Yes I will also stay away from the oil debate. When starting out in the hobby, I used Klotz because that’s what I used in my motorcycles and snowmobiles. There was a lot of carbon build up in my 2T engines, then went with Redline. No carbon build up, but as you say it’s designed for 2 stroke engines. I’m going to pick up the Stihl HP today and use that on my next tank.

As for the Squeak, you guys are correct. Remove all tappet covers and dry in #1, #2 and #3 have a lot of oil. I’ll get everything lubed up before the next run.

Im also going to install the stock exhaust for the rest of break in, and run it with cylinder #1 down for a tank. Then move onto the timing and get that adjusted.

Thanks for for all the advice and I will post my findings.