509 Big Block Chevrolet built by Pfaff Racing Engines.
Roughly 35 hours run time after build.
Engine was broken in on the Dyno and then tuned on the Dyno.
Dyno sheet provided.
Engine made 577.4 ft-lbs @ 4,400 RPM and 563.6 HP @ 5,693 RPM.
Engine was built with lower compression as I was planning on installing a Blower or Whipple at a later date.
Now my projects are going in a different direction.
GEN V 8.2/502 Block, 0.030 over bore
8.6:1 JE 4.500 pistons
6.135 Manley H-beam rods
4.00 stroke GEN V 502 GM forged crankshaft
Mellings oil pump
Dooley 10 quart V-drive oil pan
JE piston rings
320cc Merlin rectangle port cylinder headso
118cc combustion chamberso
2.300 Stainless steel intake valveso
1.88 Inconel exhaust valves
Paul Pfaff valve covers
Cloyes billet timing chain
Crane hydraulic roller camshafto
Grind number HR230: 230* duration int. / 236* duration exh. / 114* lobe separation / .598 lift int. / .610 lift exh.
Competition CAMs hydraulic roller lifters
4130 Manley pushrods
Competition CAMs gold roller rockers
Polished single plane intake manifold
JOMAR carb spacer
850 Holley double pumper
Stainless steel flame arrestor
MSD marine distributor
1 Magnaflow CAM driven water pump
GM steel flywheel
IMCO timing cover
Price $6,800 OBO
Note: Exhaust not included
Please PM or call me with any questions. 714-588-7086