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can anyone let me know what is the best engine oil for 7 gen civic? mine is civic si (same as ex in the state). cos some of my friend said it is better to bring your own engine to service.


thx : )

 
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Brand? I'd say Mobil 1

 
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Do you want to go regular or synthetic. Regular- anything bt Pennzoil, Synthetic- Mobil1 or Royal Purple(if you can get Royal Purple use it, I use Mobil1 cuz nobody sells the other around here.

 
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I use the honda oil that comes in quarts myself. I have it changed at the dealer for 30 bucks. They say it's the same stuff that is called the "break-in" oil that comes in it from the factory. People seem to like the synthetics and some of the brands that sell for 5 bucks a quart. However, no real evidence has ever been shown to justify the common conclusion that syn is better.

 
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Mobil1 full synthetic

 
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Mbow: I have a lot of respect for you brother, but you are wrong on this one. Go HERE and read the info. It will blow you away. Then go buy some Royal Purple 5W20 and run it for a while. You will be a believer after that. I promise. It's what I run, and it DOES make a difference you can feel.

 
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isn't royal purple like 8 bucks a quart?

 
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Does that matter? I buy mine at jobber cost, so it's somewhat less. I'm telling you: the stuff works.

 
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I go with 5w-20 Castrol GTX, to me the best! Or like my man says you can
go to honda let them do it with 5w-20 Honda motor oil...here they will do
it for me for $20.......just about worth it than doing it myself, since my car is brand new.....

 
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use mobil 1 tri-synthetic oil its the best

 
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i use Castrol Syntec 5w-30... works good also, and Mbow.. syntec does last longer buddy..

 
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I'd like to see some independent testing done. The only test that has ever been run to my knowledge was the CR experiment with the taxi cabs in new york. Anyhow, yea is does last longer but who cares. The concern is wear, not the longevity of the oil imo. I am not saying that I am right, but I still have never seen any real evidence that syn is better. Maybe it's out there, someone point me in the right direction, just not to a syn oil producers own website.

 
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will the dealer put in mobil 1 if u ask them to?
or do they only have the honda stuff?

 
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I just ordered my case(12 1-quart) of Amsoil for $47.....There's also REDLINE full synthetic oil but that goes for $90 a case.....These are both 5-20 oils .......

 
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I use Valvoline 5w20. Some brands do suck (like Pennzoil), but then it comes down to matter of preference.

 
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Castol GTX 10w30!!! Oh yah!

 
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how many quarts do i need? i have ex sedan. i need a change oil tomorrow

 
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i get free oil changes from the dealer so i am at their mercy.....as for syn vs. regular.....my boyfriend is a mechanic and he says regular is better for your car then synthetic.

 
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Got news for you: your boyfriend is wrong. Click HERE and start reading. Then go HERE and click on Royal Purple Motor Oil. I will tell you, there is a tremendous difference in performance and a total difference you CAN FEEL.

 
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he said that synthetic is good for race cars. for everyday drivers...its not good. he also said there is no strong support to prove that what your little "commercial" claims is true. you buy into infomercials too?

 
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Are you talking to me? My office is right next door to the WD for Royal Purple in my neighborhood. These guys also happen to hold the land speed record for a small block Chevy. Here is their website. These guys know more about motors and going fast than anyone I've ever met. They have conducted independent tests and I have seen the results. This stuff works. I don't see how any person with a min of intelligence could possible think that natural oil with all the ash and crap that occurs naturally in it could be better than what basically amounts to super clean designer oil. Go figure.

 
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Both synthetic and conventional engine oils are typically made of a base oil (80%) and additives (20%). A conventional mineral base oil is produced through normal crude refining processes. By contrast, most synthetic base oils are produced from ethylene, an extract of both natural gas and crude oil. The ethylene is chemically transformed into low-molecular-weight hydrocarbons called alphaolefins. These molecules are then polymerized (i.e., linked together) to form the heavier polyalphaolefins that constitute the synthetic base oil.

These carefully selected molecules impart special properties to synthetic oils that offer significant advantages over conventional oils. Synthetic engine oils are available as full synthetics or as mixtures of synthetic and mineral base oils.

