Author Topic: Lykins Motorsports 408 Cleveland, 9.6:1 Street Engine, 545hp  (Read 209 times)

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blykins

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Lykins Motorsports 408 Cleveland, 9.6:1 Street Engine, 545hp
« on: April 23, 2026, 07:45:34 AM »
Performance Summary:
      Cubic Inches:  408             Dyno brand: Stuska
      Power Adder:  Nope        Where dynoed: Dale Meers Racing Engines
      Peak Horsepower:  545
      Peak Torque:  545

Horsepower and Torque Curves:


Engine Specifications:
   Block brand, material, finished bore size, other notes:  Factory 351C 2-bolt main
     
   Crankshaft brand, cast or forged, stroke, journal size:  Scat 9000 series, 4"
     
   Connecting Rods brand, material, center to center distance, end sizes, bolts:  Scat I-beam

   Piston brand, material (caster, hypereutectic or forged), dish/dome volume, static CR:  Mahle dish, 9.6:1

   Main Bearings, Rod Bearings, Cam Bearings brand and size:  Calico coated Clevite main/rods, Durabond cam

   Piston rings brand, size, other notes:  Mahle

   Oil Pump, pickup, and drive:  Melling M84AHV, Milodon pickup, ARP shaft

   Oil pan, windage tray, oil filter adapter:  Milodon front sump, 9 quart

   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

   Cylinder heads brand, material, port and chamber information:  Factory 4V quench heads

   Intake valve brand, head size, stem size:  2.190", 11/32", SI stainless

   Exhaust valve brand, head size, stem size:  1.710", 11/32", SI stainless
   
   Valve springs brand, part number, specs:  PAC dual spring

   Retainers and locks brand, part number, specs:  PAC steel retainer

   Rocker arm brand, type (adjustable or non-adj), material, ratio:  Scorpion 1.73:1

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

   Valve covers, brand, type:  Temporary chrome, stamped steel, factory style

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

   Harmonic balancer brand:  Powerbond

   Water pump brand, type (mechanical or electric):  Electric water pump on dyno

   Intake manifold brand, material, porting information:  Joe Craine ported Edelbrock Performer RPM Air Gap

   Carburetor(s) brand, type: Holley 750 DP

   Exhaust manifolds or headers brand, type:  Dyno headers
 
« Last Edit: April 23, 2026, 08:03:29 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
Instagram:  brentlykinsmotorsports
YouTube:  Lykins Motorsports

blykins

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Re: Lykins Motorsports 408 Cleveland, 9.6:1 Street Engine...
« Reply #1 on: April 23, 2026, 07:46:49 AM »
Just gotta say, factory 4V Cleveland heads are some bad chicks.

9.6:1, no port work, dual plane intake, lots of horsepower and lots of torque. 

Peak hp rpm was at 6000 rpm.
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
Instagram:  brentlykinsmotorsports
YouTube:  Lykins Motorsports

blykins

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Re: Lykins Motorsports 408 Cleveland, 9.6:1 Street Engine...
« Reply #2 on: April 23, 2026, 07:58:26 AM »
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
Instagram:  brentlykinsmotorsports
YouTube:  Lykins Motorsports

preaction

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Re: Lykins Motorsports 408 Cleveland, 9.6:1 Street Engine, 545hp
« Reply #3 on: April 23, 2026, 08:41:57 AM »
Did you use an oil slinger on this build ?

blykins

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Re: Lykins Motorsports 408 Cleveland, 9.6:1 Street Engine, 545hp
« Reply #4 on: April 23, 2026, 08:54:30 AM »
I don't use oil slingers on any builds.  No factory tins in any of my engines.
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
Instagram:  brentlykinsmotorsports
YouTube:  Lykins Motorsports