Author Topic: Lykins Motorsports 428 Cobra Jet  (Read 4290 times)

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blykins

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Lykins Motorsports 428 Cobra Jet
« on: May 07, 2015, 06:03:22 AM »
Performance Summary:
      Cubic Inches:      433    Dyno brand:  Stuska
      Power Adder:    N/A       Where dynoed:  Dale Meers Racing Engines, Buffalo, KY
      Peak Horsepower:  422
      Peak Torque:  467

Horsepower and Torque Curves:


Engine Specifications:
   Block brand, material, finished bore size, other notes:  Factory 428 CJ, 4.165"
     
   Crankshaft brand, cast or forged, stroke, journal size:  Factory CJ
     
   Connecting Rods brand, material, center to center distance, end sizes, bolts:  Scat H-beam, 6.490

   Piston brand, material (caster, hypereutectic or forged), dish/dome volume, static CR:  Diamond

   Main Bearings, Rod Bearings, Cam Bearings brand and size:  Federal Mogul/Federal Mogul, Durabond

   Piston rings brand, size, other notes:  Total Seal, 1/16, 1/16, 3/16

   Oil Pump, pickup, and drive:  Melling HV

   Oil pan, windage tray, oil filter adapter:  CJ Repop, Ford windage tray, Ford CJ filter adapter

   Camshaft brand, type (hyd/solid, flat tappet or roller), lift and duration (adv and @.050"):  Custom Comp Cams hydraulic roller, 227/233 @ .050", 112/104, .583/.572

   Lifters brand, type:  Morel

   Timing chain and timing cover:  Ford Racing/factory

   Cylinder heads brand, material, port and chamber information:  Factory 427 CJ, no port work, valve job

   Cylinder head flow in cfm at inches of lift (28" H2O pressure drop):
      Intake               Exhaust
      .100               .100
      .200               .200
      .300               .300
      .400               .400
      .500               .500
      .600               .600
      .700               .700
      .800               .800

   Flow bench used, location:

   Intake valve brand, head size, stem size:  Ferrea, 3/8, 2.09

   Exhaust valve brand, head size, stem size:  Ferrea, 3/8, 1.65
   
   Valve springs brand, part number, specs:  Comp 914-16
 
   Retainers and locks brand, part number, specs:  Comp 741/609

   Rocker arm brand, type (adjustable or non-adj), material, ratio:  Harland Sharp

   Rocker shafts and stands, brand, material:  Harland Sharp

   Pushrods brand, type, length:  Trend 5/16, Ball/Cup

   Valve covers, brand, type:  Factory

   Distributor brand, advance curve information:  Factory, steel gear

   Harmonic balancer brand:  Factory repop

   Water pump brand, type (mechanical or electric):  Factory repop

   Intake manifold brand, material, porting information:  Factory cast iron, no port work, 78 lbs.......yep

   Carburetor(s) brand, type:  Holley

   Exhaust manifolds or headers brand, type:
« Last Edit: August 16, 2020, 05:57:09 PM by blykins »
Brent Lykins
Lykins Motorsports
Custom FE Street, Drag Race, Road Race, and Pulling Truck Engines
Custom Roller & Flat Tappet Camshafts
www.lykinsmotorsports.com
brent@lykinsmotorsports.com
www.customfordcams.com
502-759-1431
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