world 351 block 3.85 stroke 6.0 rod 11.2 comp. dart pro 225 heads 638lift 276@50 der. 107 lobe center 4inch bore solid cam victor intake 900plus cfm carb2inch step headers this is a craig hill motor. and i will now putup or shut up. I say 600hp at 7200. tune in next week.I will post the dyno video and dyno sheet . and about craigs cost i gave him what his quote was up front and told him that was it . he was happy i am not his typical customer. One more thing my spr muffs are getting new cores 1/8 inch should be loud. like a dumptruck on nos. stay tuned next week.
first run cam brake in second jetting timing third the big pull .once the rings are seated its balls out .once the cam and rings are seated there is no reason not to spin the motor to its limit. 500mile breakin is from the old iron ring days. ps. it will spin at 7200 all day. i have bilt 440 mopar that spin to 7500 all day with twice the piston and rod weght.