[Daviboy]

I just (2 days ago) adjusted my valves and according to Wayne's book and other advise here on the forum states that the feeler gauge should slide back in and with some resistance. This is how I did mine re-checked three times before I buttoned everything back up. No problems dont be afraid just requires some patience to make sure gap is correct before tightening the nut back down. Best advice I can give is dont doubt yourself when setting gaps....