2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Spark Plugs

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Jun 5, 2003 | 08:40 PM

#1

C.Martin

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Joined: May 2003

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From: Kalamazoo Michigan

Spark Plugs

I pulled out the plugs for the second rotor, and they were a burnt white, i don't seem to recall what this means, can anyone drop me a line as to what it means.

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Jun 5, 2003 | 09:21 PM

#2

ViperKillerWannabe

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Joined: Jan 2002

Posts: 173

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From: St. Louis, MO, USA

I think white is lean, brownish is close to stoich, and black deposits are rich. Also, if it looks burnt with green flecks, it's been detonating. Better check the fuel mixture!

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Jun 5, 2003 | 09:27 PM

#3

jgrts20

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From: CenCal

if the second rotor is running lean how can u adjust it right?

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Jun 5, 2003 | 11:29 PM

#4

Icemark

Former Moderator. RIP Icemark.

Joined: Apr 2001

Posts: 25,896

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From: Rohnert Park CA

Check your MOP as well, it may not be flowing on the rear rotor

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