lm7

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    2005 Yukon XL 5.3 L59 to LM7

    We have a 2005 Yukon XL with 212,000 miles. It’s a western car so no rust. Lifter started making noise a week or so ago, mechanic thinks the roller isn’t spinning this scratching the cam shaft. Instead of doing a top end job, I’m thinking about a engine with less miles. Around me I can’t find...
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