aftermarket cylinder

I'm pretty new to saw building, I only have about 20-25 saws built under my belt with-in the last year. I have built & rebuilt saws with both types of heads and so far I haven't really noticed a difference in the two materials other than the Titanikel is hard to port and seems to chip. My...

I'm currently building a farmertec 070 clone and I wanted to use the bigger bore 66mm cylinder for the 090 conversion, for extra ccs for milling, but I wasn't happy with the farmertec cylinder quality for the 66mm (the 58mm was much better). The finish outside was splotchy and the ports weren't...