Running a 4 hour break-in.

V8 engine block deck with pistons in the bores and a '75' casting mark V8 engine on orange stand, black block with bare aluminum head deck and valve springs Black-painted V8 engine on an engine stand with exposed valve springs and timing-marked balancer Rebuilt gloss-black V8 engine on a stand showing timing cover and harmonic balancer V8 cylinder head with blue aluminum roller rocker arms and valve springs, valve cover removed, on engine stand Close-up of an engine's blue aluminum valve covers and springs Engine on stand with blue valve covers, chrome intake, and carburetor. A white car is visible in the backgroun V8 cylinder head with blue aluminum shaft roller rockers and valve springs exposed, valve cover off Ford Y-block V8 on a red engine stand with blue rockers exposed and four-barrel carburetor V8 engine on stand with blue roller rockers exposed, aluminum intake and carburetor installed 1957 Ford Custom Sedan photo Blue V8 on red engine stand with chrome valve covers, 4-barrel carb and black headers Built V8 on a red run stand with chrome valve covers, four-barrel carb and long-tube headers V8 engine with chrome valve covers, black headers and radiator mounted on a red run stand outdoors 1957 Ford Custom Sedan photo Red vintage two-door sedan parked in profile on a street in front of a house 25photos in this albumView all