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FE Power Forums => FE Technical Forum => FE Engine Dyno Results => Topic started by: Stangman on July 30, 2022, 11:48:20 PM

Title: Stangman 486 BT 2x4
Post by: Stangman on July 30, 2022, 11:48:20 PM

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Performance Summary:
      Cubic Inches:     486          Blair Patrick
      Power Adder:                  Where dynoed:
      Peak Horsepower: 625 @6200
      Peak Torque: 608 @ 4800

Horsepower and Torque Curves:


Engine Specifications:
   Block brand, material, finished bore size, other notes: 63 1/2 factory CO drilled for more oiling to lifters
     
   Crankshaft brand, cast or forged, stroke, journal size:  Scat 4.250
     
   Connecting Rods brand, material, center to center distance, end sizes, bolts:  Scat 6.70 with bolt upgrade

   Piston brand, material (caster, hypereutectic or forged), dish/dome volume, static CR: Diamond 17 cc dish. 1.33 comp height 10.5 to 1

   Main Bearings, Rod Bearings, Cam Bearings brand and size: clevit rod bearings

   Piston rings brand, size, other notes:

   Oil Pump, pickup, and drive: Mellon’s 57 b

   Oil pan, windage tray, oil filter adapter: Canton,,,also windage try

   Camshaft brand, type (hyd/solid, flat tappet or roller), lift and duration (adv and @.050")
258 int,,265 exh @50.    650 lift int/exhaust.  Solid roller

   Lifters brand, type:  Crower solid rollers

   Timing chain and timing cover:

   Cylinder heads brand, material, port and chamber information:  survival  2.22 int//1.70 exh
Clean up in chamber 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:  2.22

   Exhaust valve brand, head size, stem size:  1.70
   
   Valve springs brand, part number, specs: 195—550

   Retainers and locks brand, part number, specs:

   Rocker arm brand, type (adjustable or non-adj), material, ratio. TD race 1.76

   Rocker shafts and stands, brand, material: TD

   Pushrods brand, type, length:  Manton 3/8 145 wall

   Valve covers, brand, type: Chrome baldies if possible

   Distributor brand, advance curve information: Msd 8594

   Harmonic balancer brand: Powerbond

   Water pump brand, type (mechanical or electric): Edelbrock aluminum

   Intake manifold brand, material, porting information: BT 2x4 small clean up under carb
Mill to get proper angle

   Carburetor(s) brand, type. Quick Fuel 750s

   Exhaust manifolds or headers brand, type: dyno headers/// will be using 1 7/8  6114 Hookers

1967 Fastback stock suspension with Calvert shocks and bars.

   

Title: Re: Stangman 486 BT 2x4
Post by: Jb427 on July 31, 2022, 08:44:35 AM

nice engine there

Title: Re: Stangman 486 BT 2x4
Post by: Sand hauler on July 31, 2022, 09:17:49 PM

Very nice build , congratulations

Title: Re: Stangman 486 BT 2x4
Post by: cjshaker on August 02, 2022, 12:54:52 AM

First run:

(https://i.postimg.cc/xT9c9dSY/Resized_KIMG1468.jpg) (https://postimages.org/)

Title: Re: Stangman 486 BT 2x4
Post by: cjshaker on August 02, 2022, 10:44:27 AM

I misstated on the final run. Here are the numbers for the final:

(https://i.postimg.cc/NFmb657g/20220802-102457-1.jpg) (https://postimages.org/)

Title: Re: Stangman 486 BT 2x4
Post by: 6667fan on August 02, 2022, 10:50:51 AM

Thanks Doug for hooking in those sheets.

I hope Blair sees this but anyone can answer.

How does brake specific fuel consumption translate to A/F?  Are there BSFC numbers that are desirable from a WOT perspective such as dyno pulls?

Thanks