No gas getting to the cylinders

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Posted by Mike Myers on May 07, 2020 at 19:00:16 [URL] [DELETE] :

I have an 8N circa 1951 I think. Bought it at sale couple of years ago and it was a grease bucket but it ran like a champ. Have been slowly fixing it up. It started becoming hard to start and now it won't start. It turns over, but its not even trying to fire. Pulled a plug and its pretty obvious no gas is getting in the cylinders. The old carb was pretty beat up so I bought a new one, identical to the one that was on it. Still nothing. I open the gas cock and after awhile gas starts dripping from the carb (just like the old one did). I know this is an updraft carb so I did a compression check. Spec says min 90. I'm getting 110, 87, 95 and 80. I know I'm in for a valve job, but my question is are these readings low enough to cause a vacuum problem at the carb? Any thoughts appreciated.

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