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I haven't been able to do any real disassembly work yet. But I've startex prepping parts. I began with the V2 head the other night.

I ported and polished the ports. There was LOTS of casting flash, some evident core shift as well as some porosity in the casting. There were also some nasty transitions into the valve seats.So far I've cleaned up all flash/parting lines, opened up the bowls slightly as well as raising the port roofs slightly. Blended and radiused the backs of the valve seats and I opened up and smoothed the area around valve guides as well as getting rid of the valve guide web.

This pic shows both ports mirror polished, but last night I put a 600 grit texture in the intake side.

25185
 
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