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Originally Posted By: 9krpmrx8 So what group is GC? Last I checked, it was still considered a IV, largely due to its 0w status and the certifications it meets (hard/impossible to get a pure Grp III to that level). I don't know if anyone has done a recent analysis to prove actual content...

Originally Posted By: 9krpmrx8 Oh, Okay. I could'nt find Mobile 1 in 0W-40 either. Any other alternatives? Where did you look for M1 0w40? If Autozone doesn't have it, Walmart tends to have it.

Remember...original poster is from Canada. WM in Canada does carry GC.

Originally Posted By: Billy007 The bottles don't have the foil seal so that pieces of the foil seal don't end up in the engine. Would you trust iffy lube or wm technicians with a bottle that has a foil seal? I don't pay to have oil changed, but don't most of those places have "bulk"...

Originally Posted By: jmaster my last oil change i drained out the 8.5 quarts of mobil 1 5w30 and it was pitch black. i'm pretty sure i put 5000mi or less on the oil(and no way it could have been near 10,000) no more of that junk in my motor. but my choices for now are mobil 0w40 or german...

Originally Posted By: BuickGN The line of the 0w getting past the rings easier might be due to the fact that it likely has more VIIs than a 10w-30. Please correct me if I'm wrong, but I'd think 0w has LESS VIIs than most other oils, given that it's likely to be synthetic (Grp III or IV) and...

Originally Posted By: Uncle_Olaf Whereabouts in Chicago-land was the store you went to? I was in the one in Des Plaines this evening. It wasn't Des Plaines (it was in a western suburb), but I'd rather not say exactly where, since I'd hate to more specifically ID the guy despite his ineptness...

Originally Posted By: noi8u Porsche does recommend 0w40 across the line now, but why a 0w when a 5w is usually good to 25 below or Amsoil ACD 10w30 is good to 30 below? Not to mention BMW M models use 10w60. I just think that a 0w weight oil is more likely to get in the combustion chamber. I...

Yeah...it was just getting a bit sanctimonious. I was tempted to either write down Bitog's URL or tell him to google German Castrol when HE got home.

Was in a Chicago-land Autozone today, trying to get GC and one of the older (ie, someone I'd expect to be somewhat experienced) employees saw I was trying to buy a 0w oil and tried to talk me out of it. Said 0 weights were developed by Ford just to get slightly better fuel economy and that he...

Originally Posted By: JimPghPA How long of a shelf life would you consider to be the amount of time that you would no longer want to put this oil into a engine? I was concerned, given the amount that I had purchased. Mobil's website says 5 years, but most anecdotal evidence seems to...

Originally Posted By: ARB1977 Talking being in the right place at the right time. Amen to that. I scored 6 quart cases of Syntec (5W-30...not GC ), for $9.97 clearanced at Costco. Must have changed the price late Sunday. I happened to be shopping 15 minutes before close, did a double-take and...

Yes, though there is usually a daily limit (I think it's 10-15 quarts in my area).

Originally Posted By: motts ????????????????????????????????????????????????????? I don't think you're reading the posts right. Someone said it was "amazing" how people tried to save a few bucks and referenced a story about a Nintendo box containing only rocks (indicating that someone bought...

Wow...I thought Camry's used an interference type engine, so if the timing belt broke in operation, the valves would smash into the pistons and the engine would need to be rebuilt. She must have gotten lucky to still do another 50K miles after the belt was replaced.

I guess what I meant was that you have the "right" version of GC, not the "US" version, by which I had assumed you meant made in the US. I actually thought those would be out of circulation, but found a few bottles of 0w30 US made Syntec mixed in on the shelves.

My GC also says Wayne, NJ on the bottom left of the back. However, it also says Made in Germany underneath the API SL, etc. certifications on the right hand side of the back label.

Originally Posted By: hate2work Seriously? I thought that was an old wive's tale. I've read a million times on this forum from some pretty knowledegable people that you can switch to syn anytime without problems. Now you come along and say there IS a problem switching to syn? It's not the...

I've used Seafoam in the past to help remove carbon buildup, but since my car is older, I didn't want to put some seafoam in the oil pan to help clean up that gunk (since I think it would clean TOO well, and cause leaks). However, since only oil goes above these valves (so no fuel additive...

I was always taught that the transmission fluid line running through the radiator served 2 purposes. 1) To cool the fluid when it was too hot and 2) conversely, to heat up the fluid if it wasn't warm enough. With this in mind, best practice was to put the aftermarket cooler such that it comes...