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Predator tune and engine knock

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Old Apr 18, 2008 | 07:06 PM
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SpiralGray03's Avatar
SpiralGray03
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From: Aldie VA
Default Predator tune and engine knock
I know that one of you will be able to answer my question:

About 6 months ago I installed the standard Predator performance tune in my 2003 A4 coupe. I always use premium high test gasoline, right now Sunoco 91 octane. Today going up the fairly steep hill to my house here in the Virginia foothills, I noticed some engine knock. I never noticed it under the stock tune.

Do I need to start using Sunoco 93? Any other ideas?

Thanks!
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Old Apr 18, 2008 | 07:12 PM
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From: lockport n.y
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thats a good start
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Old Apr 18, 2008 | 07:13 PM
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From: SANTA MARIA,CA. formerly Magnolia Texas
St. Jude Donor '08-'09
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Originally Posted by dobewillie
thats a good start
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