Here are marks for some of the porting to be done to the cylinder.
I can't widen the transfers quite as much as marked, but I can take out quite a bit. The TCCD kit bulges out on the sides to have enough room for the huge transfer ports.
I can really take out a lot of the material on the exhaust port, but need to be careful to maintain the ramp as that helps draw the charge back in to scavenge the cylinder of fuel.
And here's the mark for cutting the sleeve.
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