stock m couple ?s

johninmn

Member
Got a pretty stock m I"m putting back together. Its completely
stocl except for 4" overbore m&w high dome pistons. My
question is I need new ring for the pistons are they the same
as a super m or do I need special ones to fit the m&ws? Also I
was conidering shaving the head down .050 thousands or so
but is it even worth the cost on a stock engine? What kind of
power increase would I get approximately?
Thanks all
John
 
The diameter of the rings would be the same for a 4" bore, however the thickness will be specific to the pistons. They may be the same as Super M's, or may not.

As for milling the head, my two cents worth is that it isn't worth it. Your not going to gain more than half of a compression point.
 

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