Survival Motorsports built 505 cubic inch FE stroker. Made 694 horsepower at 6400RPM. Compression is 10.6:1, running on unleaded, bore is 4.350 stroke is 4.250. Heads are CNC ported Edelbrocks with a port matched Dove Tunnel Wedge intake and a pair of our 750 2x4 carbs. Unusual oil pan is a modified Canton for crossmember clearance with a rack pinion conversion.