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Redline 5w30 is hemi honey for sure, but if you have warrany concerns PUP or PP 5w20 is the most used oil on the board, m1 is second but doesn't have the hemi spec, Pennzoil does. Read my oil filter thread in my sig as well. You need to make a decision, do I use what oil I want for my equipment, or do I use what the manu tells me too, they aren't the same oil. Either strategy is just fine, it is a personal choice, do some research.
zeroNo issues with the MDS and the 5W30 instead of 5W20?
We have the 7 quart package of Red Line listed here
https://gotexhaust.com/i-23696684-r...package-for-ram-150025003500-gas-engines.html
Just pick what weight and no promo code needed for the discount, it will automatically be applied!
If your running a full synthetic, put at least 7500 miles(don't exceed 12 months). Working an engine while towing/hauling and driving distances is better for oil verses short trips where the oil does stay at operating temps.What is your recommended interval for changes? I tow a 17' boat around 1500 miles a year, nearly all other trips are 5-20 miles one way.