Last yr was fun! On a used lo206 coil change to w f let it rev to 6700 rpm. W f cam and Dyno vavle springs reduced lap times 7 tens on 1/2 ml stop and go sprint track.7050 rpm limit. W f carb bolted to 206 manifold with a big chamfer ran same lap times as stk carb switching back and forth same day. Over hauled 206 last nov w f rod, piston. Milled block and head raised comp to 9.7 to 1, inlarged intake port .120 on 206 head. Massaged short turn with 3 angle valve job. Made a intake manifold 26 mm I’d. a little longer than 206. Set timing 31 degrees with a light. Added a animal coil. added 6 in to 206 header and no baffles in muffler. Eager to try with bigger carb. Turned 8770 rpm on kart stand wot!
2021 results
- Thread starter Dav
- Start date