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Re: Question about 5.3 liter LS4 V8
As long as ya maintain oil change intervals, they've not been known to give any trouble.
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1987 Monte Carlo SS Aerocoupe. 150,000 miles on L69 5.0L V8
-stock
1996 Grand Prix GTP Special Edition. 150,000 miles on LQ1 3.4L 24-valve DOHC V6
-not exactly stock
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