Author Topic: Lykins Motorsports 428PI Shelby Cobra Build  (Read 976 times)

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blykins

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Lykins Motorsports 428PI Shelby Cobra Build
« on: March 28, 2023, 08:26:38 AM »
Trying to catch up on some builds from the last few years that I haven't posted here....


Performance Summary:
      Cubic Inches:  433        Dyno brand:  Stuska
      Power Adder:                    Where dynoed:  Dale Meers Racing Engines, Buffalo, KY
      Peak Horsepower:  451 @ 5400
      Peak Torque:  501 @ 3200


Engine Specifications:
   Block brand, material, finished bore size, other notes:  Factory C6ME-A, 4.160"
     
   Crankshaft brand, cast or forged, stroke, journal size:  Scat 3.980"
     
   Connecting Rods brand, material, center to center distance, end sizes, bolts:  Molnar Ford FE 6.490"

   Piston brand, material (caster, hypereutectic or forged), dish/dome volume, static CR:  Racetec 4032, 1.670" compression height, flat top, 9.8:1

   Main Bearings, Rod Bearings, Cam Bearings brand and size:  Calico coated Clevite main bearings, Calico coated King rod bearings, Durabond cam bearings

   Piston rings brand, size, other notes:  Total Seal, 1.5/1.5/3mm

   Oil Pump, pickup, and drive:  Melling M57B, Melling pickup

   Oil pan, windage tray, oil filter adapter:  Scott Drake factory replacement pan

   Camshaft brand, type (hyd/solid, flat tappet or roller), lift and duration (adv and @.050"):  Custom Lykins Motorsports hydraulic roller

   Lifters brand, type:  Morel

   Timing chain and timing cover: Cloyes billet timing set and factory timing cover

   Cylinder heads brand, material, port and chamber information:  C6AE-R

   Flow bench used, location:  Not flowed

   Intake valve brand, head size, stem size:  Custom 2.080", 11/32" stem SI stainless
 
   Exhaust valve brand, head size, stem size:  Custom 1.560", 11/32" stem SI stainless
   
   Valve springs brand, part number, specs:  Comp Cams 914

   Retainers and locks brand, part number, specs:  Comp Cams 741, 611

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

   Rocker shafts and stands, brand, material:  POP

   Pushrods brand, type, length:  Trend, custom length 5/16" .080"

   Valve covers, brand, type:   Cobra Lemans

   Distributor brand, advance curve information:  Factory Ford, Pertronix conversion

   Harmonic balancer brand:   Powerbond

   Water pump brand, type (mechanical or electric):   New cast iron replacement

   Intake manifold brand, material, porting information:  Blue Thunder 1x4 MR, not ported

   Carburetor(s) brand, type:  Holley 750

   Exhaust manifolds or headers brand, type:  Dyno headers, 2" tubes



Fun fact, this one was built along side the other "428PI" dyno entry that's further down the dyno result page.  Interesting to see them come so close to each other on horsepower/torque with the same specs. 
« Last Edit: March 28, 2023, 08:41:52 AM 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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