ah that makes sense. oem spec it is!Looks like Chevy did update their oil filter spec in 2007 to a PF48. If you have a 2005 or 2006 model then it takes the PF44 or 46. The M1 for those is M1-107. The filters are the same size physically, but have a different thread mounting pitch, so they are not interchangeable apparently.
Stick with OEM spark plugs and wires. I've seen enough issues with different plugs and wires that I wouldn't mess with what works just fine.
Not sure if a shop can wrap the headers now that they are installed. Not worth it to have them removed just to wrap them. For the money you would throw at it for that, I would probably just replace the starter for peace of mind and I believe there is a bolt on heat shield available to help protect the starter.
and yesss your vette looks sick! gtr carbide headlights, morimoto fogs, and vettelights side markers? really torn on headlights and fogs cause i like how stock looks and at the very least ill get some led bulbs but the morimoto and gtr carbide offerings look really good too...
that ESP version is the factory fill for corvettes since 2019 and retroactively suggested by mobil/gm for a ton of the older ones. figured the "euro" blends would meet better specs. will consider these too, though they seem 80-100% more expensive than normal synthetic 5w30The "regular" Mobil 1 0W-40 FS. Meets Porsche A40.
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There is an ESP version with green label, and that one is mostly for European diesels. Meets Porsche C40 (diesel emissions friendly)
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Click here for list of Porsche A40 approved oils. Sometimes you can look at the back of the bottle and see which standards/certifications an oil claims to meet. Just remember: "Meet & Exceed" is not the same as "Approved". If in doubt - ask BITOG, or check oil manufacturers website. Most of the time - oils rated for "European" vehicles end up meeting much more stringent specs/certs than basic API SP 5W30.
For myself - Mobil 1 0W40 or Castrol Edge 0W40 is what I use in everything: from my liquid-cooled 4.3hp 49cc scooter, to a 375hp 4.6L Huyndai Genesis, and 7 other vehicles in between (V6, V6-hybrid, I6, I4, few single cylinder engines). Truly a universal oil.
any recommendations as far as used oil analysis these days? amsoil has some kits that seem a bit cheaper than blackstone but idk if they want you to pay shipping both ways on em.
also, when we say "full synthetic" is there much point in bothering with group 3 vs 4 vs 5? do we even know what base stocks the companies use anymore? i'm guessing it doesnt really matter for this...
lastly, any additives or flushes or whatever that i should run through the system? seal conditioner, gumout, that sorta thing? or is that usually just marketing/placebo as well?