Sorry to ask/say this but just in case since I don’t know what experience you have with tools and I'm just reaching but... All the compression gauges I seen have a reset to put the gauge back to zero. Did you reset the gauge after each cylinder?
Allen
Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first.
Life was a little easier when I was just a wrench.
