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So I went today to get an oil change and the guy there stopped me and said that I shouldn't cause they have some sort of zinc additive that has to stay in for a longer period of time. I have about 3200 on the truck. He stated to wait till 6000 if I take it out earlier it could hurt the engine. This is all new to me can anyone elaborate
more on this. Is this guy crazy? Or is it true.?
 

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The need for zinc/phosphorus in the engines is not as important as it used to be since machining tolerances are much higher than they used to be.. but honestly.. I usually keep the break-in dino oil in till its first oil change and switch to synthetic..

there is high levels of zddp (Zinc dithiophosphate) won't hurt anything and don't really see the point to doing a short cycle oil change just to get rid of it.. the truck will tell ya when it is due.. :) but wait till 6k.. keep that money in your pocket..

I plan on changing my oil a BIT early at 10,000km or so instead of the full cycle of 16,000km.. switch to mobil1 5w20 synthetic...
 

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Since there is a specific "break-in" procedure suggested by Chrysler/Dodge/Fiat, it implies to me that parts within the engine are "settling in". This procedure may result in small metal particles until parts fall into their correct tolerances. I don't want tiny metal particles floating around in my new engine. I know that is what oil filters are for, but lets face it. No one knows anyone who lost an engine due to the failure of any oil (either dino or synthetic) but many know someone who has lost an engine due to oil filter failure (our "friends" the Chinese are not making the oil but they are making the filters). I changed mine at 3,000 mi for the first change. Normally I do it at 1,000 mi.. High zinc is used in Brad Penn and other "hot rod" oils for older solid lifter engines that need it. There are no shortage of local experts that are more than willing to give you advise on what you are doing. Don't listen to them. More often is better than not enough. I remember those "experts" who told me that excessive masturbation would make me go blind. Here I am years later still having partial sight in my one good eye.
 

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I did my first oil change right at 10,000 miles. The stock oil was very clean and thin so I will follow this practice moving forward.
 
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