6637 Noise while towing
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
Which noise?
6637 opens up the intake, and you hear all the noises the stock turbo makes. The "Darth Vader" exhale on up-shifts is normal, as is the steady hiss sound at very low RPM's.
The rattlesnake "chuffa-chuffa" sound is surge, and you want to avoid that.
6637 opens up the intake, and you hear all the noises the stock turbo makes. The "Darth Vader" exhale on up-shifts is normal, as is the steady hiss sound at very low RPM's.
The rattlesnake "chuffa-chuffa" sound is surge, and you want to avoid that.
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Posting Guru
Joined: Jul 2004
Posts: 1,686
Likes: 0
From: East Tn
It makes a steady whoosh untill I let off, then it goes away.
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ANigrelli132
6.0L Power Stroke Diesel
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Jun 24, 2014 10:38 AM
