[Diy_efi] Re: over a million turbos at that time and not one

[Matt Porritt]

I'd presume that '0 failures' was while the cars were under warrantee and
unmolested by people like ourselves with bleed valves etc.
NOTE: you were discussing 'brittle failures'.. That=B9s a little different to
the actual failure of the turbos is it not? (wheel loosing its bond a
brittle failure?)
--=20
Matt Porritt
RC Race Cars and Supplies
ICQ #22776813


On 3/1/03 7:02 AM Jay Wallace wrote

> Phil,
> The discussion at the time was an exchange with scientific representative=
s
> from the Japanese Ceramics trade organization JFCC (Japan Fine Ceramics
> Center) As I recall, it is a quasi-governmental trade organization that
> also does research. Anyway, their story of > 1M ceramic turbos in the fie=
ld
> without a single failure was in line with what we heard from scientists a=
t
> Toyota and NGK. Note: we were considering brittle failure mechanisms and
> statistics for CERAMICS and would not have included bearing failure or th=
e
> such. I also suspect that these numbers didn't include data from foreign
> object damage, track cars or heavily modded cars, but it was not discusse=
d.
> I don't think that they were spinning anything but I guess that I am also
> naive.


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