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Unread 06-30-2007, 08:42 PM   #16
4.7stroker
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Quote:
Originally Posted by sjd78
I think synthetic oil is a waste of time and money. I dont trust any oil synthetic or dino and no matter what scientific tests have been done to go past 3000 miles. Cars have been running regular dino oil forever. Manufacturers still run dino oil in their cars. I just dont buy into spending the extra money and it will save the life of your engine. How many 4.0L engines have gone up to almost 300,000 miles on dino oil? Thats good enough for me!
Another brainwashed victim of advertising.

Lucas is also carp there is not an additive around that is worth using.

Of course this is just my opinion, other opinions may vary.

please read the links and save a cam.

Dwayne

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Unread 06-30-2007, 10:38 PM   #17
cowpie01
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Quote:
Originally Posted by sjd78
I think synthetic oil is a waste of time and money. I dont trust any oil synthetic or dino and no matter what scientific tests have been done to go past 3000 miles. Cars have been running regular dino oil forever. Manufacturers still run dino oil in their cars. I just dont buy into spending the extra money and it will save the life of your engine. How many 4.0L engines have gone up to almost 300,000 miles on dino oil? Thats good enough for me!

Huh.... You might want to come out of the 1970's. Corvettes come with synthetic from the manufacturer and a most cadillacs as well. My CRD Liberty came with synthetic. In all these cases the manufacturer stipulates using synthetic only. I admit the cheap throw away cars are still on dino.

I don't think anyone here really cares if you want to use wesson vegatable oil in your crankcase. If you don't buy into the technology, cool. There are some good dino oils, I will admit to that. But it is like buying a good rifle versus a great rifle. Both will shoot, but you have to pay more to get a really good sub MOA rifle. you won't win a national competition with a walmart special.

Engines that run on good synthetic clearly are cleaner inside, last longer, and have fewer malfunctions. Check out how Guardian Pest Control out of MN got along with it. Or how an independent owner/operator took his engine to over 400K miles without an oil change (using oil analysis and bypass filtration). Mack didn't believe he could do that and they tore the engine down to check out the parts. The engine was in better shape than other Mack engines running dino and doing normal service intervals. This was done by Mack on their own. It was not sponsored by any oil company.

True some 4.0 engines have seen 300K without going to synthetic. But have you seen a production gasoline engine go to over 600K without any major repair and is still on the road? I have. It is in a chevy pickup in central Missouri. The pickup still runs great and has been on 20K mile synthetic oil changes since the first change. I have seen engines (my step daughter comes to mind) that didn't make it to 40K because it was driven like crap.

Is synthetic for everyone. Probably not. But it is still the best choice overall. It can't guarantee that every engine will last a million miles, but if all the components have no flaws, you will never get an equal engine to operate for as long or trouble free as one that lives on synthetic.

If you like trading every 3 years, or are just looking to change oil as an excuse to get out of the house and avoid the wife, then disregard all this and use the cheap oil. I would like to keep my 60th anniversary edition XJ for a long, long time and with fuel prices what they are (and where they are going), I would like to tweak out all the MPG's I can from the XJ. Synthetics will give me that edge.
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Unread 06-30-2007, 11:59 PM   #18
sjd78
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Blah Blah Blah..... For the person who thinks I am "brainwashed", well it is obvious you are the one that is brainwashed if you think all of the corporate advertising means longer engine life just because someone on TV says so. As for me coming out of the 1970's, well maybe you should grow up and realize when manufactureres a pulling the wool over your eyes. Its funny how only the most expensive cars come with synthetic oil and are recomended to only use syn oil......Hello, because those people who can afford those cars are more likely to buy into and pay for the whole "you have to run this type of oil because this is a fancy expensive car bull". Dont believe for one minute that if syn oil was that great and saved manufacturers so much money in repairs that they wouldnt run it in all cars. Also, I like how you refer to all other cars throw away cars but you are on a Cherokee forum which came with dino oil from the factory....I guess you should throw it away and wheel you vette or caddy because didnt you know it has syn oil! Its funny how when someone has a difference in opinion childish people start taking personal attacks at them. GROW UP!
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Unread 07-01-2007, 01:04 AM   #19
Bryson
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Quote:
Originally Posted by ZeroDormancy
from my research if you want to switch to syn its good to do a gradual change

i went from full dino to the part syn to the full syn and now i use mobil one or royal purple

love em both
Thats exactly how you should do it.

I also find it funny how some people ***** about synthetics leaking past the gaskets. Anyone with a sense of logic can tell you thats because the oil is working. Most synthetics have detergents to remove the crap (oxidation) that dino oils build up. If you swap to a synthetic oil, and you develop a leak...you simply need a NEW GASKET!

