Nobody seems to get the fact that the ONLY difference between 87 octane fuel and 93 octane is that 93 octane resists pre-ignition ("knock") better than lower octane rated fuels, i.e. it's harder to light. At any rate, if you need premium and use regular, your engine will decrease the ignition timing to reduce or eliminate the knock so the engine doesn't hurt itself. If you can use regular but insist on premium, enjoy pissing your money away.
Fuel Grade and Benefits - Shell
- Thread starter jkumbalek
- Start date
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Start one! My 2020 LT 2.0T came with Hankooks. They were HORIBBLE in wet and snow. I put on Michelin Cross Climate2's - what a difference! Oil? Mobil 1 5W-30 every 4K miles (for me, that's a year)Okay, now that we've got the fuel problem solved, let's talk about the BEST oil and tires for out beasties!Sorry, I've been in a lot of motorcycle forums.
Cal BM1
New member
Costco is a top tier as is shell .both real good.I like to the pump say this is "Top Tier" gasoline.It's supposed to keep your engine cleaner. I always try to fill my tank a Costco for economic reasons and I see their pump have the Top Tier label on them.
About - TOP TIER™
TOP TIER™ is recognized as a high-quality fuel performance specification developed by some of the leading automotive and heavy-duty equipment manufacturers.www.toptiergas.com
