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Now the question to be asked is if you use TT 89, 91, or 93 (shell) or 94 (chevron), do they add even more detergents beyond the base line amount in TT 87 offerings?

So for those with experience with this stuff, the following: 1) From Day-1 (car is new) and you did it every 5,000 miles (8,000 km), can you avoid having to do a walnut shell blast? 2) Would going through the MAP sensor hole (behind the throttle body) be even better? In the past, I've used one...

The Hyundai manual recommends their Hyundai Fuel System Cleaner (which we know is Chevron Techron rebranded). I suppose this recommendation assumes the lowest common denominator that not so "top tier" gas is being used?

My Hyundai Kona N-Line with a 1.6T Smartstream GTDI only requires 87 to run optimally. Indeed a survey of other Kona 1.6T owners seems to indicate that going 89 or more does not result in added "performance" and equal or even worse fuel consumption. If I just stuck with 87, am I getting...

What is TCW3 stand for? Thx.

You nailed it. I had a K&N. At the time, I remember deciding to keep it in because the iron numbers remained low.

It seems that my previous car was harder on PUP than yours. Here's my one and only UOA on my 2013 Ford Focus ST (2.0T GDI), 11,753 km OCI (13,093 km, odometer). TBN remaining was 2.4.

I don't have a reference for this. TBN used to be reported for virgin PUP in the past I believe and was lower than virgin TBN for previous iterations of M1 EP at the time. Don't know about how they are now.

Yes def a UOA. My previous car I had for 10 years (Ford Focus ST 2013) was a 2.0T GDI. But had no fuel dilution issues. OCI for that car was 13,000 km.

Used to be PUP for quite a while (years ago)! But as others have pointed out, M1 looks to have reformulated and now carries the more stringent certifications. I'll probably just go ahead and use up my two jugs (one just filled, one remaining) of PUP at the 8,000 km OCI recommendation and...

You're correct. The Canadian service manual looks to be a "severe requirement" with 8,000 km OCI (compared to the US manual, 13,000 km). Severe, even though I live in a pretty moderate climate here in Metro Vancouver. Regardless, I'll be doing a UOA at 10,200 km on the odometer (8,000 OCI) to...

I see what you mean in the PDF. Yeah the dexos certification is missing. But I think the PDF document is old/obsolete. It's dated 2020 in the bottom footnotes.

I'm in the Canadian website.

Yeah, indeed. I grabbed those two jugs as they were pretty steeply discounted back in December. $34/jug CAD in Canadian Tire I think is pretty cheap for a full synthetic here in Canada. This compared to $50-ish for M1 EP at the time. My driving pattern is typical city and usually for 15-20 mins...

https://www.pennzoil.com/en_ca/products/full-synthetic-motor-oils/pennzoil-ultra-platinum.html#iframe=L2VuX2NhL3Byb2R1Y3RzL2Z1bGwtc3ludGhldGljLW1vdG9yLW9pbHMvcGVubnpvaWwtdWx0cmEtcGxhdGludW0vX2pjcl9jb250ZW50L3Bhci9pZnJhbWVkYXBwXzY4MTQwODIzNi5zdGF0aWMvaW5kZXguaHRtbD9sYW5nPWVuLUNB

So I recently purchased a couple jugs of PUP and was clinging onto my years impressions of the pure-plus gas-to-liquids tech. Then after the fact, I became aware of the dexos certifications and how they apply to turbo direct-injected engines. And that the dexos1:gen3 certification is currently...

Did the first (early) oil change at 2100 km. So the process was not too difficult at all. I did find a decent smear of metal shards/filings at the bottom of the oil cartridge container (not shown). So for future reference I took a picture of where the cartridge screws on underneath the car. See...

Slick 50 was old tech. Dura-Lube is where it was at. The infomercial of the engine running dry with the oil drained and water sprayed with the head off was what sold it to me at the time.

That seems to be the concensus re the z-line 4 season capabilities; in that it's a strictly 3 season tire. The siping is more summer weighted it seems. I suppose that's what sets apart these from the Michelin PSAS4, it's now recognized that the PSAS4 has very competent winter capabilities for an...

No kidding. They even make ultra high performance tires. Intriguing, I wonder how these stack up against the Michelin Pilot Sport All Season 4 that I have now. Was considering the z-line. But in the end there were not enough reviews of these tires. And once you've bought them, if you don't like...