You have even numbers (sort of, you are pushing the 10% rule). This says a lot, but it misses a lot. It depends what you are trying to answer.

If you are looking for a single cylinder misfire, compression isn't the problem. If you are looking for a general performance problem, you need more info. For me I never accept a low compression reading til I have seen a normal one (that day, that gauge). If I place the gauge on the car in the next stall and I get 180 straight across, I know there is some across the board problem. Cam timing comes to mind.

If you are down due to cam timing you need to fix it. The engine will overheat and the poor combustion will coke up everything with carbon, over time.

__________________
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician