0-30 is fine. I also run 0-30 in my 350Z. I am using Amsoil currently but due to costs, I am switching to Penzoil Plat on my next oil change. The benefits over the cost isn't important to me anymore. PP will protect it better than most oils.

 

Amsoil FTW!!!

 

We've never lacked for opinion over substance on this forum, and most of us have replaced substance and statistical "proof" (there is no such thing as proof in inferential statistics) with uncomfirmed reporting. The American Petroleum Institute's standards for oil no longer are considered the "Blue Ribbon Standard". For example, the European Association des Constructeurs Européens d'Automobiles has developed much higher standards for engine oil based on high performance European cars. Likewise, The Japanese Automotive Standards Organization (JASO) has seen the API standards (which is the US Bible on oils) as substandard and has moved towards developing their own motor oils. Car manufacturers in Japan and Europe (VW and Mercedes specifically-- 2 car manufacturers with extremely low reliability ratings I might add) are designing engines that may soon require oils rated much higher than our current Mobil 1's, German Castrols and Quaker States. This doesn't answer your question I know. For your purposes, most of us use synthetics and there is no credible research that indicates, unequivocally that one synthetic is superior to another. The tests Amsoil runs, for example, are not accepted by other synthetics manufacturers as proof of superiority over Moblil 1 or Royal Purple. The only true test is how the oil performs with your car, your driving style, whether you live in dusty and dry areas or in humid terrain, etc., etc. I've had 3 cars that have exceeded 300K miles each (one >500K), all on regular Castrol: I run Mobil 1 on my G and Acura.

 

Probably why he's basing his list on the oil analysis results posted here and on the Z forums.

 

+1

just because someone posts an answer doesn’t mean it’s an "opinion" - often it is based on statistical/data research

 

If you're referring to my response, I'm not sure this is what is being suggested.

 

has anyone tried leading edge lube www.lelube.com...I've asked on a previous post, but the post died out before getting any replies. I've been thinking about trying it out after a review i read about it on importbuilders.com/blueprintracing.com...lemme know whay you guys think?

 

heres a link to the page the review is on...its about 3/4 down

http://www.importbuilders.com/buildingbestturbo.htm

the guy seems very biased, just want to know if there's any truth to it

 

+2. I am going by all the tests that have been done on many cars with different oils. I see them all the time on bobistheoilguy.com forums and PP is the best store bought oil you can find right now with the best test results (as in blackstone labs, etc). The other ones that are not store bought obviously are better, but also harder to get and more expensive.

 

They want you to think it is....

 

any say on eneos?

 

Any brand of decent synthetic oil will increase power. There's nothing ground-shaking, or unique about that. If your vehicle is 2005 or newer, you will find that to maintain the warranty, the owners manual will specify up to date API SM rated motor oils. If you look on a bottle of RP 5W-30 or 10W-30, you will find it is an older API SL rated oil and not intended for 2005 + vehicles.

 

Well for my own .02, Ive tried many oils in many different vehicles from my bike to my boat. While I haven't tried RP yet except in my boat tranny, Amsoil for now is what I'm using. I like it over Mobile 1 for durability and overall performance. I've noticed cleaner oil after changes and quieter running motors. PP I dont really care for other than the price. I didn't see any evidence to otherwise to keep running it. Actually I spun a rod bearing in my Big Block after only 1k miles using it. I know there are other contributing factors there, but after a rebuild by the same guy and running Amsoil its been running like a champ for two seasons. I'd like to try Motul or Redline next. Redline is well know in the snowmobile scene as well as Amsoil.

 

PP would not cause your engine to spun a bearing. Your engine had a problem before that oil. PP is one of the best oils you can get now below Amsoil. It is better than M1 for store bought oil.

I can promise you Amsoil in your engine would have not saved your bearing from failing. The builder did something wrong when building the engine and it failed.

 

Subject change: Just wondering, how many oil threads have we seen on this subject? We've covered identical material, the opinions (absent facts or notwithstanding the facts) are ingrained in many of us and most say the same thing (worded differently) from thread to thread and some from forum to forum. The same debate has occurred in several other forums (boat, farm tractor, snow-mobile, 18-wheeler, etc.), always with almost the same results. On this forum alone, there are likely >1000 posts on this subject.

Are we....beating a dead???????????????[/FONT]