Yeah do you have the stock grind in there, it seems low numbers to me, i dynoed 268/311 to the wheels with stock heads. I think that i would have made 300-310 rwhp with the AFRs
Or you could buy some of my old parts for cheap
Ford Racing stainless steel shorty unequal length 1 5/8" headers $150
Pro M 75mm Bullit MAF for 19lb/hr injectors $75
WMS Velocity Tube $85
Magnaflow 2.25" mufflers $50 for the pair
They had one of his cars in Car and Driver supercar shoot out and they had a one page write up in the front about all of the bad stuff that happened and he claimed to be fixing. Look him up on the BBB.
His car went high 9s stock, no way they go 8s without turning the boost way up and running slicks and race gas.
He was selling the parts of the customers cars while he did the upgrades and keeping the money and taking 6months or longer to do the turbo kits.