2013 vmax Hpdi 150. Need suggestions

[VIDRINE]

Hello all. I have a 2013 Hpdi 150. I’m having a small pause issue when getting on plane. Motor runs great at all speeds. When I get on it hard to get on plane it has a short pause then it goes and is fine. Or if I get on plane easy no issue. It’s like wamp pause wahhhhhh goes fine.
Parts changed.
all plugs
all filters.
Lp fuel pumps.
any suggestions would be helpful.
Thanks

[SkeeterJohn]

Have you checked for a bad fuel bulb in the bilge? also perhaps a kinked fuel line... sounds like some sort of restriction. You've done a lot already so it has to be something a bit more obscure.