408 stroker info

3800lbs E body, 3.23s, 3sp auto trans with 2200 convertor, 422" 340-based engine. Ported factory iron heads, pump gas, hydraulic cam, 870 Holley Avenger carb - gets 17mpg in mixed driving. Makes about 450hp based on mph/weight. If your engine is that mild and tuned well, and the driveline is properly matched to you honest usage, you should be getting between 15-20+ in an A body. More with an OD trans of EFI.