[dpevans]

If you can find it buy it, seems GMs answer to fix the L87 is to use our SuperCar 0w40 and now I can't find it anywhere. backordered for at least two weeks or more. I asked the dealer what we are supposed to use and they just threw there hands up with no answer.

[Typicalcarguy]

Thanks for the heads up. Looks like Amazon still sells the 6 pack, but the price ballooned from high 50s to about 76 bucks.

[wang970305]

rockauto is your friend

[truth411]

Just get Penzoil Ultra Platinum 0w-40. It's API-SP certified and probably the best oil next to Amsoil anyways.

[DamonZ28]

https://www.camaro6.com/forums/showthread.php?t=633588

[arpad_m]

Originally Posted by truth411

Just get Penzoil Ultra Platinum 0w-40. It's API-SP certified and probably the best oil next to Amsoil anyways.

Amsoil and Pennzoil are still the best, neck to neck in every test. They're more expensive though, so if someone is after cheap Mobil1 and they're afraid to go outside the box because of their powertrain warranty, they probably won't consider them an option.

[ShadowLT1]

Originally Posted by arpad_m

Amsoil and Pennzoil are still the best, neck to neck in every test. They're more expensive though, so if someone is after cheap Mobil1 and they're afraid to go outside the box because of their powertrain warranty, they probably won't consider them an option.

Amsoil is technically the better oil, but very slightly, and for that slight advantage comes a much more expensive price tag. Is that little advantage worth it? That's up to the buyer and owner of the vehicle. I've been a Pennzoil Ultra Plat guy for a long time and still use it. However, I still change my oil every 5k miles or every 3 months whatever comes first. Not a track guy, just a daily driver who obsesses over maintenance!

[havelegs]

Originally Posted by truth411

Just get Penzoil Ultra Platinum 0w-40. It's API-SP certified and probably the best oil next to Amsoil anyways.

not dexos approved

[N Camarolina]

Penzoil and Amsoil might be high quality oils, but the additive package may not be compatible with design requirements for the CATs and/or the engine. Do those of you using these oils know if the ad pack is same profile as Dexos 2 ?

[arpad_m]

Originally Posted by ShadowLT1

Amsoil is technically the better oil, but very slightly, and for that slight advantage comes a much more expensive price tag. Is that little advantage worth it? That's up to the buyer and owner of the vehicle. I've been a Pennzoil Ultra Plat guy for a long time and still use it. However, I still change my oil every 5k miles or every 3 months whatever comes first. Not a track guy, just a daily driver who obsesses over maintenance!

I pay $11-12 per quart for the Amsoil Signature I use, so it isn't much more expensive than the Mobil1 Supercar 0W-40. Honestly, I never understood why people would want to save $1-2 per quart of oil looking for Walmart or Costco deals, or buy an oil filter that's $2-3 cheaper... this is the lubricant that keeps your $10-15K engine alive, the filter is what keeps particles out of combustion chambers, they aren't where one should cheap out IMO.

Originally Posted by N Camarolina

Penzoil and Amsoil might be high quality oils, but the additive package may not be compatible with design requirements for the CATs and/or the engine. Do those of you using these oils know if the ad pack is same profile as Dexos 2 ?

I'm not sure if it's the same profile, but I probably should (and will) just shut up in this Supercar 0W-40 thread with my built LT1. I'm not recommending that anyone switch to Amsoil, I'm just saying it's the best oil and my engine is happy with it.

[Msquared]

The 0w40 x3 and its successor, x4, are both better oils than Supercar for high-temp/high-shear and resisting long-term viscosity breakdown. They are also Dexos R approved. Regardless of the availability of Supercar, x4 is a no-brainer choice for Camaro owners, especially if you have any plans to track or even just aggressively drive your car.

[dpevans]

Originally Posted by arpad_m

Amsoil and Pennzoil are still the best, neck to neck in every test. They're more expensive though, so if someone is after cheap Mobil1 and they're afraid to go outside the box because of their powertrain warranty, they probably won't consider them an option.

Still thinking I want the Mobil 1 in the car if the motor goes on track day. I don't want any excuse for GM to back out of the warranty. You have to watch ship dates, some of these suppliers will take your order but the ship date might be next month. I found some available at Speedway Motors without getting gouged on price.

[WhiteMale]

Yet another oil pissing contest.

[GreyGhost702]

GM Already back-peddled on this, according to their latest recall update they are going to do engine swaps but dump the 0w20 oil spec back in.

According to Lake Speed and other reputable oil labs, Amsoil like many boutique oils has a higher tier base oil. The biggest advantage to straying from the off-the-shelf oils comes in choosing an additive package that fits your engine build and application best. If you're just stock NA - FBO NA there's really no need to get fancy with your additive package or get too worked up about jumping up in viscosity. 0w40 will fit most. The same is mostly true for the off-the-shelf oils, pick a 0w40 that meets API spec and is dexos for your emissions. It's pure bullshit folks stating you can't run the "Euro" oil, too. I ran M1 Euro 0w40 for the first 4 years of my stock engine life, I'm happy to show you my bearings. I also ran a 5k/mi OCI. If SuperTech had 0w40 when I was stock, I would've put that in over M1, too. If anything, Euro spec is usually better for your engine in terms of higher ZDDP package. Whether or not it will carry a Dexos cert is unlikely, because most Euro formula's prioritize engine protection over emissions protection, but if it meets API-SN (SP) you're good to go.

Obviously, if you're worried about your warranty, you'll want a dexos cert but honestly dexos is just protecting your emissions equipment, and even then it's not going to make your cats live forever. Just live long enough to get you through your warranty period lol. Dexos is GM's way of pulling the leash on oil manufacturers to meet minimum standards. Yes, the cert does have minimum standards for performance and wear protection, but they cap out the additive packages to do the least harm to emissions equipment. There are non-dexos certified oils that would even meet dexos spec, but the brand refuses to pay for the stamp. I'd much rather run an oil that does the best job protecting my engine than protecting my ****ing cats. If I had cats, I'd weld a new pair every year over pulling an engine for a rebuild every 5 years. Just how I feel about. But I'm also not concerned about warranties, either. Everyone has to come to their own conclusions. You can stick what GM recommends in your car, for warranties sake. Just remember it's their responsibility to make their shareholders rich, first. And they're putting 0w20 back in the L87's.