Only fossil fools don't use synthetic lubes. Corvette went with Mobil 1 when they wanted to do away with the engine oil cooler in the 92 and up Vettes which came with Mobil 1 as factory fill and it is the required oil. The engine ran as cooler and could handle extreme heat with Mobil 1 and no oil cooler.
It is also factory fill in the AMG Mercedes, Aston Martin, Porsche, Viper, or any car where the engine is worth protecting to the max.
I changed my H3 oil at 1500 miles and will be using Mobil 1 forever.

 

Why did you change it at 1500?

 

I changed mine at 1000 miles and then again at 5000 on the odo..now I'll be doing it every 5000 here after...
(Castrol Syntec)

Bird..I guess there is no real good reason to change it so early or so often..But the first oil change gets out all the manufactuing assembly greases and oils and small contaminates from being built...That's my theory and I'm sticking with it..Anyways it's cheap insurance and if you are a DIYer then this gives you a chance to get your lazy *** underneath to look things over for any problems that might otherwise go unchecked and progress to eventual premature failure of something..And I never had any engines develop internal problems with changing the oil more regular than the manufacturer suggests...people that go the full distance between changes I have heard to develop problems...So I'm just a worry wort and old school and don't want to press my luck as I've always have had good luck with frequent oil changes.

 

So is there any justification to switching to this stuff:

http://www.mobiloil.com/USA-English/...rformance.aspx

 

And what do you think about this stuff:

http://www.mobiloil.com/USA-English/..._SUV_5W30.aspx

 

If it's true, as has been mentioned above, that one synthetic is basically the same as another, then perhaps I am inclined to buy Castrol or Valvoline over Mobil. Isn't Mobil a French-owned company? Oui?

However, I will say that the Mobil synthetic 5W-30 formulated for SUVs is mildly attractive, since the H3 engine does seems to be overstressed as it is...

.02

 

Mike..Save your money on the high dollar Mobil 1 15,000 mile stuff..If you just use their regular stuff it will be fine...
Bird...I know for a fact that Mobil 1 and Amsoil and Red Line are all 100% PURE synthetics..Castrol Syntec is actually a base of petrol combined with Synthetics...Seems they changed their formula from pure synthetic to group III petroleum base stocks. They were sued by Mobil 1 because of it. They have legal rights to claim their syntec is full synthetic, their claim is FULL Synthetic and that has caused them some heartburn in the advertising industry...But the bottom line it's still for all pratical purposes Synthetic, and not to be confused with the Blended formula..As I said in previous posts that Mobil 1 caused things to leak on my cars before and I stay away from it now...It maybe just fine now..But once you go synthetic, never go back to regular dino oil.

 

Verrrry interesting...I had no idea that Castrol Syntec was in fact not a full synthetic. What about the Valvoline one? There's a Valvoline oil change joint right next to my house...ahhh screw it...I'm just gonna take it to the dealer I guess since it's near my office anyway. Will the dealer put in synthetic?

Pardon the newbie, non-mechanically-inclined questions...

 

No..I believe the dealers are only required to put in conventional motor oils...But if you take them a case of your favorite Synthetic (actually takes 6.5 qts)..I'm sure they'll put it in for you..

 

The dealer told me the H3 requires synthetic and that's what they put in mine, so did the oil places I had it changed from. Are you sure about that?