Motor turns over wont start briggs and straton intek twin 24 ohv.

I fired up the mower the other day and went out to mow. I engaged my blades and drove for about 2 foot thought I heard a pink and the mower died. I pushed it to the garage and started troubleshooting. I found that I wasn't getting gas from the fuel pump to the carb. I replaced the pump and still nothing. I found a dry rot crack in the vacuum line from the valve cover to the fuel pump and replaced that. Still no gas, I checked the timing and the key is in tacked, I checked spark which I have. However 2 things to be noted, 1. I don't have a compression tester and 2. When I put my thumb over the spark plug port I feel no pressure. What could cause this?