Compression testers?
Cheapest.
Its a gauge with 1 way valve. Pretty simple stuff. Take a Avg over a few runs if u wanna be 200% sure.
mine was 15$ about 4 years ago and its been stepped on kicked and my dogs even pissed on it.
Its a gauge with 1 way valve. Pretty simple stuff. Take a Avg over a few runs if u wanna be 200% sure.
mine was 15$ about 4 years ago and its been stepped on kicked and my dogs even pissed on it.



