Help with S/C noise on ACE kit!

bcfromfl

Yes...that's the sound...except it only occurs now between 2500-3000 RPMs at zero engine load cruising. Before, the PT50 even did it at idle, and up and down RPMs like yours. The PT50 was higher-pitched as well, and sounded horrendous.

The shop owner put in the green spring into the Q50, which helped immensely. But even now that it's "improved," it's still a deal-breaker. If you didn't know better, you'd think the engine was coming apart.

I had the shop owner coordinate a remote-tune through Sebastian, who he knows personally. Sebastian sent two separate tunes, one a conservative tune for ambient temps above 80F, and a "beast mode" tune. I've been running the beast mode tune, and don't know if there's a change in the sound for the conservative tune. Haven't had time yet for testing.

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Michelin PS4S 275/35F, 305/30R /// Exhaust: Motordyne ART Pipes, Garageline X and Mid-Pipe Combo /// Clutch: ZSpeed EZ-Street Stage II, RJM HD Master Cylinder