car cutting out

[wht99gtconv]

After the GT40 heads and intake swap. Also a Comp Cam. It cuts out only when you get on it. Could it be a fuel pump?

 

[BlownFiveLiter]

Do you have any codes? That's always a good place to start. Also, how's your timing with the spout removed? Got a good spark? How's the plug gap? Could be a multitude of things.

Moved to tech from tuning.