Who's port is this? The inlet side of the blower looks like Stegmeier did it. It's kind of disappointing that mines ported cause I only put down 442rwhp with a 6lb lower and 3.1 upper. The max timing was really conservative though at 16 degrees .
OP if you're interested send that blower in and we'll finish that port to get you some good numers. Make sure to up that timing though because there's no reason for it to be that low.
it's not a stiegy