engine rebuilding

United States
February 1, 2007 9:17pm CST
I have just rebuilt my 1973 ford pinto motor. I replaced the rings, and new gaskets thru out the motor. I checked to make sure #1 piston was up and the exhaust valve was open on #1. Now my motor is sucking in thru the plug hole instead of blowing out. Anyone have any idea why or how to fix this problem?
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