modding

So I have been tinkering with the idea of taking a BB'ed 066 with popup piston and doing some more interesting modding. 1. An 070, 090 carb for saws 105cc+ 2. A reed box and custom intake (No blow back and better fuel air mix with more pressure through the transfers) 3. Opening up the ports...

The only thread that showed up when I did a search was one or two posts in "Clint's Hybrid"..... so: How does m-tronic's affect porting/modding, and visa versa? #1.) If the muffler is the only thing modded? #2.) If the only thing done was removing catheters? #3.) If the carb is the only...