Advice / pointers on replacing valve seal

So another academic question, I'm doing the compression check and the driver side cylinders are great. Passenger side 2 & 8 ridiculously low. I did not pull the fuel line because it's a mechanical pump and figured it really wouldnt pump unless I work the throttle. Not the case, raw fuel coming out of spark plug holes. Question is will the fuel effect the cylinder test or ruin the gauge ? I refuse to believe I have 190 cold across all drivers side bank & 30 on passenger side