[Spridgets] Spark plugs and altitude

Larry Daniels ladaniels at sbcglobal.net
Mon Mar 23 17:09:29 MST 2009


Whoa, guys.  We are still talking about NGKs, right?  With NGK a smaller 
number is a hotter plug.  If a 6 is too hot, a 5 is worse.

LAD

----- Original Message ----- 
From: "JLC" <breton48 at live.com>
To: "'Spridgets'" <spridgets at autox.team.net>
Sent: Monday, March 23, 2009 6:15 PM
Subject: Re: [Spridgets] Spark plugs and altitude


Thanks, I will try a 5... Any suggestions for an air-fuel meter? Never had
one before.

JLC

Ron wrote:
Actually, I agree with Dan - a 6 is
fairly warm, but you can try 5's (I have 8s on my race car, 6 on street).  I
missed the 35 deg advance before also - that sounds like a "leave it alone"
number too. Normally, the timing advance compensates for the lack of oxygen
and its slowing effect on fuel burn. Same with lower octane gas. The
air-fuel
meter will be the real answer, and you can do things gradually.
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