So for the past year since I have obtained this truck I have ran a combination of 4 qts Rotella 15w40 and 2 quarts of 20w50 or 10w30 synthentic. I was at Pepboys today and saw that Shell makes a synthetic Rotella, but the weight is only 5w40. What do you guys think? I also saw that Mobil 1 has there own version called Delvac. Anyone ever use Delvac 15w40?
From my limited searching the weight 5w40 has a lot of negative stigma associated with it. I do not know the exact reason, but I recall that 5w40 weight oils were different in make than other weights, but I feel it does not apply to Diesel oils. Just thought I would ask your guys' opinions on Rotella 5w40 first to see if I should switch over. Is there even a point to switching? The truck has atleast 161,000 miles in it, could be 261,000. The previous owner didn't know how many times the odo rolled over.
My truck is driven less than 1500 miles a year(only 1100 so far and I got the thing at the end of Jan 08). But it is also used, primarily, as a tow rig. But since i drive it so little I can afford to change the oil every 500 miles or every 6 months, I would think this truck loves me for it.
Well, my 4.6 OHC V-8 Police Interceptor specs 5W-30 or 5W-40 and I haven't heard anything bad, but I haven't been paying all that much attention. I do know that synthetics handle heat much better than dino oils do without breaking down. Synthetic oil was developed for jet engines because the high heat was requiring dino oil changes every couple of hours (every flight basically) due to oil break down. I also don't think all synthetics are created equal. I use synthetic only in mt air/oil cooled single cylinder quads because of the heat issue. I have been using dino 5W-30 in my 4.6 and my 4.0 engines. because my mileage and usage is much like yours.
__________________
Bear 45/70 Gimp Racing
“There are only two things stopping you, common sense and fear! And not much of the latter.”
Dont know if its true or not, but had a guy at the machine shop tell me Rotella was the only oil that still had antiwear agent in it.
They were having a rash of cam failures on engines they were building & in checking into the problem, that what they found about the oils.
Said he didnt know about the synthetic oil, but figured they still had it in them.
Neil
The additive package was reformulated mainly because of the damage ZDDP does to catalytic converters and particulate filters.
(Yes, they're mandated for diesels now, unless you're running a urea injection system)
Comp cams makes an additive for flat tappetcam break-in Whats New
Man! its just no end to it is it.
High gas prices, now crapie oils on the market that will cause the engine to wear more when its suppose to be protecting it.
Got to be a conspearcy & the governments probably in on it.
Engines going to wear out, so you either got to buy parts or a new car or truck, yeah, I can see whats going on.
When I ordered my new cam, I went ahead & got a bottle of the break in oil that Crane sells. Was around 8 dollars I think & I remember reading something about zinc, but it says to change the oil out after 100 miles.
I guess what they are saying change after 100 miles, is to get all the junk floating around that the oil washed out after the rebuild. That make sence.
I probably wont need to change my oil that early, seeing as how on the first test run the filter & cooler line adapter plate bolt got loose some how & it blew 5 quarts out in about a mile. Wonder how much of the additive is still in the engine now.
Neil
Yup cause most politicians want big ole cars off the read, and they want everyone to buy a New 2012 Hybrid Palosi.
That is the most assine statement I've ever heard. Politicians don't give a damn what you drive. All they care about is staying in office to rake in the bucks for themselves. Other than that they care about nothing what so ever.
Oh and the EPA is run by bureaucrats, not politicians.
__________________
Bear 45/70 Gimp Racing
“There are only two things stopping you, common sense and fear! And not much of the latter.”
Dont know if its true or not, but had a guy at the machine shop tell me Rotella was the only oil that still had antiwear agent in it.
They were having a rash of cam failures on engines they were building & in checking into the problem, that what they found about the oils.
Said he didnt know about the synthetic oil, but figured they still had it in them.
Neil
My local machine shop last year went through this cam failure problem. He's a 20+ yrs machininst and had more cam failures last yr than he had dam near his hole career. Oil was the problem (zinc issues) Also had some lifter issues with ford FE's Lost 2 fe cams on same engine and had to eat both build. After serious investagation lifters failed and killed both engines. Installed new comp lifters and problem fixed. my next engine will be a roller cam to help eliminate some of the problems with oils and lack of issues within oil. On the oil believe its C1-4 is the number your looking for on back with the zinc. I'll have to double check this for you but its a very important number to know when purchasing engine oil. Catch you later on oil tommorrow.
That is the most assine statement I've ever heard. Politicians don't give a damn what you drive. All they care about is staying in office to rake in the bucks for themselves. Other than that they care about nothing what so ever.
