I believe Jacob J tells of a guy that used to turn them at something like 18K for racing!!!
Use a beer can or a brown paper bag .
does that seriously work? Im actually looking at using an beer can if its do-able.
I can't remember the number exactly, but without the gasket my squish is in the 0.025 to 0.035 range.......I could actually mill some off the cylinder and still be OK. The saw has 165lbs compression.
It's funny that this thread should show up just now, I have a guy bringing me an 031 tomorrow in exchange for some work. I for one would like to hear more about any ported 031s.
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