Synthetic or regular oil?

[DTAILS]

Royal Purple full synthetic .........

I use it in my BMW, Toyota and the Tahoe.

During the summer months the BMW will run an average of 15 - 20 degrees cooler with all vehicles experiencing easier cold starts year 'round.

When I first purchased the Tahoe I noticed a slight "ticking" sound during idle. I switched over to the RP and within a few minutes of starting the Tahoe with the fresh RP in place, the "ticking" is gone. Tahoe seems to run smoother as I have come to expect with all of the vehicles I have used the RP with.

Amazon shows 5 gallon tubs @ $115 per which ends up bringing the per quart size down to around $6. Not bad since RP typically sells for about $9 per quart on average.

K&N oil filter in place for the Tahoe with RP filter on the BMW.

By the way, it is proven amongst different independent studies that even full synthetic oils begin showing "breakdown" beginning around 7500 - 8K miles regardless of the vehicle/driving behavior.

 

[wyattz71]

synthetic all the way

 

[srec1]

The only car I ever put full synthetic in from day one did not end well. 2004 Dodge Durango hemi, 117k miles, dropped a valve. I changed the oil at 5k intvervals. Of course maybe without the synthetic it would have lasted only 80k.

 

[OklabyGodhoma]

Driving habits do come into play. Redlining the engine and driving the dog piss out of it like I did when I was a kid will cause early failure....thankfully I got older and wiser.

 

[djperryalexander]

what is better anyways 09 denali..???

 

[DTAILS]

what is better anyways 09 denali..???

Nothing is better than full synthetic.

 

[1ATony]

I use Mobil 1 and WIX filters in pretty much everything I own. Mobil 1 is good stuff.

 

[jeffbrown65]

I use Mobil 1 fully synthetic. I change every 6K b/c i live in a state were the dust is bad.

 

[crash0ride]

Mobil 1 filter + Castrol GTX

I used to be a hardcore synthetic oil freak but now I think its a waste of money IMHO. If you change regular oil at the correct intervals your fine. People like to justify that it runs smoother or gets better gas mileage or whatever is a myth. Change your oil at the recommended intervals from your manufacture and your fine.


** GM don't break their engines in on synthetic for some reason I forget **

 

[OklabyGodhoma]

Crash0ride....your correct....their frigging cheap......but Mercedes, BMW, Ferrari, and about a half dozen others do. As I have stated before, it's your investment, so it's yours do do whatever you want with it. But, facts are facts and VERY verifiable. Hopefully ALL the posts in this thread were read and understood.

 

[sumo]

has anyone tried the mobile 1 Truck and suv oil? i saw this on the shelf the other day and am thinging about trying it as im due for a oil change soon.

 

[Metalshape]

Hi I'm new to this site I have ordered me a 2011 Denali and the first thing im doing is putting a pure power oil filter on and changing the oil to DELO SAE 15-40. I build hand made cars and bike for a living and I have a lot of toys and all run the DELO oil.. I was turned on to this oil after meeting the owner smart smart guy.. I also run the filter and fuel filter on all my vehicles.. Call him and ask for Kelly.. Super nice guy tell him Dennis from Todd's Cycle told you.. I have an account with him and could do a group purchase if there are any interest..

 

[felixgun]

Wow... 6 pages of heated oil debate.. awesome.. i'm due for an oil change and i've decided to switch to synthetic and get a K&N oil filter. The question is.... Royal Purple or Mobil 1 Full synthetic? I'm sure it's all opinions but I want to know which of you synthetic oil people use, and why you chose that one. Thanks guys and great debate.. to each his own!

 

[DTAILS]

Wow... 6 pages of heated oil debate.. awesome.. i'm due for an oil change and i've decided to switch to synthetic and get a K&N oil filter. The question is.... Royal Purple or Mobil 1 Full synthetic? I'm sure it's all opinions but I want to know which of you synthetic oil people use, and why you chose that one. Thanks guys and great debate.. to each his own!

Royal Purple .........

I currently use it in my 2008 BMW 335i (highly modified):
The car cold starts easier and on average will operate @ 15 - 20 degrees cooler during the summer months. This IS Texas so it makes a definite difference. I use the RP oil filter on this one.

Also, using it in my 1998 Toyota 4Runner (237,000 miles & counting):
Recently took this truck on a month long road trip from south Texas to Calgary, Canada. This oil change was fresh when we started out ....... the 4Runner NEVER missed a beat as there was never a need to add any oil. This trip was about 6400 miles from start to finish. Easier cold starts and noticeably smoother idle. Using RP oil filter.

Currently using it in the 2007 Tahoe (95,000 miles):
Easier cold starts, idle is unchanged & still very smooth, operating temps seem to be unchanged. Using K&N oil filter.
I am also using the Royal Purple ATF trans fluid with a factory replacement AC Delco trans filter. MUCH improved shifting where I hadn't expected there to be any difference.

 

[sumo]

Wow... 6 pages of heated oil debate.. awesome.. i'm due for an oil change and i've decided to switch to synthetic and get a K&N oil filter. The question is.... Royal Purple or Mobil 1 Full synthetic? I'm sure it's all opinions but I want to know which of you synthetic oil people use, and why you chose that one. Thanks guys and great debate.. to each his own!

either way, you cant go wrong. What ever is on sale that day i guess, lol

 

[OklabyGodhoma]

Already stated what I use and why......and if you want tempreture changes come to OKLAHOMA..... -25 windchill to +105.

 

[felixgun]

Ended up going with Mobil 1 synthetic. + an air freshener and tax, it cost $70.50 -- guy told me I could change it up about every 9k-10k miles

 

[shundal]

Ended up going with Mobil 1 synthetic. + an air freshener and tax, it cost $70.50 -- guy told me I could change it up about every 9k-10k miles

I just had mine changed with the same mobil 1 sythetic and they wrote the next change is in 4,000 miles. I was thinking it was atleast double that mileage from what i have read, so good to know i don't need to be changing it out anytime soon.

 

[felixgun]

Yea.. I don't actually plan on letting it get to 9-10k miles before changing, and will be keeping an eye on the oil % through the gauge/cluster read out. Once the % gets to the single digits (at 100% oil life right now) then i'm going to change it out. Will post results in how long this will actually last in my car.

 

[sumo]

im using mobil 1 now and im at 14%. Ive gone over 5k, so im guessing that about 6k ill be due for a change