Quote:
Originally Posted by 400Eric
since, again, M103 CIS-E cars are easier to fool than M119 LH cars are. (If only I could figure out what the problem is.)
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I suspect that the fuel & ignition maps on the M119 LH and EZL do not vary the mixture/spark as much as the CIS-E does, given different inputs. It's not that the M119 is harder to fool, it's that the M119 doesn't reduce output as much during "less than optimal" conditions.
FYI, the FSM (more specifically, the Diagnostic Manual) specifies that when dyno testing the M119 engine, a fixed IAT of 20°C and fixed CTS of 80°C should be installed. I've tried 60°C vs 80°C and found basically zero difference in power output between those two points.
