[DeTomaso] Techno question: Lean carb and engine pinging

[forestg at att.net]

In a word, yes. It raises the cylinder temperature.
Forest
-------------- Original message ----------------------
From: "Charles Engles" <cengles at cox.net>
>
> Dear Forum,
> 
> 
>              Just got the Pantera back from the mechanic.  I thought I had a 
> miss and had them run diagnostics.   The good news is that the abused 
> welded-upon MSD was working fine, but the exhaust gas analyzer showed that one 
> cylinder bank was running lean.  They adjusted the carb and things do seem 
> better.
> 
>             Last summer, I was fighting a pinging problem that finally improved 
> by backing off the MSD distributor advance curve.
> 
>             Can a lean engine mix lead to pinging when previous engine 
> parameters (CR; timing; octane) remain the same???
> 
> 
> 
>                     Engine rookie, Chuck Engles
> 
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