vs
Engine oil OEM Mazda or RED LINE
I use Mazdas 5w-30 Ultra DPF. Mazda once said that this was the oil that they're using, so I guess what's used by mazda can't be too bad for the rex
Pros: used by Mazda
Vehicle:
Mazda
I’ve used Motul, LiquiMoly, Molygen, and Redline 5w40. Oil analysis was best with the Redline, but it’s pricey…although worth the better numbers IMO.
Pros: better numbers
Cons: pricey
Mileage: 178260 km
I use Redline 5w-40 because I noticed my engine burns a quart every 2000miles using other brands or thinner grades. With RedLine there is barely any consumption.
Pros: low oil consumption
Cons: burns oil otherwise
Vehicle:
MINI Countryman
Mileage: 2000 km
I run Red Line oils in my H-Ds and Indian.
Get the Redline 5W-30…you won’t be disappointed. I was floored by how much better my Z performed with this oil. I’ll never use anything else.
Pros: better performance
Cons: none
Vehicle:
Nissan
I have the 6.4 liter Hemi in my Charger, and I switched from Ultra Platinum to Redline. My car uses 0w 40, but nonetheless, I have not seen or felt any difference between the 2. If you are worried about switching, I can assure you that Redline is a very high quality oil.
Pros: high quality oil
Cons: no felt difference
Vehicle:
Dodge Charger
I am running Redline 0w-30 during the warmer months. It was the most reasonably priced group 5 ester base (with great reviews) that I could find. Oil temps during my last autoX event were down 15 degrees F, compared to a similar day with the factory recommended 0w-20.
Pros: reasonably priced, great reviews
Cons: none
My 07 Passat has 236k. I change oil every 5k, cam follower every 70-100k (20k is serious overkill), lots of coil pack changes (like 4 or 5), and that is about it.
Pros: regular oil changes
Vehicle:
Volkswagen Passat
Mileage: 379811 km
For the record, this is NOT the exact replacement to Mazda 0W-20 GF-5 with Moly - Synthetic Engine Oil.
While this has high molybdenum, it's still a different formula from Mazda's own proprietary blend.
Pros: high molybdenum
Cons: different formula
I've tested both those oils, and was not impressed with the results. Both oils still needed changing at 5k.
Cons: needed changing at 5k
Mileage: 5000 km
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