You can bore Alusil and coat with Nikasil. I have seen Charles Navarro recommend these guys (link below). If you bore your Alusil cylinders, they will require special iron coated 3.4 pistons, so you will need to source them, in addition to finding someone that can bore your cylinders. It will probabably cost $2k to bore to 3.4 and apply a Nikasil coating and JE pistons. The latter is probably the more common route on this board based on all the threads I have read.
http://www.mt-llc.com/index.html
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Greg
86 Coupe (stock - pretty much like Butzi designed it) - gone, but not forgotten
65 Ducati Monza 250 & 66 Monza Junior (project)
"if you are lucky enough to own a Porsche, you are lucky enough"
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