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The 2003 Dodge Ram 1500 5.7 utilizes SAE 5W-30 motor oil and needs 7 quarts, including what the new oil filter absorbs. Dodge suggests opting for synthetic oil as it provides a slightly better performance with its added components, enabling you to extend the time between oil changes. With conventional oil, it's advised to change it at 3,000 miles, while you can wait until 7,500 miles with synthetic oil, or even push it to approximately 10,000 miles if you're feeling daring. You have the flexibility to choose a different viscosity for this truck, as low as 0W-30, or in a warmer climate, even up to 10W-30, without any negative impact and potentially enhancing performance.
can I employ 10w30?
Your 2003 Dodge Ram 1500 5.7 truck needs 7 quarts of 5w30 engine oil.
The 2013 Dodge Ram 1500 with a 5.7-liter Hemi engine uses SAE 5W-20 oil.
It requires 7.5 quarts and it should be filled with full synthetic oil of 5w-20 weight.