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-   -   Question on oil 5-20 or 5-30 (

semperfi 02-27-2012 11:27 AM

Question on oil 5-20 or 5-30
I bought 7qts of mobile 1 5-30 for my first oil change, then i saw it takes 5-20.
will this be Ok for one time?

Glenn B 02-27-2012 11:41 AM

I believe you need to use the exact weight oil Dodge specifies on these engines.
I read that this was because of the MDS system possibly not working exactly right with lighter/ heavier oils.
IIRC, there is even a Chrysler TSB on the issue.

TNC 02-27-2012 11:55 AM

Lots of opinions on this, but there's probably some substance to this issue of MDS operation with oil viscosity. I'd stick with the recommended weight. That 5W-30 is a common weight for most other vehicles. Do you have another vehicle that could use it?

semperfi 02-27-2012 12:33 PM

Thanks guys
back to Walmart to swap

huntergreen 02-27-2012 01:53 PM

if it matters to you i have been using penzoil ultra 5-20 and do not have the hemi tick. others have posted the same with valvoline syn 5-20.

Kibagami 02-27-2012 04:49 PM

I put 5w20 Mobil1 Synthetic in my 300C 5.7 Hemi for the past 4 years and never got any problem with it. I was also using Mobil1 oil filter after I heard that the Fram oil filter are crap.

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