synthetic oil thoughts

[Inthehollow]

I just bought a 07 chevy 1500 5.3 47000 miles wondering about synthetic oil wondering about other peoples thoughts and experience. What brands and do you notice any mpg gain with it. Thanks Bret

[harvey lee]

I run Mobil 1 and have for close to 30 years in the cars and trucks. Had great luck with this oil.

With that said, I also change the oil and filter every 5-6,000 miles on my pick up. I do not let it go to over 10,000 mil.es like some do.

I also put synthetic in my rear end and that helped my mileage.

[Walleyehooker]

I run synthetic in everything I own and run Mobile 1 in my 02 Suburban 5.3. Not sure you will gain much on MPG but it is a proven better lubricant so less heat and less wear.

[crothmeier]

I run Napa Synthetic in my '07 Impala and my '08 Silverado with the Napa Gold filter. Change them every 5k miles. I don't think you'll notice a MPG gain. You should already have synthetic in the diffs.

[MNice]

Unless you run the living heck out of a vehicle, regular oil with regular changes will do just fine. I would bet there are very few oil related faliures. Airjer, any opinion on this?

[K_Josh87]

I like synthetics, I do not tend to buy into extended drain times...

[Jeremy airjer W]

Unless you run the living heck out of a vehicle, regular oil with regular changes will do just fine. I would bet there are very few oil related faliures. Airjer, any opinion on this?

Don't get me started!

[Esox_Magnum]

Our brand new car we are told to run nothing but synthetic and 5000-7500 recomended oil changes

[harvey lee]

Some may say it is not needed but I have run synthetic oil in all my vechiles since my new 1975 T-Bird. I can also say not one of the cars or trucks I have owned since have ever given me one issue in regards to the engine.

Maybe the fact I watch my oil changes, maybe not. Maybe is was or is the synthectic oil, maybe not but I will never stop using it as it has served me well over tha last 38 years.

[Eric Wettschreck]

My thoughts on synthetic oils are this.........The vehicle manual will specify which oil you should use, and the oil change intervals, with regular pulling the dipstick to check level. This is what a person should do.

I once thought I knew more than the manufacturer on which oil should be used, and I deviated from their recommendations.........and paid a mighty price for it.

[Wanderer]

I like synthetics and have used them ever since I bought a a used Suburban from a guy that used it since new. I could look inside the valve cover and clearly see the gasket and the clean gray cast head. He told me how it didn't leave any deposits and that was obvious.

That was during my stint working for an engine shop where I was working in tear down, disassembling engines for rebuilding. We tore down 100 engines a day easy. I rarely saw an engine in the shop that was clean and gray cast colored in the oil areas (tops of the heads, the valley, and inside the crank case). Many were clean but stained the color of motor oil, most were just dirty, greasy, black pigs with the worst being caked with thick black, waxy grease from people not changing their oil maybe ever. The amount of ring wear in the cylinders was predictable by how dirty the engine was. Pretty much a guarantee is got worse the dirtier an engine was.

I've been sold on synthetic ever since. I just traded off my 1996 Chev 1/2 ton with a Votec 350 and 213,000 miles. I wasn't religious about oil changes but got them done at least seasonally with synthetic since it was new. The engine is still tight, no leaks and purrs down the Interstate like a truck with half the miles. ALWAYS started in the cold without laboring during cranking, no knocks, no smoke. I couldn't ask for better. 13.5 mpg when new and 13.5 mpg at 213,000 cruising the highway.

I've also experienced easier starting with my lawn tractor/snow blower with synthetic. I knew this was the case but went into this winter with some conventional oil I put in it after doing some engine work over the summer. It was TOUGH starting it in the cold. I dropped the semi-fresh conventional and put in some synthetic and had instant starting improvement.

Sorry to be long winded but I'm a believer.

[harvey lee]

+1 Wanderer.

[Capt. H (Ret.)]

My thoughts exactly!!! My '11 Silverado calls for DEXOS and that's what I use. I also have it serviced at the Chevy dealer because it doesn't cost that much more than doing it myself, they at least look over other items on the truck and I am getting too old to crawl under it!!!

Mike

[Whoaru99]

What's dexos? Yes, I know it's oil (or maybe the oil spec), but just a new-fangled name for a synthetic or synthetic blend, or a new spec developed to get a cut of licensing fees from anyone that wants to sell an approved oil?

[CAMAN]

What's dexos? Yes, I know it's oil (or maybe the oil spec), but just a new-fangled name for a synthetic or synthetic blend, or a new spec developed to get a cut of licensing fees from anyone that wants to sell an approved oil?

[Wanderer]

CAMAN,

Where did the quote summarizing Dexos come from?

[Jeremy airjer W]

If you search the first sentence it will bring you to a site called oilreset. You will find it there

[CAMAN]

Yeah I did a quick search for Dexos and pretty much every site was from GM, that was the first site not associated with GM. There are probably better more impartial ones out there explaining it, I just wasn't willing to search much more.

[Inthehollow]

Well thanks for the input looks like I will go with a synthetic just have to pick witch brand I am guessing Napa or valvoline.

[NowthenJoe]

I like the Shell Rotella T6 with a Wix Filter.