My engine sounds funny lots of high vibes and I noticed the loss of power... It still idles, and gets up but on high end I have no power and it whines lil it just wont got I know its not gas I have re adjusted the carb over n over... Changed plugs done it all... Is it blown engine head gasket or what ... Pls help guys, first build... I'm a newbie but very mechanical... KC WHERE ARE U WHEN I NEED U!!!!! god guys I just wanna cry... This is my baby!