On the valves that are most of the way open, backing the adjusters all the
way back would probably still leave the valves partially open.

"unix-freak" <eat_your_spam@nice_try.com> wrote in message
news:L9m%c.25595$Np2.12422@bignews4.bellsouth.net. ..
> Just curious...wouldn't backing the valve adjuster out completely- close
> the
> valves so that the leak test could performed without pulling the rocker
> shaft?
>