Compression Ignition Addict
Join Date: Mar 2008
Location: Central CT
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Gas- Air controlled (throttle), spark ignition. Engines draw a vacuum in the intake manifold. More air/fuel mixture (open throttle plate)= more power.
Diesel- Fuel controlled (no throttle blade), compression ignition. In theory, no vacuum in intake, because there is no throttle blade. More fuel= more power.
Pretty cool idea. I don't know why American car makers don't make a modern clean diesel car. VW has a great plan with the TDI.
2008 F-250 6.4L PSD, SC, short bed, 4x4 auto, Toreador red. Huntsville motor, all stock except for Injen/Amsoil intake.