After cranking compression & leakdown tests, bore scope cylinder and reed inspection, timing check, and several re-jetting exercises, a starting/idling problem with my turbo Johnson was finally resolved. I would have saved several hours work and had more fun if I'd only paid more attention to the "little things" while looking for a bigger problem. Have never seen this in all my years. No external evidence of gas leakage and no carbon traces...just loose! Go figure.
Tim
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