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Valve lash is set at 0.010 inch for the intake and 0.012 inch for the exhaust. Johnson’s Machine uses extra long adjuster studs to keep more threads in the lifter bores after the valves are adjusted to help reliability.
Project Mini Stock, Part III

Valve lash is set at 0.010 inch for the intake and 0.012 inch for the exhaust. Johnson’s Machine uses extra long adjuster studs to keep more threads in the lifter bores after the valves are adjusted to help reliability.  View Related Article