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Joel2702zzz · 10-12-2018, 03:05 PM

2016 SS M6 with catless LT headers, MSD manifold, CAI, ported TB, and E85.
Using the hptuners horsepower calculation the car made 479 hp at 6000 rpm with 21.5 degrees of timing, then, above 6000 there is a lot of knock retard (6-10 degrees) but, car still makes good power even with the timing retard at high rpm. Now what doesn't make sense is that with 25 degrees of timing at 6000 it makes crappy power but doesn't knock much at above 6000 but it makes way less power, is this possibly false knock?

10-12-2018, 03:05 PM	#1
Joel2702zzz Drives: My Dad's car is a '16 1SS 6MT Join Date: Jul 2016 Location: Menifee CA Posts: 76	Doesn't Make Any Sense 2016 SS M6 with catless LT headers, MSD manifold, CAI, ported TB, and E85. Using the hptuners horsepower calculation the car made 479 hp at 6000 rpm with 21.5 degrees of timing, then, above 6000 there is a lot of knock retard (6-10 degrees) but, car still makes good power even with the timing retard at high rpm. Now what doesn't make sense is that with 25 degrees of timing at 6000 it makes crappy power but doesn't knock much at above 6000 but it makes way less power, is this possibly false knock?