New Cylinder Head, Now it won't start.

[music man]

Originally Posted by patrick_777

Also, just because it ignites at the plug hole doesn't mean there's sufficient fuel in the cylinder during the ignition phase. The residual vapor in the cylinder will always ignite. There are much better ways to check gas flow to the cylinder than this.

Have you checked all of your vacuum lines?

(Yea what he said) Very good explanation there Patrick.