Quote:
Originally Posted by abell75
It would seem to me that load correlates to torque, and the %load we should target during the Pulse part of P&G is defined as that which puts us in the middle of the most efficient island. Others have mentioned TP though; is there a reason it would correlate better?
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Load would take into account how much air is actually going into the engine, or the air pressure in the manifold which more or less correlates with how much air is going in.
Throttle position is related to load (and manifold pressure), as the air has to go through the throttle body. But engine RPM, air temperature, and other factors affect the actual amount of air going in as well.
The throttle position is very useful for telling when the driver goes to Wide-Open Throttle (WOT) or when the throttle is closed, and also when the throttle is being opened which indicates the driver wants to accelerate. But it is less useful than load for showing what is going on in the engine IMHO.
-soD