Small Block Stroker ... Gas mileage?

Was it a DemonSizzler built Thermoquad??

It was. I bought an wide-band air/fuel gage and have tuned the carb to about 14.7 at idle, and cruise, and about 12 at WOT. That gage was the best $200 I've spent on the car. You can learn a lot about the goings on in the engine with that tool.