oil which is best?
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oil which is best? - 9/1/2007 8:45:51 AM
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gohan69
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who has the best oil out there for our blazers especially higher mile ones?
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RE: oil which is best? - 9/1/2007 9:59:48 AM
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rriddle3
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The 4.3L engine is not at all picky about its oil. Any name brand will serve it just fine. Personally, I run Havoline non-synthetic, but your choice will be fine. High mileage - differnent folks have differnent opinions on the oil. If your not burning, leaking, or otherwise using oil, it really isn't an issue. If you are having these problems, Valvoline MaxLife is a popular choice, but once again probably any oil designated for high mileage vehicles will do. The idea behind the high mileage oils is that they have additives and conditioners that supposedly work on the engine seals to make them more pliable once again to control leaks. They also tend to run slightly higher within their rated viscosity range and that can help with oil burning issues. Hope this helps.
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RE: oil which is best? - 9/1/2007 10:59:09 AM
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swartlkk
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Very well said rriddle.
In my old Bravada, I used Mobil 1 full synthetic and was going around 6-8k miles between changes without any change in the oil level between changes.
Now on my new-to-me Rainier, I'm using conventional oil until I'm out of warranty. If anything happens to the motor, I do not want to give GM any excuses so I'm changing the oil/filter every 3k. With 7quarts of oil, that would get expensive with synthetic. Another 9k miles or 15 months and I'll be over to synthetic and start using the oil life monitor. Even with my short commute to work, at 3k miles I was only down to 73% oil life, suggesting that I could have gone to +10k miles on and oil change! Still don't think I'll be going that long, but I'll definitely be around 6k mile.
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RE: oil which is best? - 9/1/2007 11:27:14 AM
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rriddle3
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Kyle, I believe you can have more faith in the OLM. They are proving to be quite dependable and accurate for safe oil change intervals. When you get ready to go to synthetic you might want to look into Pennzoil Platinum since it is showing very good results for lots of people. There are a couple of oil analysis services I can recommend if you want to know exactly what is going on inside your engine.
www.blackstone-labs.com
http://www.dysonanalysis.com
I have learned one heck of a lot about motor oil from this site, if you are not familiar with it:
http://www.bobistheoilguy.com/
< Message edited by rriddle3 -- 9/1/2007 11:29:43 AM >
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RE: oil which is best? - 9/1/2007 11:56:45 AM
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swartlkk
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I used to have my oil analyzed at a local lab when living out in western NY, but I am now in the Finger Lakes and don't have anyplace local. They only charged like $10 per sample so it was quite economical. I drive in my sample and get the analysis in the mail a few days later. That was in my Bonneville where I'd go much longer between changes, only changing the filter every 5-6k miles and changing the oil whenever the analysis started showing signs of degredation.
I have a sample submittal bottle from Blackstone Labs, but at $20+ per sample, it's pretty steep. With the expense, it is just more economical to change it at shorter intervals. I'll try one or two extended drains first off with the Rainier just to get a baseline, but then stay fairly conservative from there on out.
And yeah, I am very familiar with BITOG.com. Great site!!
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RE: oil which is best? - 9/1/2007 1:54:39 PM
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igot10pinitis
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i used the mobil 1 extended performance 300 miles ago. Its suppose to last 15k miles
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RE: oil which is best? - 9/1/2007 3:54:31 PM
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gohan69
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What about royal purple do you really get horsepower from them?
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RE: oil which is best? - 9/1/2007 5:50:24 PM
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rriddle3
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No HP gains from any oil. HP comes from an engine. Some oils may give you an almost immeasureable increase in mpg, but the purpose any any oil is to protect the internals of an engine. There just is not that big of a difference between any of the good oils these days.
The main difference between synthetics and non-synthetics is that you can usually go longer between changes on synthetics and may get slightly less wear with them.
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RE: oil which is best? - 9/1/2007 8:38:13 PM
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TheBrettster
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I use Castrol Synthetic, no problems there.
