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03-26-2017, 04:02 PM
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#7 |
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Senior Member
Join Date: Feb 2002
Location: Southeast Michigan
Posts: 909
Likes: 70
Liked 239 Times in 114 Posts
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Re: 5.3 LS Top End Noise
If you Google GM lifter/valvetrain noise there are a lot of "fixes" . Most involve pouring some type of product into the oil to clean crud out of the lifters . Seafoam comes to mind , or Marvel Mystery Oil . Worth a try before getting inside the engine .
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