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Re: red line 6.0 psd
This excerpt taken directly from my 2003 6.0 Liter Owners Guide SUPPLEMENT:
Engine governed speed
The engine governor is controlled by the PCM. The PCM controls fuel input to limit maximum engine speed. It will not, however, prevent engine overspeeding resulting from downshifting at high vehicle speed or by descending steep grades at too high a vehicle speed for the selected transmission gear.
For maximum vehicle speed in various gears, refer to Manual transmission shift speeds in the Driving section of your owner's guide. Do not exceed 3,600 rpm. Maximum engine governed speed is 4,000 rpm depending on engine load. Excessive rpm can only be achieved by manually downshifting at too high of a vehicle speed.
Operating the engine beyond the governed speed can cause severe engine damage.
This Paragraph was quoted directly from page 5 of my Power Stroke Supplement booklet.
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2003 RED F-250 Lariat FX4
SuperCab, Short Box, 6.0L, Torqueshift
"1991" Sun-Lite Pop/Up Slide-In Camper
DIY-Coolant Filter
137,000 as of 1/26/2012
3/19/11, Converted to (red) Delo ELC, new bottle & cap, all temps reading good, orig EGR & OIL coolers, probably thanks to the coolant filter, and previously frequently flushed Motorcrap Gold.
Keep on truckin  
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