Hi all, just new to this forum, but could sure use your advice and experience.

Lifters are noisy cod and when hot.
Have taken the rocker cover off when it was hot and all 24 hydraulic lifters were not pumped up.

How are they fed.
To my logc it would seem there is a blockage in the feed line.
Is there an oil gallery way that I could blow out with compressed air, e.g oil pressure sender, or chain tensioner. And Where??? to blow.
has anyone else had this problem, and what was the fix.
Really dont want to pull engine out of car and full strip down and rebuild.
Is there a clever way to fix it.

Thanks Gary