<VV> Sparkplugs

[Andy Clark]

A white plug insulator indicates that either the plugs are too hot, or the
mixture is too lean. It's hard to tell without more info, like; how white is
"awful white"?; did you pull a plug after a full throttle- or nearly so-
blast down the highway?; or had the engine idled for a while? Stuff like
that.
The installation of headers will tend to lean out the running mixture
(better breathing).
Andy Clark
1966 140/4 Monza Sedan
1966 140/4 Yenko Clone
1966 180/4 Cord 8/10 #60
----- Original Message ----- 
From: "lloyd biggerstaff" <lloydscorvan at yahoo.com>
To: <virtualvairs at corvair.org>
Sent: Wednesday, August 30, 2006 1:47 PM
Subject: <VV> Sparkplugs


> I am currently running Autolite 275 sparkplugs in my 102 h.p. engine that
I have been having problems with predetonantion when the engine is warm and
subjected to a load at low r.p.m.'s. Could this plug be too cold for the
engine? I pulled a couple of plugs and they seem awful white at the
electrode. What are others running as far as heat range is concerned?The
only mod that I am running are headers.Any help would be appreciated.
>
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