Engine oil Shell or OEM Mazda
Eu nu am folosit uleiul ala, dar am pus intr-un 2.0 TDI DFGA, Shell Helix Ultra Professional AV-L 0W30 si motorul este foarte silentios.
I’ve used three oils on my bikes since the mid-2000s: Motol 300v, AMS oil, and T6.
Out of the three, I’d choose T6 for normal street riding with the occasional adrenaline run
I switched to Rotella about 15 years ago after it worked good in an ej22 that was averaging a quart every 300 miles.
I had an 03 Camry from new till 2019. Had 335,000 miles when I sold it. That car got Rotella T6 5w40 since new. I still wonder how long that car would have lasted if I kept it.
Fixed many ls engines with excessive oil burning by switching them to t4 rotella 15w-40. The rotella t4 flavor of it is a fantastic oil. If you're engine has good oil pressure and isnt burning oil then theres probably no need to for it but its not gonna hurt a thing. Gen 3 ls engines arent some super tight tolerance engine, i probably wouldn't put 15-40 in a motor that calls for 0-20 but your 5.3 will not care at all.
He may be using it for the 15w40 weight for noise or lower oil pressure. I ran Rotella in my 94 F150 with the 5.8l gas engine because I bought it with a slight knock. After a while I dropped down to the 10w30 Rotella and ran it for year, lifted mud truck driven daily and in the woods on weekends. It will be fine, just get some clarification on why. I currently run Rotella 10w30 in my 4.2l Envoy.
Tried other brands pero Shell pa rin talaga
I only run 5-40 Full Synthetic on my Armada and all my vehicles in the past. I've never had an issue and only changed the oil once a year or whenever 7500 miles hit. As for what brand, Shell Rotella T6 5-40.
My car runs on 5W-30 and 5W-40, fully synthetic. Been running on Synthium and Shell Helix. Honestly, feels the same
It seems to do a fine job lubricating, but, everything I ever put it in started consuming oil. They all stopped once I switched to other oils.
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