Burned up center jug on my 02 viper

just a small piece missing from the ring. the rings were not siezed. motor still ran,just no compression in the cylinder
 

snopax said:
It melts when lean because the charge burns hotter.
http://en.wikipedia.org/wiki/Air-fuel_ratio

Fuel cooling a piston is a layman's term and is a way of achieving the same result, although the understanding of the "cooling" method is extremely skewed. The additional fuel in the charge is a cooler burn. The fuel itself, as posted above, has no more of a cooling capacity then the atomized oil in the charge.
Click to expand...


I agree to a certain point but one must remember that most all references to to "stoich" method (as in the Wiki article) are more related to 4 strokers , which have an extra couple'a strokes to cool between fires and the fact that oil splash helps too.
A 2 stroker is heavily dependant on cooling by fuel. Just my 2 pence worth
 
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