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Update - I’ve adjusted all of the valves, compression on number 7 is still the same. Next I did the air pressure test. I decided to loosen both the number 7 valves until they were both closed with no rockers touching to be sure. This is where it gets tricky. I can hear the air pretty loud, but it’s very hard to determine exactly where it’s coming from. I’m using a rubber hose up to my ear. I hear a little from the exhaust tips, but also a little from the carb. Very faint on both. The oil fill I hear it the loudest with some light air blowing out, but I know that some air will always escape there. With the valve cover off, I can also hear it coming out of all of the pushrod holes. I thought it would be a lot more obvious to decide where it’s coming from, but it’s not. Maybe I’m doing something wrong? I’m using an actual leak down tester hooked to my compressor.
Thank you