I have done the math, it costs no extra to use Amsoil, I run the SS in my Cruze and will be sending an oil sample this time to verify 15K intervals is good. Whatever you do, leave out the Lucas. Do I like it in my old '95 GMC with a 350 that leaks some oil? Sure do, but not in my Cruze/.My daily is my 200k mile ford ranger, so the Cruze get very little mileage. that being said the Cruze sees about 2k mikes a year, I wait for one of those $24.99 mobile oil sales to go, I pay extra for full synthetic, because of the time in between changes, and I use a little lucas oil stabilizer.
I try to only use mobile. Or Castro full synthetics in my Cruze and my wife's 2017 Mazda (the truck gets high mileage conventional from the cheapest brand at the time)
overkill but I've owned all old cars my life so this is now my routine and I trust I lol, but I've never tried amsoil and had never heard a single thing bad about it so I wanna give them a go
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I usually put a out a third quart of the lucas, maybe I won't try amsoil in my 2000 mile/year cruze lolI have done the math, it costs no extra to use Amsoil, I run the SS in my Cruze and will be sending an oil sample this time to verify 15K intervals is good. Whatever you do, leave out the Lucas. Do I like it in my old '95 GMC with a 350 that leaks some oil? Sure do, but not in my Cruze/.
Hmm alright, I won't be wasting money on that anymoreThe lucas is great in semi's or a high mileage leaky 350, it is not good for a new engine and tighter tolerances. It froths up when it gets hot and that is not good.
There is just no reason to use it at all. Amsoil has synthetic that is made to just follow the OLM. Like stated above Dexos1 is what is important.
AMSOil Signature Series isn't dexos certified. It does exceed all the dexos requirements - AMSOil simply didn't want to spend the money to get it certified.There's little question that Amsoil Signature Series is the best oil you can buy on the retail market.
But it's likely overkill for average users.
I used Mobil 1 for two decades. I've gone to Total for dexos2 applications.
But pretty much any dexos1 registered oil will do you just fine if you respect the oil change monitor.