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Re: Bosch Platinum Sparkplugs
Posted by Goldberger Stephen (more from Goldberger Stephen) on Thu, 24 Feb 2000 18:55:38
In Reply to: , Kok Chen, Sat, 17 Dec 1988 12:00:00

>Will Bosh 4 electrode sparkplugs provide a perceptible performance =
>enhancement in a '97 9000 2.3 Turbo?

What they may do is confuse the Trionic engine controls. The Saab circuit
uses the spark plug as a sensor to detect the ionization potential of the
burnt gasses in the combustion chamber, to fine tune the fuel air ratio and
to detect knocking. I'd be concerned that a markedly different spark plug
geometry would affect the readings.
Stephen Goldberger, Editor and Publisher
NINES, the magazine of the SAAB Club of North America
vist our web site at http://www.saabclub.com


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