Small Block Stroker ... Gas mileage?

390 stroker - similar cam to OP - 27" tyre - 3.89 gears - 3 speed auto - 800cfm Eddy AVS Thunder - Crane Hi 6 module.

12MPG city driving in stop-start traffic.

18 MPG country driving 60 MPH at 2950 rpm.

On primaries only.