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RE: oil which is best? - 9/1/2007 10:24:02 PM
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2001blazer
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most synthetics are in the same boat there are very few that are much better then others i personally use Mobil 1 5w30 in the silverado and have had no complaints the place i used to go used castrol in my silverado and blazer and i never had problems with that stuff both normal and high mileage. i am not a huge fan of pennzoil but i like quite a few brands...mobil and valvoline are my fav though. and if your thinkin about filters i HATE FRAM! that is one brand i stay away from there cheap and cheaply made and i have seen countless filters falling apart after only 3k miles of use so i atleast have reason haha. but if you get one of there nicer filters there ok. otherwise i use ac delco, purolator, pure one, and wix. im sure M1 filters are good to but there 10 bucks so ill pass
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RE: oil which is best? - 9/1/2007 11:53:20 PM
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Taymacjack
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quote:
ORIGINAL: gohan69
What about royal purple do you really get horsepower from them?
Royal purple! That stuff is awesome... No, it wont really increase your horsepower, but i dont know if there is any better oil out there at protecting your engine and preventing wear.
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RE: oil which is best? - 9/2/2007 6:45:35 AM
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swartlkk
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quote:
ORIGINAL: Taymacjack
Royal purple! That stuff is awesome... No, it wont really increase your horsepower, but i dont know if there is any better oil out there at protecting your engine and preventing wear.
And that is based off of what exactly?
One thing that will keep me from ever using Royal Purple is the complete lack of independant testing available. Seems that whenever anyone does an unbiased test with it, the results never make it to the web. Everything is a 'sponsored' independant test... Seems shady to me.
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RE: oil which is best? - 9/2/2007 11:53:32 AM
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rriddle3
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Agreed about RP, and the same for Amsoil. Now both of these brands may be very good oils (in fact some used oil anlaysis I've seen point to that), but their promotion and marketing methods leave a lot to be desired by me. If I don't feel comfortable with a product, I won't use it no matter how good it might be.
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RE: oil which is best? - 9/2/2007 12:44:58 PM
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drperry
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Awhile back, in a car magazine (so we know the review was biased to begin with, lol) they clamed running all RP fluids in a Viper, gave it an extra 2 HP or something like that, at the wheels...
That being said, as far as I'm concerned without seeing independant non-sponsored tests, it's overpriced market hype, lol.
I ran Amsoil in mine for one oil change, I can't comment on how it looked when it came out, as I'd dunked my truck in a river... However, it DID idle and run a LOT smoother than whatever oil the dealership put in when I bought the thing.
My Mobil 1 change isn't doing so well, but that's mostly due to the plugs that need changing, lol, and I'm sure there's some issues with the whole river thing... Anyway... It still runs great-ish, and once I get the plugs changed, should be good to go...
I used Mobil 1 in my old Lumina Z34, and NEVER had an issue, and I beat the ever loving snot out of that car... it saw redline at least once every time the car was started, it hauled a quad, towed cars and trucks out of ditches, snowbanks, survived hard-core off-roading, and in winter, in parking lots, was the main vehicle for Canadian Water Skiing... And still ran like a champ!
So my choice is Mobil 1, but most name brand synthetics these days probably perform pretty close...
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RE: oil which is best? - 9/3/2007 12:22:10 AM
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Taymacjack
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quote:
ORIGINAL: swartlkk
quote:
ORIGINAL: Taymacjack
Royal purple! That stuff is awesome... No, it wont really increase your horsepower, but i dont know if there is any better oil out there at protecting your engine and preventing wear.
And that is based off of what exactly?
One thing that will keep me from ever using Royal Purple is the complete lack of independant testing available. Seems that whenever anyone does an unbiased test with it, the results never make it to the web. Everything is a 'sponsored' independant test... Seems shady to me.
http://www.royalpurple.com/techrp/summary.html
I'm not going to argue with you about biases and sponsered tests, because its almost impossible to prove anything either way. Its not like i could prove anything to you anyways....
