Quote:

Possibility #1 Lifter out of it bore...
Possibility #2 Stuck oil pressure relief valve...
Possibility #3 Broken drive...




It looks like a lifter popped out of it's bore. I pulled the drivers side rocker cover and noticed rightaway that the intake pushrod on the #1 cylinder was way down in the "pushrod guide".
Now what do I do? How does a lifter pop out like that,will it happen again?