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While GF-6 , SP and D1 / Gen 3 rated oils are relatively new , what does the future hold for next generation oils with respect to improvements , refinements , etc. ?

I’ve read where people look to control intake valve deposits in GDI engines by using 93 octane top tier gas … Unless your GDI engine calls for 93 octane gas - how is this supposed to help?

During a recent long distance move I noticed after the movers unloaded my Rhino Vehicle Ramps that one of the square rubber anti - skid “pucks” on the bottom of one ramp was now missing … Does anyone know who sells replacement anti - skid rubber pucks for the bottom of Rhino Ramos , or a...

For those who use TW Seal ‘N Shine Ceramic Spray - do you apply one or two coats (after a 24 hr. wait between coats) ?

What are your favorite headlight restoration kits available locally from WM , Auto Zone , Advance Auto , etc. ? I tried using wet 1000 grit sandpaper then wet 2000 grip sandpaper - while it removed a lot of "UV crud" and smoothed out the headlight surface , they still are not clear and remain...

While the M1 5W30 EP potentially extends a drain interval out to 20K mile - do you give up any wear protection properties as compared to the "vanilla" M1 5W30 10K mile rated oil ? ... I suppose the same for the Castrol 5W30 and Quaker State 5W30 extended 20K drain interval oils - are you giving...

I use only Top Tier regular 87 octane gasoline (typically Shell , Chevron , 76) ... What may I find with respect Top Tier additives vs. their premium high-octane gasolines ? *The Top Tier high octane gasolines have fancy marketing terms (Shell V- Power Nitrogen+ , etc. ) while the regular and...

GDI engine owners : Let’s hear what your oil choice is and especially what your OCI is ? I’m particularly interested in anybody with a GDI engine who exceeds 5K miles for an OCI ?

Say you live in the PNW and your air temps have a limited winter range (20 degrees F. to 45 degrees F ) for suburban driving conditions. For a Kia Seltos 2.0L non - turbo MPI engine - do you just stay with a D1/Gen 3 5W30 or drop down to the same in a 5W20 (or even a 0W20 ?) for 6 months / 4K...

While M1 5W30 is a fine oil , I like the fact that Valvoline Advanced 5W30 has a large amount of moly (approx. 2.5X to 3X more than M1 ) but then I started thinking : “Just how much moly is enough over a 4K mile OCI” ? Is it possible that although M1 shows a lower amount of moly in a VOA versus...

Any Royal Putple Max Clean Users ? NAPA has a month long sale on the RP Max Clean for $11 so I thought I would buy some for preventative fuel system maintenance . I formally dabbled with MMO and TCW-3 added to the fuel and hope to do a reset cleaning by using the RP Max Clean .

The ‘20 Corolla 1.8L non-turbo owners manual states to use 0W 20 oil with no other oil weight options listed . Are there any special engine requirements (VVT , etc.) for the ‘20 Corolla 1.8L that would prevent a 5W30 synthetic oil being used ?

I usually run 5W30 non - extended performance 5W30 synthetic oils (Valvoline Advanced , Quaker State Full Synthetic, etc. ) in my '17 Sonata GDI 2.4L non - turbo engine along with a Fram Ultra oil filter. My OCI's accordingly have been 4K ~ 5K miles / 6 months max . In the same vehicle I thought...

the 2017 Hyundai Sonata spark plugs are original stock when new - despite age , the Hyundai just turned 50K miles and I only use top tier fuel , gets a bottle of Techron twice per year and I keep the PCV valve clean . Driving is mixed , mostly large city suburban driving and some highway driving...

I find Hyundai / Kia engine air filters are robust and seal extremely well as compared to STP and other after market engine air filters I have tried . I don't pay dealer prices but buy from a trusted on-line Hyundai / Kia provider. Yes , if I could find an after market air filter built as well...

For the first coolant drain & fill on a newer car my mechanic advised to forget the 5 year / 100K mile coolant claims and instead just drain & fill every 2 to 3 years max and you will most likely never see a coolant related failure ... Seems easy enough to do - your thoughts and experiences on...

2017 Hyundai Sonata came from the factory "blue" color coolant ... OAT , HOAT , etc. I'm not sure about that but the Zerex Asian for Hyundai is blue in color and should work ... Not taking a chance with Prestone all makes & all models stuff - your thoughts on the Zerex Asian for Hyundai coolant ?

Pennzoil Platinum 5W30 has a flash point of 207 degrees C, while in comparison Mobil 1 5W30 has a higher flash point of 242 degrees C. That is a bit of a difference should you have an overheating problem in the summer - is this due to the gas to liquid process Pennzoil uses as compared to Mobil 1 ?

Being more or less the SP / GF6 / D1/Gen 3 rated flagship 0W20 , 5W30 synthetic oils of Mobil for North America , it is believed according to newer data that esters have been reduced in the M1 EP oils . If this is the case , how has M1 changed the EP formulation and still continue the cleaning /...

Using modern synthetic oils rated for your vehicle , using a good oil filter , regularly checking PCV valve for proper operation and OCI's of less than 5K miles or 12 months max - this is all I can think of to reduce the likelihood of sludge & varnish ... Your thoughts and experiences ?