I was curious as I own a Porsche 911 which are prone to bore scoring, would something like ceratec be able to coat the rings to potentially reduce bore scoring? Seems to be a lot of good reviews but not sure how legit they are.


Thanks

What year?
How many miles?

Possibly. Fallout of fine additives is always a concern though, and I noticed this when I tried the stuff in our vw 2.5 some years back. Of course, some falling out if more is dispersed may not be a concern...

Their MoS2 may also be a consideration, ditto for the lubriguard bio tech, which has soluble moly.

I have a VOA of BioTech on the board. If you're really into experimenting... I would start with the Ceratec for a full OCI, then dope your oil changes with BioTech in between. That way you get the ceramic stuff on, then keep the metal parts apart with the moly, I've seen reports of MoS2 falling out of suspension, that's why I'd use the BioTech.

Has the Manf. of this product published laboratory or fleet tests that definitively show it can reduce bore wear or any other wear?

Liqui Moly has a wonderful marketing department.. but I'd stick with a proven oil and get regular UOAs to monitor if you are actually damaging your engine.

A few years back Trav had posted pics about MoS2 falling out of suspension in a vehicle that wasn't driven daily, and Ceratec falling out of suspension in a compressor pump. I also heard of other cases of Ceratec falling out of suspension and deposited on the bottoms of oil pans. As a result I passed.

I know that Molakule has posted that Hy-per Lube ZRA can be effective at reducing engine wear in some situations, but I don't know enough to judge whether this is one of those situations.

I am just wondering since ceratec is supposed to be providing micro lubrication when it is dry, falling out of suspension is considered normal ?

I could see that occurring since that which was not adhering to metal has no where else to go.

Maybe Trav will see this and elaborate. I would prefer "additives" stay in suspension, especially in vehicles that aren't driven daily. To me "normal" would be something that doesn't settle into the bottom of the oil pan if the vehicle sits more than a few days.

It's supposed to attach itself to metallic surfaces so that which hasn't will just end up floating around in the oil. The packaging for Ceratec states to shake well (because it settles out), so Trav was rather observing the obvious and opining something was amiss.

Use a proper oil . Why does the bore score? From the car sitting? I remember in the 1970s ever where there were Porsches.

With a 911, I'd just go with the Lubrizol-formulated https://lnengineering.com/joe-gibbs...opean-sports-car-oil-12-quarts-1903.html which has been developed specifically for that engine.

Elf nf900 5w40 in a 911....elf is loaded with Moly....

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4552200/Elf_evolution_nf900_-_aircoole