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I certainly can accept that some may have legitimate questions about any degree of effectiveness of Ceratec. I can even understand negative preconceptions of such a product.
Again, Porsche does not recommend use of any oil additive. So if a Porsche owner decides against the use of an oil additive or has a dim view of them because of that would clearly make sense to me.
What I don't understand is why someone would denigrate Ceratec or the use of the product, with having no firsthand experience with it.
It also makes zero sense to me that someone would claim that positive results observed with use of the product by a user of it would be "imagining" those positive results - again without having any firsthand experience with the use of it themselves.
One of the things about the Rennlist forums that I find most beneficial and the reason I became a paying member of Rennlist, is tied to one of its key core attributes - community members sharing information about their firsthand experiences that can possibly be helpful to others.
I've gained so much as a Porsche owner because of the spirit of sharing that exists here. So a periodic odd bump in the road is certainly ok.
Audi didn’t, neither did Audi nor Lamborghini nor Bentley.
Volkswagen AG designed the engine. All else is marketing.
We were looking at the ATLAS in 2023 (still a VR-6). Wonder why VW didn't put the EA839 in it (I think it is big enough in the engine bay). Our VR-6 powered 957 Cayenne was headed for 200K miles easily, although a bit sluggish and not as thermally efficient (read poor gas mileage compared to the 9Y0 Base). My 2023 Base is super smooth in my experience (18K miles now).
I have had 6 straight six engines. A 1965 Rambler American, a 1959 Chevy Biscayne (250 cu inch), a 1964 Ford Falcon (170 cu inch), a 1967 Dodge Dart Slant six (170 cu inch), a 1975 Datsun 280Z, and recently the close to inline Cayenne VR-6. The two smoothest were the 1959 Chevy 3 on a tree and the 1975 280Z 4 speed. But the M96.05 Porsche flat 6 3.6 liter is the smoothest running engine I ever had. The 997 crowd thinks Ceratec helps guard against bore scoring, but this is not the 997 group.
We were looking at the ATLAS in 2023 (still a VR-6). Wonder why VW didn't put the EA839 in it (I think it is big enough in the engine bay). Our VR-6 powered 957 Cayenne was headed for 200K miles easily, although a bit sluggish and not as thermally efficient (read poor gas mileage compared to the 9Y0 Base). My 2023 Base is super smooth in my experience (18K miles now).
I have had 6 straight six engines. A 1965 Rambler American, a 1959 Chevy Biscayne (250 cu inch), a 1964 Ford Falcon (170 cu inch), a 1967 Dodge Dart Slant six (170 cu inch), a 1975 Datsun 280Z, and recently the close to inline Cayenne VR-6. The two smoothest were the 1959 Chevy 3 on a tree and the 1975 280Z 4 speed. But the M96.05 Porsche flat 6 3.6 liter is the smoothest running engine I ever had. The 997 crowd thinks Ceratec helps guard against bore scoring, but this is not the 997 group.
l recently had a '24 Cayenne base as a loaner for the day. Engine was exceptionally smooth running as was the rest of the drivetrain. Clearly Porsche has made improvements over the early 9Y0 cars.
We were looking at the ATLAS in 2023 (still a VR-6). Wonder why VW didn't put the EA839 in it (I think it is big enough in the engine bay). Our VR-6 powered 957 Cayenne was headed for 200K miles easily, although a bit sluggish and not as thermally efficient (read poor gas mileage compared to the 9Y0 Base). My 2023 Base is super smooth in my experience (18K miles now).
I have had 6 straight six engines. A 1965 Rambler American, a 1959 Chevy Biscayne (250 cu inch), a 1964 Ford Falcon (170 cu inch), a 1967 Dodge Dart Slant six (170 cu inch), a 1975 Datsun 280Z, and recently the close to inline Cayenne VR-6. The two smoothest were the 1959 Chevy 3 on a tree and the 1975 280Z 4 speed. But the M96.05 Porsche flat 6 3.6 liter is the smoothest running engine I ever had. The 997 crowd thinks Ceratec helps guard against bore scoring, but this is not the 997 group.
EA839 with 90 degree vee is wider across cylinder banks than the VR6 in the east-west Atlas layout.