triumphs
[Top] [All Lists]

[Fot] brake pad and rotor discovery and update

Subject: [Fot] brake pad and rotor discovery and update
From: tedtsimx at bright.net (Ted Schumacher)
Date: Wed, 11 Jul 2018 09:53:39 -0400
References: <1496073395.378283.1531254099121@connect.xfinity.com> <20180711010004.ACC712588EC6@autox.team.net>
We are a distributor for KFP and have been involved with their product 
since they started. Ted


On 7/10/2018 8:01 PM, Dennis DeLap via Fot wrote:
> Also try KFP magnum pads.
> Pauric inc. Canton Ohio
> 330-453-9757
> ------------------------------------------------------------------------
> Sent: ?7/?10/?2018 4:41 PM
> 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
>
>
>
>
> _______________________________________________
> fot at autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/tedtsimx at 
> bright.net
>
>

-- 
Ted Schumacher
tedtsimx at bright.net
http://www.tsimportedautomotive.com
108 S. Jefferson St.
Pandora, Ohio, USA 45877
Fax: 419.384.3272 (24 Hrs.)
Phone: 800.543.6648 (US & Canada)
Tech/ Gen. Information/ Worldwide: 419.384.3022

-------------- next part --------------
An HTML attachment was scrubbed...
URL: 
<http://autox.team.net/pipermail/fot/attachments/20180711/6f276d5d/attachment.html>

<Prev in Thread] Current Thread [Next in Thread>