Stihlbro
Pinnacle OPE Member
- Local time
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- 310
- Joined
- Dec 29, 2015
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I see what you are seeing with the piston. I say modify the piston and give it a try. A lighter piston never hurts. You can gain some piston cooling by not keeping the mixture under the piston. A sign of mixture staying around the bottom of piston is a blacken build up.