using them on GT6 calipers that I have
> on my race Spitfire. The first set fit perfect but the newest set required a
> touch of the drill to move freely on the pins. That seems to be a common
> occurrence lately with quite a few pads. Wonder why.
>
> Bud
>
> Sent from my Commodore 64
>
> On Jul 10, 2018, at 6:01 PM, Dennis DeLap via Fot <fot at autox.team.net>
> wrote:
>
> Also try KFP magnum pads.
> Pauric inc. Canton Ohio
> 330-453-9757
> ________________________________
> From: DAVE HOGYE via Fot
> Sent: ?7/?10/?2018 4:41 PM
> To: Friends of Triumph
> Subject: [Fot] brake pad and rotor discovery and update
>
> Hello Friends,
>
> I have been finding out quite a bit about the unusual and developing front
> brake pad, rotor and caliper issues that I have discovered on my TR3.
>
> ?
>
> What I found was that the Carbotech CT-57 pads were causing the problem.
>
> ?
>
> The supporting or backing plates of the pads had been ground down at
> Carbotech, far under the normal plate width that I measured in 4 other
> production pads that I have on hand.? Besides that, they were not ground down
> squarely.
>
> ??
>
> This allowed the piston to take tremendous side load under braking causing
> the uneven and diagonal wear pattern in the pads.? This also caused the rotor
> to contact the caliper as the pads took on heavy uneven wear.
>
> ??
>
> The slot in the TR6 caliper is 3.095" and the four non-Carbotech pads sets
> have a plate width of no less than 3.082".? The Carbotech plates have an out
> of square measurement of 3.030-3.050".? That's as much as .065" clearance in
> the caliper slot.??
>
> The plates have too much clearance.? I found that a maximum of .010" backing
> plate to caliper slot clearance is more normal.? One set of pads have only
> .005" clearance.?
>
> ?
>
> Furthermore, the corners of the Carbotech plates and pads were ground down
> far enough that the lower end of the pads hardly made contact with the
> caliper slot allowing more stress on the caliper piston.
>
>
> I have been going back and forth with Carbotech on this matter and I will be
> sending back the badly worn set along with a brand set that have the same
> production issues.? I bought the two sets at the same time last August.??
>
>
> What I found is that any backing plates that show evidence of sanding or
> grinding marks should be measured for proper clearance, but that really,
> there should be no sanding or grinding marks...ever.
>
>
> All of the other pads I have show no evidence of sanding or grinding marks.?
> The previously shaped friction pads are cleanly attached to the backing
> plates and the backing plate is revealed around the friction material.? Only
> the backing plate makes contact with the caliper slot.??
>
>
> It looks like I have to find another race pad supplier.??
>
>
> Thoughts?
>
>
> Dave H.
>
> 831-234-4928
>
>
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