340 has a hard time starting when hot?

TrailBeast said

Shoot, we don't even know if it cranks slower when hot or just doesn't want to fire.
A little diagnosis would go a long way to helping with this, instead of it going into pages of guesses.

What is actually done to finally get it started?
Is the throttle involved at all when trying?

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So after driving for a while, then letting it cool down (at least 1 hour) I try to start it and just keeps cranking, same as usual, i try to pump the gas, but don't want to flood it. Its really strange/embarrassing..... guys are starting there cars and leaving and im sitting in the parking lot trying to start my car!! Also don't know if this makes any difference/sense, but the engine does not have a thermostat. I was told the block was machined so its no longer there?