I use Royal Purple in both my Jeep and Honda.
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Unread 07-01-2007, 01:17 AM   #20
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Quote:
Originally Posted by sjd78
Blah Blah Blah..... For the person who thinks I am "brainwashed", well it is obvious you are the one that is brainwashed if you think all of the corporate advertising means longer engine life just because someone on TV says so. As for me coming out of the 1970's, well maybe you should grow up and realize when manufactureres a pulling the wool over your eyes. Its funny how only the most expensive cars come with synthetic oil and are recomended to only use syn oil......Hello, because those people who can afford those cars are more likely to buy into and pay for the whole "you have to run this type of oil because this is a fancy expensive car bull". Dont believe for one minute that if syn oil was that great and saved manufacturers so much money in repairs that they wouldnt run it in all cars. Also, I like how you refer to all other cars throw away cars but you are on a Cherokee forum which came with dino oil from the factory....I guess you should throw it away and wheel you vette or caddy because didnt you know it has syn oil! Its funny how when someone has a difference in opinion childish people start taking personal attacks at them. GROW UP!
Wow. Do a little more of your own research before typing all this BS.

There is more than enough evidence to support the use of synthetics. You just havn't seen it for yourself due to your ignorance.
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Unread 07-01-2007, 08:14 PM   #21
sjd78
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Quote:
Originally Posted by Bryson
Wow. Do a little more of your own research before typing all this BS.

There is more than enough evidence to support the use of synthetics. You just havn't seen it for yourself due to your ignorance.
Once again, just because one has a different opinion then others doesnt warrant personal attacks or name calling. I dont buy into any reasearch on syn oil, most of it is conducted or promoted by oil companies to begin with. Just because I think it is a waste of money doesnt mean you have to resort to name calling and act like a 2 year old that just got their toy taken away! Real mature bunch we have here!
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Unread 07-01-2007, 11:27 PM   #22
Bryson
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Quote:
Originally Posted by sjd78
Once again, just because one has a different opinion then others doesnt warrant personal attacks or name calling. I dont buy into any reasearch on syn oil, most of it is conducted or promoted by oil companies to begin with. Just because I think it is a waste of money doesnt mean you have to resort to name calling and act like a 2 year old that just got their toy taken away! Real mature bunch we have here!
Sure it does. Because thats the truth. Your simply ignorant...and thats MY opinion. The forum posted above has HUNDREDS of independant tests done by individuals that have absolutely no ties to any oil company. The tests almost undoubtably show that synthetics provide better wear protection, longer drain intervals, lower oxidation rates, and reduced friction.

I have produced my own dyno tests that have resulted in an increase of over 15whp, and an average MPG increase of 2-3mpg. This was done using new mobil1 dino oil and royal purple full synthetic (same drain intervals, atmospheric conditions, correction factors, everything the same yet different oil). If you think thats still a waste of money, well...your hopeless.

How about this. open up your motor. Look how nasty it is. try out the synthetic for a couple thousand miles, and look at it again. Then get back with me, and see how you feel. I've torn down countless motors and the ones using synthetics are always carbon free. However, there isn't a motor on the planet that runs dino oil that doesn't have some carbon deposits.
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Unread 07-03-2007, 09:41 PM   #23
cowpie01
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Quote:
Originally Posted by sjd78
Blah Blah Blah..... For the person who thinks I am "brainwashed", well it is obvious you are the one that is brainwashed if you think all of the corporate advertising means longer engine life just because someone on TV says so. As for me coming out of the 1970's, well maybe you should grow up and realize when manufactureres a pulling the wool over your eyes. Its funny how only the most expensive cars come with synthetic oil and are recomended to only use syn oil......Hello, because those people who can afford those cars are more likely to buy into and pay for the whole "you have to run this type of oil because this is a fancy expensive car bull". Dont believe for one minute that if syn oil was that great and saved manufacturers so much money in repairs that they wouldnt run it in all cars. Also, I like how you refer to all other cars throw away cars but you are on a Cherokee forum which came with dino oil from the factory....I guess you should throw it away and wheel you vette or caddy because didnt you know it has syn oil! Its funny how when someone has a difference in opinion childish people start taking personal attacks at them. GROW UP!

