The same calipers are used on GT6 9.5? rotors.
Sent from my iPhone
> On Jul 11, 2018, at 8:23 PM, John H. Hasty via Fot <fot at autox.team.net>
> wrote:
>
> What is the effect of using TR6 calipers designed for use on 10.75 rotors on
> TR3 11? rotors ?
>
> Sent from my iPhone
>
> On Jul 11, 2018, at 6:27 PM, Ashley Page via Fot <fot at autox.team.net>
> wrote:
>
>> As Glenn pointed out ID to OD taper happens with some pads.
>> Can also be a sign of loose wheel bearings.
>>
>> But probably as he describes due to higher rubbing speed on OD.
>>
>> You can easily taper cut the pads with a 4? diamond masonry blade from just
>> about any hardware or Lowe?s. You can do it with any number of ways even a
>> hacksaw but anything but diamond will wear quickly
>> Get Outlook for iOS
>>
>>
>>
>> On Wed, Jul 11, 2018 at 2:08 PM -0400, "timmmurphh--- via Fot" <fot at
>> autox.team.net> wrote:
>>
>>>
>>>
>>> From: timmmurphh at gmail.com <timmmurphh at gmail.com>
>>> Sent: Wednesday, July 11, 2018 8:36 AM
>>> To: 'DAVE HOGYE' <dlhogye at comcast.net>
>>> Subject: RE: [Fot] brake pad and rotor discovery and update
>>>
>>> Thanks for this report. We have had some issues with the Carbotech pads on
>>> our TR4 at Blackhawk and the Kcup. We use the CT2-XP10 compound. I will
>>> check our pad to caliper slot clearance. Does anyone know offhand of the
>>> slot on the 16P calipers on our TR4 is the same as the TR3 at 3.095??
>>>
>>> Tim Murphy
>>> #317 TR4
>>>
>>> From: Fot <fot-bounces at autox.team.net> On Behalf Of DAVE HOGYE via Fot
>>> Sent: Tuesday, July 10, 2018 3:22 PM
>>> To: Friends of Triumph <Fot at autox.team.net>
>>> 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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>>
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>>
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>>
>>
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>
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