On 1/9/2018 8:31 PM, Mad Roger wrote:
> On Tue, 09 Jan 2018 17:20:53 -0600,
> AMuzi wrote:
>
>> You might want a second opinion on those parts prices:
>> http://www.rockauto.com/en/catalog/toyota
>
> Wow. What a difference in prices from the Toyota dealer!
> It's not half, it's not a third, or a fifth - it's one tenth the price!
>
> The only thing I need now is to know the OEM shoe friction ratings.
>
> I'd be perfectly happy with just-as-good friction pads as OEM at those
> RockAuto prices of basically $12 per "something".
>
> I guess I need to call RockAuto in the morning at 1-608-661-1376 (Wisconsin
> time zone) to figure out two critical things:
>
> 1. How many shoes come for $12 (one?, two? four?)
> 2. What's the cold/hot friction rating?
>
> It's shocking that Toyota didn't know the friction rating, and RockAuto
> doesn't know the friction rating based on their web page (admittedly good
> prices).
>
> The friction rating is the *most* important thing about a brake shoe -
> nothing else even matters if they are a worse friction rating than what you
> want.
>
> And yet, the RockAuto page lists shoe after shoe after shoe after shoe
> after shoe (Centric, Bosch, Wagner, ACDelco, RayBestos, PowerStop, Monroe,
> BeckArnley, Bendix, etc.) and not one of them specifies the most important
> thing about a brake shoe!
>
> WTF? It's impossible to buy brake pads or shoes without knowing the
> friction rating. Who on earth can possibly compare two brake shoes without
> that critical information?
>
> It's not like a brake shoe has any other major job but friction.
>
> The higher the number the stronger the friction (SAE J866a):
> E = 0.25-0.35
> F = 0.35-0.45
> G = 0.45-0.55
> H = 0.55-0.65
> http://faculty.ccbcmd.edu/~smacadof/DOTPadCodes.htm
>
> Given RockAuto and Toyota don't seem to tell people the pad's friction
> rating, I have to wonder ... do people really buy friction materials
> knowing nothing about their cold & hot friction coefficients?
>


There are no asbestos brake linings available so everything
else now is similar and adequate.

--
Andrew Muzi
<www.yellowjersey.org/>
Open every day since 1 April, 1971