Quote:
Originally Posted by iveyjh
I have been running up to 22.4 to 1 AFR in my 2000 Metro for a couple of years with none of problems you speak of. I run an EGT sensor and have found that running lean actually decreases the combustion temps. A little lean from stoich under load produces hotter temps.
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An EGT gauge/sensor would be a must have. The temps under load is the concern. For normal causing (for someone who drives economical) it wouldn't cause a problem.
However the problem arises whenever aggressive driving styles come into play.