Terry,
Here' my engine:
STOCK 360 Magnum short block EXCEPT for the cam.
The cam specs are: 214-218@ .050"-lift, ground with 114-degree lobe separation. Gross lift at valve .525"
Ground by Engle for Hughesperformance, a Mopar-only vendor with a dyno. HE says it's a good supercharger cam. Very little overlap. Stock hydraulic roller lifters with 300# open, Crane aluminum roller 1.6:1 (stock ratio) rockers.
Heads; OEM 318/360 Magnum cast iron 1.94".1.60" with a 3-angle valve job and minimal valve bowl work; NOTHING else. TRUE compression with stock, dished, hypereutectic pistons: 9.00:1.
Intake manifold: Professional Products 180-degree Air Gap ripoff, untouched
Carb: Holley 4150, 750 double-pumper from the Carb Shop, modified for blow-thru up to 15 psi. ($900.00!!!)
Ignition: MSD Boostmaster with MSD Blaster coil (all analog; no multiple spark discharge)
Exhaust: TTI stepped headers (1-5/8" into 1-3/4") with 3 1/2" collector; 2.5" street exhaust with Dynomax Super Turbo mufflers
Snowperformance BoostCooler alcohol injection system coming on at 3 psi of boost.
Fuel: Avgas... probably 106-110 octane. Doesn't ever detonate, even at 10 psi of boost.
Transmission: Len Schneider built 2.45 low 904 with a 2500rpm stall 318 converter (cheap!) As much low end torque as this thing makes, the last thing it needs is a hi-stall converter. Pulls like a freight locomotive at 2,500....
Idles fairly smoothly at 475 rpm and makes 12 inches of vacuum for the power brakes at that speed.
160-degree thermostat
M-P "curved" OEM-type distributor.
3.55:1 Auburn limited slip, 8.75", soon to be 4.10:1.
Moser axles coming very soon.
When I put this engine together, a supercharger was nowhere on the horizon; I'd never even considered one. I wanted a car my wife could drive and she hates ragged idles; that's how that short-duration cam got in there. But, it only ran low 13's without a blower (I even had 340 exhaust manifolds on it), and that wouldn't get it. I spied a Vortech V-1, S-Trim new in the box on Ebay for a grand, and decided that that was the crutch I needed to pick this ol' tub up a bit.
It picked it up about a second and a half and 17 mph....
It cost me a lot (about 4 grand) by the time I put the new half-inch fuel system with 2 pumps on it (main pump and a backup; I don't trust electric fuel pumps.)
I have a 4" arm and a new set of rods for it... saving for some JE slugs right now. 402 cid will work.
In the meantime, I can have some fun with it as it sits, IF I can get it to hook.
That's what this is all about...
Thanks for your time and all the good info! The cam is gonna stay, at least for now. Driveability around town is like a 2bbl 318... I like that.
Bill