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my LS1 is breaking up when it hits 5k+ rpm

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Old 03-24-2011, 06:35 PM
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Has there ever been any problem with the SLP pulley?
Old 03-24-2011, 07:23 PM
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Originally Posted by Carter01
Glad it fixed it, I knew that was it after I read about three or four posts in. It's funny how no one believed me 3 years ago when I posted up what fixed my car and it still holds true today.
YOU are the man!
Old 03-28-2011, 12:26 AM
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Damn my car is breaking up in the higher rpms also, the tune is off and the car is cammed but i need to keep this on my mind.

I will update if i find the same issue, i am unsure of the brand of under drive pulley i have.
Old 03-31-2011, 04:14 PM
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Originally Posted by LilJayV10
Has there ever been any problem with the SLP pulley?
none that ive read about or have personally encountered. had slp/powerbond UD pullies on 2 fbodies and my c5 with no problems
Old 03-31-2011, 04:25 PM
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Didn't read the thread.. Have you tried a new coil pack??

EDIT: I jsut scrolled up and saw it was the ASP pulley.. That's strange.. I've been rocking their pulley since 2007 w/o any problems....
Old 04-01-2011, 10:40 AM
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yeah its definately weird, but the problem went away after i put the SLP on lol
Old 04-01-2011, 01:31 PM
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Originally Posted by 98TADRIVER
yeah its definately weird, but the problem went away after i put the SLP on lol
Was the pulley out of balance causing your knock sensors to activate?
Old 04-01-2011, 05:06 PM
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On mine the knock sensors weren't pulling any timing at all.



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