Quote:
Originally Posted by SCdyne
In the 2.4 cat protect doesn't even kick in until 1688 deg F.
However EGTs tend to be different for every engine and not really a good indicator of engine health. EGT's can drop with both an increase and decrease in AFR along with cam position too.
If you really care about what's going on get a WB02 and forget about EGTs
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A wideband 02 is a good idea but completely ignoring EGT's is not. Hypereutectic pistons melt over 1600* I wouldn't want to just assume everything is fine because my afr is good and then scatter engine parts everywhere.