May Day !! Down a cylinder

[STK1217]

Originally Posted by philbilly

Chuck we changed plugs and wires several times. I am thinking guide but if guide was wore it would show in leak down?
This is the new head we did fix. I busted one at gators.
Mb is gonna post up pic of plugs for me. I sent him pic of 1 and 7 plug so y'all could see

Just a question, How would a loose guide or bad valve seal show up in a leak down test?