Just because it comes from the factory with mineral oil does not mean that is the best oil for it. It could mean that the factory just got a good bid on a dino oil that meets their minimum recommended API specs. I deal with manufacturing suppliers for Ford Motor and cutting costs is the first priority, not whether your engine lasts for 500K miles. They are only interested in getting you thru the warranty period then they could care less. That is from being directly involved with Ford and GM production plants for almost 20 years. They will only use the MINIMUM quality oil that they can get away with. When you are producing vehicles at the rate they are, cutting costs thru little things can make a big difference in profit margin.

Sorry... don't now own or ever owned a vette or any other "high class" ride. Most of the vehicles I have bought since before you were born are of the common variety. Still doesn't mean that the chevy Vega (boy showing my age), chevy chevette, Ford pinto, etc were not "throw away" cars.

Sure the oil companies do a lot of testing, but so do independent labs with no axe to grind on which oil is better. Synthetics still win out over dino oils. That is fact. Of course if you can provide any independent testing results that are certified by the American Petroleum Institute that refutes my claim, I would always be willing the review it. I am an independent thinker. I do not have time to hear what "someone on TV" tells me. I have just plain old experience with agricultural, construction, trucking, and my personal vehicles to tell me what works.

All in all, I get the distinct feeling that you have lost the argument. When someone lowers theirself to adhominum attacks and not presenting factual data, that is when the disussion goes south. I only disputed your assertions, I did not make personnal attacks on you as you are on me. But who cares. Oh what the heck...... I was toting a rifle in the mud and bugs before you were a spot on the bedsheet. I have over 3 million accident free miles with semi's and my last one went 1.5 million miles without having to be worked on other than alternator and other small items thanks to synthetics. It is still working today by the guy who bought it when I traded. So, youngster, you grow up!

Darn it... I hate it when someone gets my goat. Sorry guys. Will try not to let it happen again. Should know better.
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Unread 07-05-2007, 01:54 AM   #24
Bryson
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Quote:
Originally Posted by cowpie01
Just because it comes from the factory with mineral oil does not mean that is the best oil for it. It could mean that the factory just got a good bid on a dino oil that meets their minimum recommended API specs. I deal with manufacturing suppliers for Ford Motor and cutting costs is the first priority, not whether your engine lasts for 500K miles. They are only interested in getting you thru the warranty period then they could care less. That is from being directly involved with Ford and GM production plants for almost 20 years. They will only use the MINIMUM quality oil that they can get away with. When you are producing vehicles at the rate they are, cutting costs thru little things can make a big difference in profit margin.
Bingo.

I'd also like to add that the dino oil is also reccomended for engine break in, which is another reason why they use it from the factory (cost being the #1 factor of course). Ideally, the switch to a synthetic should be right after the first 3,000 miles.
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Unread 07-05-2007, 08:09 PM   #25
BoostinTJ
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I have a friend that has a 1990 300zx turbo, with a few mods and hes drives the heck out of that car, and hes got over 300,000 miles on stock motor and turbos and it doesn't smoke and runs very well for the miles on it. He only uses synthetic motor oil as do I in all my cars.
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Unread 07-12-2007, 09:50 PM   #26
gamble71
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Quote:
Originally Posted by sjd78
Once again, just because one has a different opinion then others doesnt warrant personal attacks or name calling. I dont buy into any reasearch on syn oil, most of it is conducted or promoted by oil companies to begin with. Just because I think it is a waste of money doesnt mean you have to resort to name calling and act like a 2 year old that just got their toy taken away! Real mature bunch we have here!
Wow, what rock did this guy crawl out from under Go do a google search and see what every single test shows.... synthetics are better. I run em in the wife's jeep, and dino in my explorer. The explorer leaks a qt about every 2-3k miles, so not worth the good stuff. If you honestly believe the mis-information you're spouting here I feel sorry for you. You're living in your own little fantasy world, and wasting money on oil changes every 3k. All I can say is, don't ever come near anything I own with a wrench, you probably still think the flathead is a better design than OHV engines
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Unread 07-12-2007, 10:39 PM   #27
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eh im stickin too my castrol dino 10w30 and lucas works without problems.
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Unread 07-12-2007, 10:44 PM   #28
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Just for giggles check out my link for a Lucas test.
Personaly I do not think there is an oil additive out there that should be used.

Dwayne
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Unread 07-12-2007, 11:16 PM   #29
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ive looked at yours and bobs and i dont really care it makes my motor run better so im leavin as is
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Unread 07-13-2007, 01:02 AM   #30
4.7stroker
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Just a thought,
If the oil you are using is not good enough wouldn't it make sence to change the oil you are using and not bandaid an inferior oil with an additive?

Dwayne

Last edited by 4.7stroker; 07-13-2007 at 03:43 AM..
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