Jason i was told to be running 50 to 54 lbs of fuel at 5lbs of boost but that might be becuase there are two differant setups.

Mine 30 to 34 lbs at idle
and 50 to 55 at 5lbs of boost

We have the ability to tune my ECMs so we backed the fuel pressure down to 45 & read the sh!t out of the plugs.
It seems to be running great!
What are you running again?

Im have 2 454's with m1 prochargers and intercoolers, inmco drives and 31 labed props

Have you tried adding a little tab to it ?

My 33 (thats ran 91 and some change), actually runs a mile an hour faster with the tabs just a tick below neutral.

With them up, it's a handfull to handle.

It doesn't act like like it's shoving the nose down, but
more like it's giving it more of an area to ride on.

I have tried the tabs down it helps but it still rocks side to side a little. It seems like the futher you go the more it rocks. I guess I will have to find the sweet spot and deal with it.

Yup, that is what I've been looking for. Mine sure will throw the sh!t out of a roostertail if I overtrim it. Looks good to those who don't know better.

I run right at 30# on a mechanical gauge at idle and my boost referenced regulator runs it up to around 65# at wot. At that point i'm just holding on. My transom is a little more smoked up than I like but it's better than those 2 pistons i'm using for ashtrays.

I set my fuel at 45 for idle & it ramps up to 65 at WOT. You runnign prochargers or Whipples?

we ran 88 first time out not dialed in with 100+ gallons of fuel and loaded with long weekend gear for 4 people, overpropped with hydro 34's @ 4700, felt great at that speed, hydro's felt good, just helping a buddy with this project, its been a long winter

Procharger on a 509. I'm running the 43t gapped at .030 and it wants to load up if I idle too long. I'm running stock ignition. That was why I asked about the higher idle pressure. I'm sure I would foul plugs at 45psi.