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Originally Posted by sam48is
I searched but found no answer. Is it safe to add the various oil and fuel additives/treatments to my 4.8is - you know, the off the shelf variety at the hardware store... I'm tempted to add the fuel system cleaner to clean the spark plugs...
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I'm doing an oil change in an hour!!
I will be adding....as always Lucas Oil Treatment...you can use regular as it is ok to mix with synthetics..but now they have a synthetic treatment....and then I always do a lucas fuel treatment.....
Great stuff....
Rich
