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A somewhat high powered motor built by GM that breaks exhaust manifold bolts and drops lifters making it sound like a retarded clock but somehow by the power of god lasts up to 300,000 miles with good care.
“Dude my truck has a 5.3 LS in it”

How bad does it tick?”

“Only on startup but it has over 300 thousand miles
5.3 LS by the.bitchin.rado August 16, 2025