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07-12-2009, 12:26pm
Cyl 1, 2, 3.--- same EGT.
Cyl 4 ---- about 80 deg F higher. There not trimmed for max power & totally volumetric efficient engine operation. How to trim with the ECU hack tool & no EGT gauges on each pot ? Even from the factory, there is no way knowing each one of those 4 or 8 injectors is spitting out the exact same amount of fuel. Only way of telling is 4 x EGT sensors on each exhaust outlet.
[attachment=8339]
Cyl 4 ---- about 80 deg F higher. There not trimmed for max power & totally volumetric efficient engine operation. How to trim with the ECU hack tool & no EGT gauges on each pot ? Even from the factory, there is no way knowing each one of those 4 or 8 injectors is spitting out the exact same amount of fuel. Only way of telling is 4 x EGT sensors on each exhaust outlet.
[attachment=8339]