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My car feels flat all the way to 2.2K rpm. I may go back to OEM cam timings below 2K and follow it up with going 100%DI with some additional spark timing. Right not the IAM =1 all the time so I am sure there is some potential for extra spark timing.
I have seen people get scared by seeing some -0.5 deg knock retard. In the world I work half a degree of spark retard is nothing at below WOT conditions. At WOT ofcourse you dont want a lot of spark pull out but upto a degree is okay as it doesnt change the numbers so much.
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