plugs & hp increases

Jeffrey Engel jengel at fastlane.net
Sun Jun 15 15:48:16 GMT 1997


Sounds likely.  Is there any way to check that other than an A - B 
dyno run?

----------------------------------------------------------------------
> From:          barrettn at worldnet.att.net (Barrett Nicholas)
> To:            jengel at fastlane.net, DIY_EFI-Digest at coulomb.eng.ohio-state.edu
> Subject:       plugs & hp increases
> Date:          Fri, 13 Jun 1997 14:21:48 GMT
> Reply-to:      diy_efi at coulomb.eng.ohio-state.edu

> 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.
---------------------------------------------------------------
 
 
je
jengel at fastlane.net

     "I can resist anything but temptation"
                                  Mark Twain



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