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Whitey (The Phoenix) 6 cylinder...

An engine mathematical analysis

   Whitey - A 1975 Spitfire 6 Cylinder and Fuel Injected Conversion

   Whitey's Home Page    The 6 cylinder     Fuel injection ECU    Custom Manifold  
The ECU location   96 Amp Alternator   A Remote oil filter   Aluminum Radiator 
 Engine Position comparison     Frame mods    Firewall mods     An engine analysis  

 Paintwork 

ODD paint photo problems!    compounding, buffing polishing    
 new tranny position   Shortening the shifter   a new tranny tunnel   the new clutch line 
  molded carpet mods    Outdoors in the Sun!   Engine Test stand     F.I. Home Page
  GT6 brakes    Self adjusting rear brakes     full engine out in the sun    A Sneak Peek!
  CV axles and custom a-arms   The other half of the story

 

  The following is a mathematical model of the fuel injected 6 cylinder engine used in this project. The numbers are based on all the mechanical dimensions of components, intake dimensions, throttle bodies, injector sizes, measured compression, etc etc etc. The analysis was done with Engine Analyzer Pro v3.  The second chart is the plot of hp vs torque.

    The interesting things to note....

  1. The PkTq and PkHp numbers (in the upper right corner)
  2. The two 'peaks' in the Exh Temp Deg F exhaust temps at 4500 and 5500 rpm - they seem to follow two power spikes VERY noticeable while driving. They're assumed to be the tuned resonance of the intake design. (haven't held it at 6500 to feel that one!)
  3. Vol Eff% (VE) numbers even seem to match the Megasquirt (controller) VE tables!
  4. The In Port Tmp F at least at 2krpm appear spot on, as measured with a thermal laser temp. probe 

   I can't wait for a full dyno run!


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All material copyright Teglerizer 1996-2008

last edited 
3/15/08

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