Author Topic: Bullocks Power Service 457, iron CJ heads, Tunnel Wedge, pump gas, 545 HP  (Read 1396 times)

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My427stang

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Performance Summary:
      Cubic Inches:    457    Dyno brand:  Stuska
      Power Adder:               Where dynoed:  Dale Meers Racing Engines
      Peak Horsepower:   545 HP @ 6000 RPM      Peak Torque:   545 @ 4500 RPM  (558 @ 4500 with 750 annular carbs)

Engine Specifications:
   Block brand, material, finished bore size, other notes:  Ford C-scratch CJ 428,  4.140 bore, squared, deck plate honed, 10.155 deck
     
   Crankshaft brand, cast or forged, stroke, journal size:  SCAT cast 4.25 stroke
     
   Connecting Rods brand, material, center to center distance, end sizes, bolts:  K1 Technologies H-beam, 6.70"

   Piston brand, material 4032 forged Autotec, 5cc relief flat top w/ symmetrical valve reliefs, SCR 10.69:1, .005 above deck, .046 quench

   Main Bearings, Rod Bearings, Cam Bearings brand and size:  TRW mains, Clevite rod bearings, Durabond cam bearings

   Piston rings brand, size, other notes:  Mahle, standard tension 1.5mm/1.5mm/3.0 mm
 
   Oil Pump, pickup, and drive:  Melling M57HV, custom Milodon pickup, ARP pump drive
 
   Oil pan, windage tray, oil filter adapter:  Vintage Milodon 9 quart deep pan, Canton screen-type tray, factory Ford 90 degree large port adapter
 
   Oil and filter: 10w30 Penngrade with FL1A

   Camshaft brand, type (hyd/solid, flat tappet or roller), lift and duration (adv and @.050"):  Custom Comp Cams hydraulic roller ground to requested specs , 241/241 @ .050", 112 LSA, 107 ICL, .630/.630
 
  Lifters brand, type:  Morel standard travel
   
  Timing chain and timing cover:  Cloyes billet, factory Ford cover

  Cylinder heads brand, material, port and chamber information:  Fomoco original CJ with Craft CnC port, 83cc chamber

   Cylinder head flow in cfm at inches of lift (28" H2O pressure drop):

   .600   295   226

   Flow bench used, location: Craft Racing supplied numbers (will upload fill chart later)
 
  Intake valve brand, head size, stem size:  SI valves, 2.150", 11/32"

   Exhaust valve brand, head size, stem size: SI valves, 1.700", 11/32"
   
   Valve springs brand, part number, specs: PAC 1.46 155 closed / 400 open

   Retainers and locks brand, part number, specs:  PAC Steel

   Rocker arm brand, type (adjustable or non-adj), material, ratio:  Lykins non adjustable rollers

   Rocker shafts and stands, brand, material: Precision Oil Pumps hardened shafts, middle and end stands and studs shimmed for rocker pattern

   Pushrods brand, type, length:  Trend custom

   Valve covers, brand, type:  Tony Branda repop chrome PBF

   Distributor brand, advance curve information:  Ford dual point mechanical advance, recurved, Pertonix conversion

   Harmonic balancer brand:  Powerbond

   Water pump brand, type (mechanical or electric):  Date coded Ford C8 rebuilt

   Intake manifold brand, material, porting information:  Ford Tunnel Wedge, no modifications

   Carburetor(s) brand, type:  Holley 1848 465 cfm, as delivered, main body squared, and baseplate modified for dual quad use, no changes to calibration

   Exhaust manifolds or headers brand, type: Dyno headers



« Last Edit: March 27, 2023, 03:20:56 PM by My427stang »
---------------------------------
Ross
Bullock's Power Service, LLC
- 70 Fastback Mustang, 489 cid FE, Victor, SEFI, Erson SFT cam, TKO-600 5 speed, 4.11 9 inch.
- 71 F100 shortbed 4x4, 461 cid FE, headers, Victor Pro-flo EFI, Comp Custom HFT cam, 3.50 9 inch