Hatfield1415 Posted May 2, 2016 Report Share Posted May 2, 2016 The head is milled down an unknown amount. The left side piston has a ring mark in the carbon buildup, maybe from the dome? The head looks fine but the spark plug on that side keeps backing out. I've tried 222 loctite with same results. Starts and runs great,I'm getting some roughness around the edge of the pistons.i probably just need to run higher than 91 to get rid of detonation. Quote Link to comment Share on other sites More sharing options...
sheerider11 Posted May 2, 2016 Report Share Posted May 2, 2016 Wow. You seriously tried to locate tite the plugs in? What's your compression at least? Quote Link to comment Share on other sites More sharing options...
Hatfield1415 Posted May 2, 2016 Author Report Share Posted May 2, 2016 Well it was at the dunes and I needed something to work for the time being with the loctite. The compression is around 170. Quote Link to comment Share on other sites More sharing options...
sheerider11 Posted May 2, 2016 Report Share Posted May 2, 2016 Well it was at the dunes and I needed something to work for the time being with the loctite. The compression is around 170.Ditch the head honestly. And 99% of the time that requires race fuel. Quote Link to comment Share on other sites More sharing options...
Hatfield1415 Posted May 2, 2016 Author Report Share Posted May 2, 2016 I imagine the cool heads are the way to go? Quote Link to comment Share on other sites More sharing options...
Bennett131 Posted May 2, 2016 Report Share Posted May 2, 2016 Sounds like deto. I would tear into it and have your crank gone over by someone reputable. Get another head (depending on your budget) a cool head or an uncut stocker. May as well freshen up the top end while you're there. Quote Link to comment Share on other sites More sharing options...
sheerider11 Posted May 2, 2016 Report Share Posted May 2, 2016 I imagine the cool heads are the way to go?if you want. They never hurt. And it's nice to have the ability to change domes. Quote Link to comment Share on other sites More sharing options...
Hatfield1415 Posted May 2, 2016 Author Report Share Posted May 2, 2016 I appreciate the help guys. This is my first banshee. I've only had Hondas before this. I'll get a cool head and start running 100LL AVGAS. Will that need a different plug? Quote Link to comment Share on other sites More sharing options...
Bennett131 Posted May 2, 2016 Report Share Posted May 2, 2016 I appreciate the help guys. This is my first banshee. I've only had Hondas before this. I'll get a cool head and start running 100LL AVGAS. Will that need a different plug?No, same plug. Quote Link to comment Share on other sites More sharing options...
BANSHEE HP Posted May 2, 2016 Report Share Posted May 2, 2016 squish? Quote Link to comment Share on other sites More sharing options...
sleeper06 Posted May 2, 2016 Report Share Posted May 2, 2016 Chances are it's not angle milled so look into an air leak on that side also before teardown . 100 octane will be fine as long as your squish is above .045 Quote Link to comment Share on other sites More sharing options...
Larry's Shee Posted May 2, 2016 Report Share Posted May 2, 2016 X-2 test before you tear it down. Quote Link to comment Share on other sites More sharing options...
Hatfield1415 Posted May 2, 2016 Author Report Share Posted May 2, 2016 Alright I will look. Just bought this about a week ago so the mods are foreign to me. Thanks. Quote Link to comment Share on other sites More sharing options...
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