serious head issues, need input please

Take the springs out on two valves, put light springs in from the hardware store that you can push down by hand, shim two spare lifters and measure the map from 15btdc on exhaust and 15atdc on intake at every degree of the crank with a dial indicator on the rocker, between those marks.

[ame="http://www.youtube.com/watch?v=ifoGVT4G0m0"]StreetLegalTV.com - Dart University: Piston-to-Valve Clearance - YouTube[/ame]