Micah
Senior Member
- Joined
- Oct 19, 2017
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- Toms River, NJ
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- '17 Si 4DR FlashPro +9psi (3k-14k) Ktuner TSP Stage 1(14k-30k+) '17 Traverse LT AWD
In before the Amsoil zealots start posting...
Amsoil is arguably good but definitely overpriced and suspiciously lacking certification seals on their bottles.
I have used Eneos, Royal Purple, Catrol Syntec, Motul, and Penzoil, in the past...but Mobil 1 is the oil I have always gone back to. Generally use a 3-5k interval based on how dark the oil on the dipstick looks. Blackstone labs pil analysis costs a bit more than changing your own oil but will give you a better judgement than "looks dirty/smells funny". Walmart and Advanced auto often have deals on it. For now I am 3000 miles deep on the factory fill oil and still driving.
IMO the point of using a synthetic is to avoid the breakdown characteristics of non-synthetic. Going for extended intervals seems to negate the benefits. I know they sell high mileage variants now but I have not tried them yet.
Amsoil is arguably good but definitely overpriced and suspiciously lacking certification seals on their bottles.
I have used Eneos, Royal Purple, Catrol Syntec, Motul, and Penzoil, in the past...but Mobil 1 is the oil I have always gone back to. Generally use a 3-5k interval based on how dark the oil on the dipstick looks. Blackstone labs pil analysis costs a bit more than changing your own oil but will give you a better judgement than "looks dirty/smells funny". Walmart and Advanced auto often have deals on it. For now I am 3000 miles deep on the factory fill oil and still driving.
IMO the point of using a synthetic is to avoid the breakdown characteristics of non-synthetic. Going for extended intervals seems to negate the benefits. I know they sell high mileage variants now but I have not tried them yet.
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