plugs & hp increases

[Harper, Kevin]

>----------
>From: 	barrettn at worldnet.att.net[SMTP:barrettn at worldnet.att.net]
>Sent: 	Friday, June 13, 1997 7:21 AM
>To: 	jengel at fastlane.net; DIY_EFI-Digest at coulomb.eng.ohio-state.edu
>Subject: 	plugs & hp increases

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>Jeffrey: Another explaination for the HP increases you saw by changing
>plugs (and I've heard this attributed to Bosch Platinum plugs in '92
>and later 3 series BMWs) is that with that plug you're getting some
>detonation and the knock sensor is dialing back the spark advance.
>I've used Bosch Platinum plugs in my VW Jetta, it really liked them,
>but it sounds like some cars don't like them for whatever reasons.
>