synthetic blend VS. good quality regular oil?

[slimmy07]

keep in mind they say if you use syntheic you dont have to change your oil every 3,000. so in the long run the extra couple of bucks might be worth it to you

[BlazerLT]

When you do the calculations, running synthetic is actually cheaper if you extend and use the proper drain interval for synthetic.

[vtmecheng]

Dont know where you guys heard Castrol isn't good stuff and that Mobil 1 is great. Someone is blowing smoke up your ass, or you just like the NASCAR commercials. A good friend of mine did the testing of synthetics for US Navy engine use and here is what he found...Castrol and one other brand were top performing, both in there ability to lubricate/protect and longevity. On the other hand, Mobil 1 was one of the worst. It was so bad that Mobil 1 had to change the wording of there claims due to the results. End result, if the guy that does oil testing uses Castrol that is good enough for me. If you would like for me to explain the actual scientific reason for not changing to full synthetic with after a lot of miles on mineral oil just ask, as a mechanical engineer I live for this stuff.

[kenwood guy]

I just use normal oil its just a sales pitch to me then again I have an engine with 200,000+ miles

[BlazerLT]

Originally Posted by vtmecheng

Dont know where you guys heard Castrol isn't good stuff and that Mobil 1 is great. Someone is blowing smoke up your ass, or you just like the NASCAR commercials. A good friend of mine did the testing of synthetics for US Navy engine use and here is what he found...Castrol and one other brand were top performing, both in there ability to lubricate/protect and longevity. On the other hand, Mobil 1 was one of the worst. It was so bad that Mobil 1 had to change the wording of there claims due to the results. End result, if the guy that does oil testing uses Castrol that is good enough for me. If you would like for me to explain the actual scientific reason for not changing to full synthetic with after a lot of miles on mineral oil just ask, as a mechanical engineer I live for this stuff.

Do you even know what you are talking about or are you just taking you buddy's word as gospel here.

Castrol Syntec is not even a true synthetic.

[vtmecheng]

I am not just taking the words of a random mechanic or engineer as true. He helped head the oil testing for the US Navy, making him a very reputable source. With that said, I really don't care how the oil is made as long as it works really well. The fact is, Castrol works better then Mobil 1. Now that I have revealed the source of my information please do the same BlazerLT. You can't expect me to just believe you without the source of your information, that would just be stupid.

[BlazerLT]

So you think that I am lying that it is not a true synthetic?

[vtmecheng]

I am in no way saying you are lying, just want to know where you got your information. I especially want to know how you got the idea that Mobil 1 is better then Castrol. If you think it is because Mobil 1 is considered a "true synthetic" then that is very nerrow minded.

[BlazerLT]

OMG, are you serious?

Castrol Syntec is a hydrocracked conventional motor oil.

Mobil 1 is a synthetic PAO based oil which is composed of components that are not from standard motor oil.

Want proof, read here....

http://www.1st-in-synthetics.com/articles60.htm

[vtmecheng]

Correct me if I am wrong but isn't that website article from Amsoil, which would be a competitor of Castrol. I am not disagreeing with you in that Castrol Syntec is a hydrocracked motor oil but no where do I see actual numbers from evaluation tests. I could care less if the oil is synthetic based, hydrocracked, or whatever, I only care what works better according to a reliable, non-partial organization's tests.

[BlazerLT]

http://www.1st-in-synthetics.com/10W30API.htm

[vtmecheng]

Again you are relying on the views of a competitor. The website "1st-in-synthetics" is by AMSOIL inc. You do realize that anyone can post anything they want on the web without regulation. Don't believe everything you read there chief. Let me reiterate, I don't care if Castrol is a "pure" synthetic, hydrocracted conventional (you really should use the word "mineral" there is no such thing as a conventional oil) oil, or made from the crack of an animal's as@. All I care about is that it works according to a non partial third party test, like the US government.

[BlazerLT]

I'm not wasting my time with you.

I could show you 100s of websites and you would weasel something out of it to say it lacked credentials.

Use what you want, I will ue proper synthetic.

[vtmecheng]

wast your time? I am always up for new information and love to read info but you never showed me an impartial thing. I am not trying to argue with you, just get the real facts on what is better. The real thing we should be looking for is what will keep our trucks running for years to come at a reasonable price. Every company wants us to believe there competitor is crap and they are great so we have to get past all the claims and word twisting to find out the main thing we all want, what works. I hope you do not take me as argumentative but someone that wants to know the important truth and not what the companies call there product or claim they can do.

[BlazerLT]

Ok, honestly, try this forum out, all they do is oil and they test every oil out there mostly.

http://theoildrop.server101.com/ubb/ultimatebb.php