Oil is Oil. I change mine when the indicator says too with the cheapest oil I can find. I just saw the inside of 454 that had over 200k miles on it and it looked great, very little wear. Most engine deaths occur from overheating or timing chain failure. Change your oil at recommended intervals and you are not going to wear any parts out with regular old .99 oil. Don't fall into the trap and spend too much money on oil, unless maybe you are racing or supercharged. Just because you spent alot on your truck you don't have to spend alot on oil. Just my 2 cents.
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