Originally Posted by slowlsx

Another cam? I thought u had already installed the new cam? Or your putting another one?

What size injectors are you running?

I'm guessing 60lbers and a single walbro won't be enough for a 6.0 and about 15psi?

Originally Posted by FarmTruc

Had it on the dyno, made more power, but still not done, couldn't finish the entire session.

Truck is out of fuel!!! The truck wouldn't handle 8.5/9psi and injector duty cycle was at 122%, but I think the fuel pump is failing. The truck is hard to start sometimes.

But, power did go up. 525hp at 8.5psi, it was a tad colder today, so that helped.

I tried 12psi real quick and the a/f ratio was definitely lean up top.

I've been driving it on the street with 12psi, but I don't stay in it, the dyno loads it much more than the street can.

anyway, back to the fuel system.
I'll change out the pump, if not, I'll look into twin walbros, but I know 1 a1000 will do it.
I might just leave it at 8psi and be happy, but I know it has a lot more left with some fuel added.