509” Big Block Chevrolet built by Pfaff Racing Engines
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509” Big Block Chevrolet built by Pfaff Racing Engines

  1. #1
    Senior Member MBMoseBilt's Avatar
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    Default 509” Big Block Chevrolet built by Pfaff Racing Engines

    SOLD PENDING PAYMENT. 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
    · Clevite bearings
    · JE piston rings
    · 320cc Merlin rectangle port cylinder heads
    o 118cc combustion chambers
    o Pocket port
    o Bowl blend
    o 2.300” Stainless steel intake valves
    o 1.88” Inconel exhaust valves
    · Paul Pfaff valve covers
    · Cloyes billet timing chain
    · Crane hydraulic roller camshaft
    o 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
    · ½” JOMAR carb spacer
    · 850 Holley double pumper
    · Stainless steel flame arrestor
    · MSD marine distributor
    · 1” Magnaflow CAM driven water pump
    · GM balancer
    · 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
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    Last edited by MBMoseBilt; 04-08-2016 at 03:11 PM.

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  3. #2
    ptc
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    Where is it located? can you post up the dyno sheet ?
    1975 Sanger True Flat - 496 BBC
    http://v-drivecalifornia.blogspot.com/

  4. #3
    Senior Member MBMoseBilt's Avatar
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    Quote Originally Posted by ptc View Post
    Where is it located? can you post up the dyno sheet ?
    The engine is in Huntington Beach.
    Attached Thumbnails Attached Thumbnails CCF03092016_00000.pdf  

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