Looking forward to taking my car in for another dyno tune next weekend on Saturday 8/4. I don't believe the car will be tuned on Saturday, rather it is a drop-off date to review my most recent combination changes with the tune. The car is getting tuned again at Md Performance Center in Frederick, who has a SuperFlow Dyno. In case anyone is not familiar with a Super Flow, it is an eddy current dyno which can apply various loads and real world simulated situations to increase the accuracy of tuning as well as provide more accurate numbers as opposed to the industry standard inertia only dynos. Long story short, SuperFlow's tend to read lower than a DynoJet, perhaps think on the lines of a Mustang Dyno. In the near future I will also compare the numbers of the Super Flow to a DynoJet to see how they differ, although given any environmental changes from day to day, I'm certain there will be discrepancies to begin with. Regardless here is the run down: Previous combo: Dart 331 AFR 185 Custom Blower cam Edelbrock RPM II upper/lower FMS 65mm Throttle body MSD 50 # injectors D1SC ( self contained ) 4.1:1 step up ratio. Using 6.75" crank, 3.15" blower. Spinning blower to 55350 RPM producing about 12.5lbs of boost. Stock Procharger inlet which had a crushed air filter Stock Bosch bypass valve which was later found to be leaking a slight amount of air Fuel system, etc etc. Car made 511rwhp, 476 ft/lbs @6300rpm on a SuperFlow. Changed made since last dyno: Edelbrock 70mm throttle body (measured the ID of intercooler tubing, and this matches the tubing perfectly ) Siemens Deka 80lb injectors D1 (oil fed ) 4.4:1 step up ratio. Using 7.00" crank, 3.4" blower. Spinning blower to 57071rpm, with an unknown amount of boost. I also have a 3.1" blower pulley which will spin the D1 to 62594rpm ( D1 has max rpm of 65000 ) Snow Performance Stage II water/methanol with dual nozzle setup Changed air inlet to supercharger head unit, which should allow for another 1-psi of boost Procharger big red race bypass valve. Test #1: Will be using 3.4" blower pulley with no methanol Test #2: Will be using 3.4" blower pulley with methanol Test #3: Will be using 3.1" blower pulley with methanol With the above information, anyone want to take a stab at what kind of differences I will see over all? By the end of Test #3, IF the head gaskets hold together I would be happy with 600-620rwhp and 540tq.