Quote:
Originally Posted by Brian 162
5.3 iron block in my last 06 Tahoe. No afm, only had to replace spark plugs and a couple of coils over 11 years of ownership. Vehicle had over 350,00- km’s when I traded it in.
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This is what came to mind when I saw this thread title. Hundreds of thousands of miles with no apparent wear. Really pretty remarkable. Cummins and 7.3 Power Stroke diesels as well but diesels are very maintenance dependent. Those Chevy Vortex and LS motors don't seem to need much, just reasonably clean oil and a functional cooling system.