LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

what would cause this?

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Old May 31, 2003 | 10:52 AM
  #1  
PaulN64's Avatar
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From: Macon,GA, USA
Question what would cause this?

tapped the car a few weeks ago and we read 10 degrees of timing retard at WOT. Any ideas?
Old May 31, 2003 | 11:20 AM
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u have 1.6rrs or some type of mod thats loud? id get an lt4 Knock modual if you know theres nothing wrong.. the reason for the retard is the knock modual is reading something
Old May 31, 2003 | 11:28 AM
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only thing I have that is loud is the bullet muffler. I'm still running the stock manifolds and cats. You can look at my sig to see all the mods that I've done.




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