- Vortec 5300 5.3L V8 Sponsor
by ASTE25 » Jun 19 2012, 10:21pm
by lzn197 » Jun 29 2012, 3:40am
fishersfort wrote:I've heard these platinum plugs don't give you the warning (rough running) older plugs give when they're about to go. Therefore we're supposed to replace them at 100,000 miles, even though they appear to working great.
Anyone else hear this same story? Can't recall where I heard it.
It is currently May 19 2013, 3:52pm
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