first oil change - Dodge Challenger Forum: Challenger & SRT8 Forums
General Maintenance Discussion This sub-forum is for the discussion of general maintenance of your Challenger such as oil changes, coolant maintenance, brake pad replacement, differential fluid changes, alignments, air filters and everything else to maintain your ride.

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post #1 of 16 (permalink) Old 06-10-2019, 08:48 AM Thread Starter
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first oil change

I have a new SXT with only 500 miles. Thinking about changing oil now and using synthetic. I saw somewhere way back where it was recommended not to use synthetic in oil change this early...saying engine would never break in properly. Don't think synthetic was put in at factory. Manual states either one is fine. I know the V8 manual says to use synthetic. Am I being stupid? What is your opinion on this.
Thanks!!
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post #2 of 16 (permalink) Old 06-10-2019, 09:06 AM
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I would change now, and use synthetic.
The worst that can happen is that you get rid of break-in particles early - which isn't a bad thing.

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post #3 of 16 (permalink) Old 06-10-2019, 09:10 AM
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Originally Posted by fasteddie211 View Post
I have a new SXT with only 500 miles. Thinking about changing oil now and using synthetic. I saw somewhere way back where it was recommended not to use synthetic in oil change this early...saying engine would never break in properly. Don't think synthetic was put in at factory. Manual states either one is fine. I know the V8 manual says to use synthetic. Am I being stupid? What is your opinion on this.
Thanks!!

Unless forbidden by the owners manual an early oil/filter service is advisable. The new engine sheds lots of debris. This is normal. There is a filter but if there is a filter bypass and there often is under some conditions unfiltered oil is routed to the engine. The new engine also heavily contaminates the oil with blow by. This is normal. But contaminated oil is less able to do its job of protecting the engine parts from metal to metal contact. With debris in the oil it is the same with contamination. The only way to deal with this is to (hot) drain the oil and replace the filter with a new one.


My advice is to use the oil recommended by the factory for the engine. If it is a mineral oil then use it. Change it at least on the factory's schedule. (I put in total around 300K on various engines all running mineral oils -- what the factory recommended -- and not one suffered any engine problem at all. I changed or had changed the oil on the factory schedule.)

If the factory also sanctions a synthetic oil for use in your car's engine it is up to you if you want to use it. I do not know if some kind of "flush" is required when switching from mineral oil to synthetic oil. If the factory sanctions both mineral and synthetic oils for the engine if this is required it should be covered in the owners manual.


Added: Regarding break in... If there was any issue with this the factory would caution against an early oil change or switching to synthetic oil at a too low a mileage.


As long as there is no caution against when to drain the factory fill oil or when to switch to a synthetic oil if the factory sanctions the use of a synthetic oil you can change oils anytime you want.


The engine will continue to to break in just fine. A large majority of the automakers ship new engines filled with synthetic oil and break in is not a problem.

Last edited by Rockster; 06-10-2019 at 09:14 AM.
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post #4 of 16 (permalink) Old 06-10-2019, 01:32 PM
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The worst that can happen is that you get rid of break-in particles early - which isn't a bad thing.
You mean swarf (i.e. metal flashing)...yarr!?

https://www.mobil1.co.uk/learning-ce...ynthetics.aspx


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post #5 of 16 (permalink) Old 06-10-2019, 01:48 PM
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That, plus quite possibly some sand from the casting process, etc.

I once took an oil sample at 500 miles on a GM pickup, and the results were worse than those from my severely abused tractor...which had been fed used oil from other vehicles for years.
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post #6 of 16 (permalink) Old 06-10-2019, 02:01 PM
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Early changes are mostly for piece of mind, but they don't hurt anything other than the pocket book.

You can switch to a synthetic now, without any break in issues. SRT spec engines come from the factory with synthetic, and no break in issues with them.

It's just a higher spec/grade of oil, that your engine may or may not benefit from using. Won't hurt a thing.

Hope this helps.


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post #7 of 16 (permalink) Old 06-10-2019, 02:32 PM
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Just changed mine at like 1000 miles.
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post #8 of 16 (permalink) Old 06-10-2019, 05:33 PM
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I still run the Dino oil in my 5.7 R/T...a little over 20,000 miles. So how many 5.7 owners here still run that oil or have many switched to synthetic?


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post #9 of 16 (permalink) Old 06-10-2019, 05:59 PM
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I had around 10k miles on my 5.7 when I switched to Castrol Syntec and the SRT filers.

Car got flood totalled at 42k, so I cant say much about any long term benefits, but I did like that oil.
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post #10 of 16 (permalink) Old 06-10-2019, 06:08 PM
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Yeah I have had people tell me just stick to the dino oil there is nothing wrong with running it. Others tell me Synthetic is better. I do run a Pennzoil synthetic blend in my old Durango since it has much higher mileage.
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