How are fuel swirl pots plumbed in? Could pumping high pressure to the engine then back into it constantly lead to significant fuel heating or not as you are taking from a small vessel but then again it is also being supplied from the large tank? Easy to test if someone can be bothered. Just stick your hand on the swirl pot after a few blasts. Or does pumping at 3.5 to 5bar odd fuel pressures not impart any heat on the fuel?

Then you can argue about it losing 0.5hp or 50hp afterwards just for fun lol