Firing issue

TrailBeast said

They start fine after a half hour or so, at least mine does.
The new mini starter helped a lot for the actual starting, but clearing the overfueling still takes a min or so.
The mini starter (gear reduction) turns the engine a bunch faster, so the actual firing up problem isn't too bad any more.

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Dead on! Went out and it fired right off! Im guessing it was vapor locked.

So now for the spacers, I know there are two different styles, one with a square bore and the other with the 4 holes. Whats the difference and what do you recommend?

Another suggestion I heard of way back was to install a small inline fuel pump. Im guessing to keep constant pressure on the mechanical fuel pump.. Im not sure sure I like that idea. Thoughts on that?