It was the first friday of june and sitting in an open wooden framed space at charlie peppers engine shop in auburn near atlanta greg browns innovative hemi heads on a man o war 427ci small block ford peaked at 928hp at 7700rpm and generated a maximum torque figure of 6740lb ft at 6000rpm. The legendary chet herbert was working on a hemi style head for fords and chevys before passing away.
Billet Aluminum Hemi Heads For Sb Ford Amp Sb Chevy Club Cobra
Hemi heads for sbf. Patent pending 62455690 hpe offers hemi cylinder heads for sbf and ls chevrolet engines. Add boost and a snort of methanol. To put that into perspective average unported. Heres one of the few sets of sbf heads in existance running on the dyno and making around 650 horsepower. The sound of the dyno approaching 8000rpm was almost ear splitting. A recent test of a prototype set of hammerheads castings bolted on a 427ci small block stroker produced over 600 hp with a streetable hydraulic roller camshaft and 600 lb ft of torque.
Hemi head valves are placed across the cylinder bore and inclined toward the center resulting in better airflow than a wedge design in a relatively small package. With the launch of the company brown has unveiled a new set of hemi style heads for ford 289 351w and 351c engines that flow 400 cfm at 0600 lift. These new aluminum hemi heads will bolt directly to any small block ford from a 289302 all the way up to 351w as well as cleveland engines. Available with water jackets or as solid castings.