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Ford Raptor Engine Discussion and Performance Mods
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<blockquote data-quote="spack" data-source="post: 1986979" data-attributes="member: 69868"><p>The scope readings. These aren't too useful yet. Need more constant load and steady state situations.</p><p>One thing that jumps out. At 266 seconds the intake does a short pin lock. I wonder what that's about. It's after acceleration and coming down to no load idle</p><p></p><p>Hot Start - open_loop</p><p>Oil pressure 370kpa</p><p>RPM = 1470</p><p>Exhaust = 0 Intake = 0</p><p></p><p>Hot Start - just after closed loop @ 15 seconds</p><p>Exhaust = 0 intake = -5</p><p></p><p>Hot Start @ 30 seconds</p><p>Oil Pressure = 200kpa</p><p>RPM drop to 580 RPM</p><p>Exhaust = nearly 0. Intake nearly 0</p><p></p><p>Blip accelerator pedal</p><p>Exhaust = 40. Intake = 0</p><p></p><p>Light acceleration 2700 RPM</p><p>Exhaust = 45. Intake = 0</p><p></p><p>Light deceleration rpm 2000</p><p>Exhaust = 0 intake = -23</p><p></p><p>Mid acceleration 3000 RPM</p><p>Oil pressure step to 460kpa</p><p></p><p>High acceleration from 3000 rpm</p><p>Exhaust steady at 10. Intake Initial drop to -57 degrees then retard with RPM to 45 degrees at 4200 RPM</p><p></p><p>High deceleration</p><p>Exhaust 0. Intake -30</p><p></p><p>cruising</p><p>Exhaust 45. Intake 0</p></blockquote><p></p>
[QUOTE="spack, post: 1986979, member: 69868"] The scope readings. These aren't too useful yet. Need more constant load and steady state situations. One thing that jumps out. At 266 seconds the intake does a short pin lock. I wonder what that's about. It's after acceleration and coming down to no load idle Hot Start - open_loop Oil pressure 370kpa RPM = 1470 Exhaust = 0 Intake = 0 Hot Start - just after closed loop @ 15 seconds Exhaust = 0 intake = -5 Hot Start @ 30 seconds Oil Pressure = 200kpa RPM drop to 580 RPM Exhaust = nearly 0. Intake nearly 0 Blip accelerator pedal Exhaust = 40. Intake = 0 Light acceleration 2700 RPM Exhaust = 45. Intake = 0 Light deceleration rpm 2000 Exhaust = 0 intake = -23 Mid acceleration 3000 RPM Oil pressure step to 460kpa High acceleration from 3000 rpm Exhaust steady at 10. Intake Initial drop to -57 degrees then retard with RPM to 45 degrees at 4200 RPM High deceleration Exhaust 0. Intake -30 cruising Exhaust 45. Intake 0 [/QUOTE]
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