Lykins Motorsports High RPM Hydraulic Roller 390 FE, 540 hp

[blykins]

Performance Summary:
      Cubic Inches:     391          Dyno brand: Stuska
      Power Adder:     N/A          Where dynoed:  Dale Meers Racing Engines, Buffalo, KY
      Peak Horsepower:  542 @ 7000
      Peak Torque:  460 @ 5500

Horsepower and Torque Curves:


Engine Specifications:
   Block brand, material, finished bore size, other notes:  Factory C6ME, 4.060" bore, 10.145" deck height, half-filled with Hard Blok, bronze lifter bore bushings
     
   Crankshaft brand, cast or forged, stroke, journal size:  Factory 2U,  .020" on rods, .010" on mains
     
   Connecting Rods brand, material, center to center distance, end sizes, bolts:  Molnar 6.490", ARP 2000, factory FE rod journal

   Piston brand, material (caster, hypereutectic or forged), dish/dome volume, static CR:  Custom Racetec forged, 4cc dome, 11.1:1

   Main Bearings, Rod Bearings, Cam Bearings brand and size:  Federal Mogul 125M10, Calico coated Federal Mogul rod bearings, Durabond FP-33

   Piston rings brand, size, other notes:  Mahle 1mm/1mm/2mm

   Oil Pump, pickup, and drive:  Melling M57HV, Milodon pickup

   Oil pan, windage tray, oil filter adapter:  Milodon front sump, no tray, factory adapter

   Camshaft brand, type (hyd/solid, flat tappet or roller), lift and duration (adv and @.050"): Custom Lykins Motorsports hydraulic roller 259/269 @ .050", 114/107, .635"/.635"

   Lifters brand, type:  Morel 5329

   Timing chain and timing cover:  Cloyes billet, factory cover

   Cylinder heads brand, material, port and chamber information:  Factory C8OE-N, 74cc chamber, 162cc intake port volume

   Cylinder head flow in cfm at inches of lift (28" H2O pressure drop):
      Intake               Exhaust
      .100   62              .100  54
      .200   126            .200  107
      .300   197            .300  134
      .400   260            .400  156
      .500   279            .500  171
      .600   281            .600  183
      .700   289            .700  191
      .800                    .800

   Flow bench used, location:  SuperFlow SF600, Lawes Mayfield Motorsports

   Intake valve brand, head size, stem size:  XCeldyne, 2.08", 5/16" stem, titanium

   Exhaust valve brand, head size, stem size:  Ferrea stainless, 1.63", 7mm stem
   
   Valve springs brand, part number, specs:  Comp Cams 7256

   Retainers and locks brand, part number, specs:  PAC titanium retainers, Manley locks

   Rocker arm brand, type (adjustable or non-adj), material, ratio:  Lykins Motorsports non-adjustable, roller-tip, bronze bushing, aluminum body, 1.76:1

   Rocker shafts and stands, brand, material:  Harland Sharp HD

   Pushrods brand, type, length:  Trend 5/16", .105" wall, all around 8.900" +/- .030"

   Valve covers, brand, type:  Repop GT chrome

   Distributor brand, advance curve information:  MSD Pro Billet, locked out

   Harmonic balancer brand:  Powerbond ST

   Water pump brand, type (mechanical or electric):  Rebuilt factory

   Intake manifold brand, material, porting information:  BBM Tunnel Wedge, no porting

   Carburetor(s) brand, type:  (2) Holley 1850, custom from Drew Pojedinec

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

[plovett]

You got what is I would say approximately the same hp as my 428.  But you did it with a 390 and its smaller bore, ported factory heads, and a hydraulic lifter cam.  That is pretty cool.  I had to use ported aftermarket heads, a solid cam, bigger bore, and more cubes.  I am sure your next iteration will be even better.

I am not a fan of hydraulic roller cams in general, but you seem to be proving your point.  If they can be made to rpm, make great hp, need little maintenance, and have great reliability;  well then, it is hard to argue against them. 

JMO,

paulie

edit:  I'm not saying I'm ready to go hydraulic roller yet! 

[blykins]

I was catching grief from a certain individual, even with a comment on the YouTube video of, "That's it?" 

But all-in-all, a 390 with lightly worked factory heads, making 540 hp isn't really much to sneeze at.  There was *almost* 50 cfm difference on the intake side between this engine and the TFS headed 390 that I did several months back.  That's a ton....

I did make a mistake on the contest though that I'll own up to....for some reason I put 12:1 compression in the specs.  Not sure what I was thinking as everything measured up to 11:1.  The thing probably would run on 93 octane....

The purpose was to test the rpm limits.  Now that that's accomplished, I'll be back with a different camshaft and we'll try to get the power up. 

[427LX]

What was the valve spring pressure? Are these lifters a limited travel type?

Tunnel wedge intake with 600 cfm 1850's...NICE 

Wish there was a Price Motorsports Tunnel Wedge for my 427 Windsor!   

I like to follow the FE builds.

[blykins]

200/500.

Short travel, yes.

[Tobbemek]

Brent how about some dyno sheet from the pull, interesting to see when that a little od cam came alive.

[cjshaker]

I was catching grief from a certain individual, even with a comment on the YouTube video of, "That's it?" 

A "grown man" with a preoccupation for stalking you. That's just weird.

It'll be interesting to see what future changes bring about. Dyno mules are great sources of information.

[blykins]

Brent how about some dyno sheet from the pull, interesting to see when that a little od cam came alive.

It had 300 hp at 4000 rpm.  At 4500, it started gaining 30 hp per 250 rpm.

[jayb]

Brent, do you have a graph of the HP and torque?  Morel lifters?

[blykins]

I didn’t print out a graph for this one, just got raw data.  But we can make a graph.

Yes, Morel.

[blykins]

[jayb]

Nice power curve.  I haven't seen too many like that on hydraulic lifters, must be the short travel lifters and the spring pressures?

[Stangman]

Looks like it doesnt start to dip till 7000 and not to much at that.

[blykins]

Nice power curve.  I haven't seen too many like that on hydraulic lifters, must be the short travel lifters and the spring pressures?

Jay, I don't know if you have been following the other thread that lead up to this.  I know you've been busy with PRI, getting parts out, etc.

This is the result of a lot of planning and a lot of specialized and lightened parts.  If I would have had enough cylinder head, I think this engine would have gone to 8000 with a hydraulic roller. 

It seems like just 5 years ago, we were saying "hydraulic rollers in FE's just tend to give up at 6000-6200".  We started slowly inching that limit up until we were seeing 6500-7000 and now we are pushing higher. 

[XR7]

Are the Morel short travel lifters "noisy" at all? There is a big thread on yellow bullet about Morel hydraulic rollers being noisy, mostly on BBC engines. Nice running 390! It would be fun to see the Trick Flow heads on this exact engine and then re-dyno. Then try the new bump sticks after. I know... easy spending your time and money...