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Old 03-11-2021, 06:33 PM   #6 (permalink)
bcfromfl
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Join Date: Nov 2016
Location: Youngstown, FL
Posts: 256
Drives: 2015 PW Nismo 6MT
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Quote:
Originally Posted by redondoaveb View Post
Does it sound like this?

https://youtu.be/71iNsASAbBE
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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