New Combo for this year. Same block, crank and rods. Different J heads 2.08/1.60 valves that flow 267 cfm @ .600 lift. KB 191 pistons 11.75:1 compression. Comp 292/299 .508 hydraulic cam with same 1.6 rockers. Vic JR. intake 750 double pumper on E85. Same converter....will let you know what it runs