Compression tester, ha, I don't need no compression tester... I went over to Mitch's house today... I pulled out the #1 spark plug. I put my thumb over the plug hole. Nothing, no compression at all. I pulled out#4 just to get a comparison, oh yeah compression! We took off the valve cover. The #1 intake valve was tight. We put in the shim I had. It was at .004 a little loose but better than tight. We checked the compression on #1 and oh yeah compression! We put the fuel tank on, put some fuel to it. I'm hoping this thing is going to fire up... No go, it was only firing on one cylinder#2. It was getting a good spark, so I'm thinking carburetors. I didn't have time to mess with the carburetors. I told Mitch to check the forum for a carburetor repair man... One thing at a time I gess...