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OBJECTIVE: Wet flow, pressure excursions, port volume, runner length, plenum volume—all these figure into an engine's overall efficiency. But there's more… Sometimes theory is neat, but ...
driving 4 answers on MSN7dOpinion
If You Understand Volumetric Efficiency You Understand EnginesThe volumetric efficiency table is probably the most important one in any ECU.The vertical axis is engine load, in this case, ...
For most street engines, a good curve should have achieved total mechanical advance by 2,800 to 3,000 rpm. See All 10 Photos This is a typical mechanical-advance mechanism on the top of an MSD ...
Fuel consumption, however, does not follow the same curve as the manifold pressure. Full retard results in the most fuel consumption and full advance appears to have the least fuel consumption.
The manifold absolute pressure sensor reads the amount of pressure or vacuum (also called “engine load”) in the intake manifold, where outside air is divvied up in proper amounts and ...
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