Supercharging stock 5.0

[1995MGTS]

Unit 5302,

I don't remember saying anyting about a 9psi supercharged stock car being more powerful than a well built 347. A guy I know from the Corral, goes by CurtC, ran a 12.9@110 with 6psi from his Powerdyne. Dynoed 361rwhp/362rwtq with 75mm pro-m, shorty header, x-pipe w/cats, cat-back, gears, and custom chip. Granted, the car is a 5.0 Cobra but he added about 110-120rwhp with 6lbs of boost. A guy in my car club in California had same mods but ran an S-trim (8lb pulley) with a power pipe (saw 10psi). 405rwhp on his set-up. He too as I recall ran in the 12's. That means he added about 150rwhp, give or take. Oh, both of these were without non-ic boost.

Anyway, I really don't think he had an aftercooler at Swanson. I also don't know what pulley he was running with the S-trim. All I know is a stock 5.0 can put down 190+rwhp and he had an o/r h-pipe. So he may have added 120-130rwhp and that's possible with the right blower and tune. Don't need an intercooler for that.

The dyno was at Swanson Performance, IMO one of the best in the business. He gets numbers out of cars that seem impossible sometimes. I have 400rwhp (different dyno but with his tune) with a 6lb Powerdyne, 7" crank pulley, powerpipe, and the mods in my sig. From ~3500rpm-5700rpm I have over 350rwtq, nice and flat. Even at my cut off at 6200 rpm, I have 310rwtq. I didn't just get that from bolting it on, it took some tuning from Danny Swanson to get it there. My blower is 850cfm capable, very small and entry level at best. It's in the tune. Unfortunetly, I dont have any track numbers to back up my latest dyno. It' coming eventually.

Maybe I'm confused but please tell me how an intercooler on a stationary dyno will make more power? If you think an S-trim can't make power without an intercooler, then you haven't seen many Vortech powered cars. I'm speaking more from the 5.0 side of house and not the modular side. The intercooled Procharger seems to be the sc of choice on that side. Check out the Corral, go to the Power Adder section and ask to see some stock S-trim dyno numbers and times.