smoker i have replaced valve guides, valves, relapped seats, seals, rings. compression holds at 100 psi for days. oil droplits out the exaust port of head. not to mention smoke like a factory. what am i missing. i have 2 heads and jugs, one bored over without the right piston the other is factory size, with no issues, calling all motor heads, my kids are getting ichy to ride the buggy please give me someone who has repaired this issue with yours