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On Tue, 15 Dec 1998, Ned Ritchie wrote:
> Spark Plug Help. . .
> Try W7DTC Bosch without the R
> BP6ET from NGK
I'll second the W7DTC. I had a hard time finding a set of these (had to
order them eventually) but they worked well in my 5KCSTQ running 15 - 17
psi boost with the EFI adn 3" exhaust. I recently tried a set of Bosch
Platinums and they fouled up very quickly. I put in a set of Bosch
tri-electrodes just before sellingthe car a couple weeks ago, so I
probably will never know how well they worked out.
> My plugs are also WR7DTC. They look fine (not burnt, etc) with the
> exception of the one with a cracked insulator. (Just as a point of
When I removed that first set of W7DTC plugs, I had one plug where the
centre ceramic insulator fell down, shrouding the centre electrode.
Other than that, I never had any trouble with them. :-)
Graydon D. Stuckey
No Audis! :-(