What's the best engine oil to use on my 2005 v6 4.3 Silverado ? It as a little under 150k miles. Or what filter would work good ?
It all depends on where you are located. East, West, South etc. You want to find an oil that can protect your engine at all types of temperatures. Since your Silverado has a lot of miles you also want an oil that lubricates better the crankshaft, pistons etc. and that would also would work as a sealant as your car seals at that age and millage start deteriorating. Therefore my recommendation is a 5W-30 oil or to be specific I like Valvoline (Full Synthetic High Mileage with MaxLife® Technology).
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