I've been running Valvoline for the moly content. Not burning oil yet, fingers crossed.
em troca do óleo eu sempre usei 5w30 da Castrol, ate agora com 227.000kms com o mesmo motor só misturei 2 oub3 vezes no deposito da gasolina. Sempre foi o meu carro e nunca me deixou na estrada
I'm seeing a lot of strife around these comment parts on this post; but I will tell you this: If previous owner used only conventional, you best use conventional for the sake of the rubber seals on the block. If you want to eventually run synthetic after your first rebuild, be my guest, although I would recommend going the sohn adapter at that point, just for extra insurance that what you're doing is good for the engine.
I don't know where you're located, but I've personally ran Castrol GTX oil in all my cars up until now; the only thing is, it's harder and harder to find conventional oil that is of thinner grades. Which isn't a bad thing, because the RX8 needs thicker oil than what's on the oil cap anyway! 5w-30 should be your minimum thickness, but really, it's recommended you go thicker, to like 10w-40 for year-round, and 20w-50 for track days or extremely hot climates. There's this shell oil for diesel that's rated at 15w-40 that I was going to potentially pick up and start using. Yeah your fuel economy is gonna drop a tad, but you're really doing it for the sake of your bearings.
P.S. get an oil catch can that vents to atmosphere if legal in your area. It will save you heaps of headaches down the road ????
I'd recommend using some Valvoline for your oil changes from now on, particularly their Restore & Protect line. It shut those noisy lifters up in 2 oil changes on my old '09 Avalon, and good lord did it flush out a bunch of gunk I didn't know was in there. I got a few MPG's more after it was said and done, too, and she ran happy.
Use good oil, always helps. Try valvoline restore and Protect. Quieted my engine down a little
Castrol magnetic 5w30 best utk jimat petrol
I switched to Castrol Edge 5w40, and what a difference! It loves it. We didn’t lose any fuel mileage, just as Pepe. but much much smoother.
Car idles smoother with Castrol it seems.
Castrol euro 540. Tried liquid moly and a few others but my car burns them for some reason.
I recently changed the oil in a diesel Passat (150,000 kms) which had Castrol Edge put in 12,000 kms ago during the last service by a VW dealer. I have changed many oils in VW diesels and found the Castrol oil that came out to be the dirtiest, sticky, staining and sort of gritty oil ever.
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