I have kennebell at 8psi, 30# injectors and C&L Maf with 30# calib. tube. I was having my car tuned on the dyno and the guy opened my injectors all the way past 3000 and it ran richer and richer like it should until 4800 when it just starts leaning out from 11:1 at 4800rpm all the way to 14:1 by 5200rpm, the fuel curve is smooth and flat from 2000 all the way to 4800 then starts arcing up. He didn't take it past 5200rpm because it was leaning out. He said my 190lph fuel pump wasn't big enough that I needed a 255 pump and also the C&L using the stock MAF sensor could be the problem and I should get a true aftermarket meter like a granatelli. Has anyone ever had this problem? Is it the MAF, fuel pump, or both? By the way I made 289rwhp at 5200 and 340ft.lb. torque at 3500. I think if I get this lean situation figured out and take it to 6000 I should see around 300rwhp, perhaps? Thanks for all the help.