Brian, I'll have the 8-71 feeding the 6-71. I didn't make boost until about 4000 RPM's even with the blower 13% overdriven. If I have the two blowers underdriven (about 20% each) I doubt I would make boost until 3500 RPM's or so. Theoretically, if I keep the car under 3500 RPM's just cruising I would still be making vacuum. I am not going injected just for a one month experiment. Again, with the double blower setup it will be a "Fairgrounds" type car only. After my experiment is done, I will go back to a more traditional blower setup.
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