But i have noticed a much smoother idle which i must admit, wasn't expecting. But i did see RP used on the bearing test which was pretty covincing to me. I use to use castrol conventional by the way...
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RE: oil which is best? - 9/3/2007 1:25:26 PM
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swartlkk
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quote:
ORIGINAL: Taymacjack
http://www.royalpurple.com/techrp/summary.html
I'm not going to argue with you about biases and sponsered tests, because its almost impossible to prove anything either way. Its not like i could prove anything to you anyways....
Who's arguing? And what is the last sentance above supposed to mean anyway?
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RE: oil which is best? - 9/3/2007 6:01:35 PM
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a_tack
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I run plain oll' Penzoil 5w-30 in all of my vehicles.... was gonna run royal purple, but dad talked me out of it... He works in an oil refinery and they used to run royal purple in all of their equipment until it began prematurely breaking down and causing hundreds of thousands of dollars worth of equipment to stop working... however that was in machinery, not a blazer... I just didn't feel like taking my chances...
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RE: oil which is best? - 9/3/2007 8:50:05 PM
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rriddle3
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[/quote] I'm not going to argue with you about biases and sponsered tests, because its almost impossible to prove anything either way. Its not like i could prove anything to you anyways....
But i have noticed a much smoother idle which i must admit, wasn't expecting. But i did see RP used on the bearing test which was pretty covincing to me. I use to use castrol conventional by the way...[/quote]
Taymacjack, unlax. I don't think anybody here is trying to get on your case about your oil choice. It's quite possible that your idle smoothness can be attributed to your motor oil, but as far as whether RP is doing good or bad inside your engine, a used used oil analysis and only a UOA can tell you that. Without that information, saying that an oil's performance is good or bad is just talking through your hat.
As far as the 'bearing test' goes there is plenty of information available on the internet to show that it is just not applicable to the actual wear and tear that happens inside a car's engine. It looks real impressive when you watch it, but the dynamics of an engine are just too differnent to the static test to be relevent.
And, yes, it is possible to 'prove anything either way'. Bias has nothing to do with my choice of oil.
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RE: oil which is best? - 9/3/2007 10:28:06 PM
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Taymacjack
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Like i said, im not going to be able to prove anything. Sorry swartlkk, i didnt mean to make that sound like a personal attack. All opinions are biased, whether we admit it or not. We choose to either accept or deny information, whether it is true or not. Even if an experiment is sponsered, that does not automatically make the information biased or invalid, or even the result untrue. The same goes for a truly independent experiment, just because it is independent does not make it true. Rridle3, that is why i say its impossible to prove anything either way, because there will always be information to refute any stance taken. You cant possibly tell me that you did an uoa for every brand of oil, and didnt accept anyones opinion when you chose which brand of oil you were goin to use. Saying that you can prove anything is ambiguous, because both sides cant be true. Thats why i say you cant prove anything either way (most of the time), because there will always be other info to contradict anyones opinion.
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RE: oil which is best? - 9/4/2007 4:19:25 AM
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swartlkk
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#1 reason why I don't like the results listed on any of the RP tests I have seen is because they make statements like, "Replaced existing motor oil with Royal Purple 5W30 motor oil." or "Used oil analysis was used to determine the amount of wear metals produced in a dirt track Sprint car before and after switching to Royal Purple Motor Oil."
The first statement has zero information in it. No indication given that the oil that was in theree was even new on the 'before' test.
The second statement is just rediculous if you understand UOA and how an engine breaks in. The first UOA with the mystery oil could have been the 1st oil change in this motor. Any subsequent oil change will have less wear metals automatically.
Also, when you understand the accuracy of pretty much all chassis dyno's, you would see that the 'results' they publish are within the tolerance of the dyno itself.
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