Oh and the EPA is run by bureaucrats, not politicians.
Awww come on, I can't have a little fun here. But I believe ole bush is the one who has been pushing Cafe standards. Wether it be by Bureaucrats, Constituants, EPA, NWA, NAACP or what every you want to call it. Or do I just need to start putting Sarcasim brackets up in here.
__________________ Committee:a group of the unwilling, picked from the unfit, to do the unnecessary.
"Brutus" 1978 F-150 SC 4x4 BB460
" There is a very fine line between "hobby" and "mental illness."
" -Dave Barry, Nationally Syndicated Columnist
Why the hell would Bush, an oil man from so far back that he might as well have "BIG OIL" stamped on his forehead, want to do anything to hurt the oil industry? And CAFE hurts the oil industry.
__________________
Bear 45/70 Gimp Racing
“There are only two things stopping you, common sense and fear! And not much of the latter.”
Yet he still signed the new policy into effect, didn't he?
But you know what this has gone from a sarcastic remark, to too political in this forum. So without further hijacking this thread, I will just refrain from any type of sarcastic/ludacris comments seeing and I'll just take my sense of humor some where else. Good Day sir.
__________________ Committee:a group of the unwilling, picked from the unfit, to do the unnecessary.
"Brutus" 1978 F-150 SC 4x4 BB460
" There is a very fine line between "hobby" and "mental illness."
" -Dave Barry, Nationally Syndicated Columnist
Stevoh,
Go for the Rotella 5w40 synthetic, I just switched to it. You'll get both the better lubrication of the synthetic oil, and the benifit of a thinner oil when cold to allow the oil to get to the bearings at startup.
Synthetics are a much different and better critter. They lube much better, so much so that if you use it in a new engine the rings are lubed to well and won't break in right. It's also MUCH more temp stable this means it won't burn up in your turbo helping it to last longer along with the rest of the motor. Also this temp stability allows the oil to be naturally 5w-40. Just to make sure you understand the 40 is the viscosity rating of the oil at opperating temp, so you need the last number to be 40. But the first number is the viscosity rating cold, this is important because the lower this number the faster the oil gets to the bearings at startup, and almost all wear happens at startup. So why aren't all oils 5 or even 0, this is because to make these multi-viscosity oils with dino oil they need to add polymer stabilizers. Dino oil that is a strait 40 without these stabilizers is a 40w-40 not good, but these stabilizers hurt the lubrication performance of the oil. So a 15w-40 has fewer stabilizers then a 5w-40 (when dealing with dino oil) so it lubes better but is a compromise because the oil takes a while to get to the bearings. Synthetic oil being naturaly more temp stable doen't need these stabilizers and is already 5w-40 without compromising performance and still lubing much better then dino oil. There is one drawback, the molicule of a synthetic oil is like 1/10th the size of dino oil, this helps it lube better, but makes it leak more, So if your truck leaks now it will leak more with synthetic, however synthetic doesn't burn like dino oil, so if your truck burns oil it will most likely burn less. Bottom line go for it and fix any oil leaks. Put synthetic in the tranny and axle to.
Bear, your always so helpfull and positive.
"That is the most assine statement I've ever heard. Politicians don't give a damn what you drive. All they care about is staying in office to rake in the bucks for themselves. Other than that they care about nothing what so ever. Oh and the EPA is run by bureaucrats, not politicians."
This statement is vary uninformed, of course there trying to control what we drive. These politicians have the greenies screaming in there ears all day long, and donating money to there campains, they can't help it. Did you pay any attention to the talk about the big three bailout. And the new CAFE standards are going to make powerfull vehicles vary hard to get, if you want a new gas guzzler buy it now cause you won't be able to later. Emissions, along with bumper height and tire size laws are going to make my truck illeagal, they may not need to come for my guns before getting a fight out of me, it might be my truck or dog.
Again, politicians could care less what we drive, as long as the politicians stay in office and gain power (aka money) it matters not to them. Look at the bail out of the loan industry. The loan industry lied and cheated and made billions in loans they knew they shouldn't. Then when it fell apart, who did Congress give money to? Not the people screw by the loan industry, but the money went to the guys that lied, cheat and screwed everyone. Yeah, Congress really cares about what happens to the people and what they are doing. Oh yeah, I'm retired on a fixed income and my gas guzzler stay parked until vacation time or a requirement for real heavy hauling. Otherwise I use my 24 mpg Ranger for most towing and hauling chores.
__________________
Bear 45/70 Gimp Racing
“There are only two things stopping you, common sense and fear! And not much of the latter.”
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FTE Fraternity of Blue Max
Wonder how much of the additive is still in the engine now.