Although the superior oxidative and thermal stability of synthetic engine oil can extend oil life, auto-makers do not distinguish between synthetic or synthetic blend oils and conventional oils in their oil change recommendations. Therefore, extending the oil change interval beyond that recommended by the auto-maker could void the warranty. Also, contaminants such as road debris, acids and water tend to build up regardless of the oil composition; the best way to remove these contaminants is through frequent oil changes.

WHEN SHOULD YOU USE A SYNTHETIC OIL?
Although synthetic and synthetic blend oils cost more than conventional oils, their benefits may well justify the additional cost under certain driving conditions. Consider using a synthetic oil if you:

...drive a late model car, which is equipped with an engine that revs higher and runs hotter;

...place extra loads on your engine, such as trailer-pulling and hill-climbing, which makes an engine work harder, raising under-hood temperatures;

...idle for long periods in traffic, which accelerates deposit formation and engine emissions;

...start your car in very cold weather, a time when critical engine parts are most susceptible to wear.

 
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I find your statements offensive and without merit. No concrete evidence has ever been shown that synthetic motor oil is better than conventional. This is a fact! And the little website you keep posting is ludicrous. What would one expect to find there? I thought I was going to see graphs showing how convential is better than synthetic. But hey, with my intelligence....go figure.

I wanted to try the synthetic but have not done it yet. I knew before hand, and know better now, that there isn't any evidence to support the belief that syn is better. I was just looking for someone to convince me to try it. It's gotta make ya think about it though. No concrete evidence to support syn's claims....go figure!

 
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I didn't mean to offend. Sorry I can't give you what you want as far as "proof." I have all the "proof" I need sitting right outside the window. I won't get so bent out of shape as it shouldn't matter to me what type of oil you use. We all have our prefs I guess, and are entitled to them and we all (mostly) enjoy our cars no matter what we run in them for lubrication and combustion. So, good luck with whatever you run.

 
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the thing is you are going off PROOF because of what you SEE. ok so what if the company is right outside your widnow...doesnt mean they are the best and should be used. companies will print whatever they can to get you to buy their product and make you think its the best and you cannot live without it. i know this from working as a retail manager. i know how to make you buy something you dont need in the least bit. i suggest doing research.....not research from the company.

 
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The proof out my window in question is my car. I have all the "proof" I need right there. It makes a difference you can feel in the performance of your car. Just like the example of my gear oil being changed when I got my new clutch. The feel in the gear box is totally different with the Honda oil in there now. The difference was AMAZING.

Talk to some people that race their cars. Almost all of them are using synthetic of one type or another. The extreme conditions you mentioned before, well almost all of them apply to me. Super cold winters, super hot summers. Excessive wear and tear on the car from racing. Everyone admits that the oil change interval is longer (right?). Well what are the properties of the oil that makes that possible? The same that give you the benefits that the companies that manufacture the oil claim. In the industrial equipment arena there is hardly any debate about this issue anymore. There is all the proof you could want.

While I don't have the equipment to conduct testing that will satisfy you, I have tried both options and can tell you (why would I be BSing you?) that the difference is night and day. The two things that you can purchase that will help your car last a long time are quality gas and quality oil.

 
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Click Here

 
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I use Mobil 1 5w30. Lots of people use this oil and I'm perfectly happy with it. Plus its formulated for newer engines if that even makes a difference

 
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Here you go Mbow: GM High-Tech (scroll down on the right) has an article in the Jan 2002 issue. It is not online, but I will mail you a reprint if you PM me your address. Also, the AAA website has this to say: "Synthetic oils do lubricate better. However, given the high quality of today's conventional oils, the high cost of synthetic oils, and the other factors involved in determining oil change intervals (and therefore cost-per-mile), there may not be an advantage in using synthetic oils for normal operation. If you are putting a lot of stress on your oil, however, you might consider a change to synthetic oil and staying with a short change interval. This will provide the protection of synthetic oil, although your costs will increase. Those costs should be balanced against the possible cost of premature engine repairs due to excessive wear from harsh operating conditions." Here's the LINK to that.

It seems there is no question that syns lubricate better, and there are a number of reasons for that. Uniformly sized molecules, extremely stable, entirely free of undesirable impurities, NO traces of wax or ash, better resistance to thermal breakdown, better flow characteristics and performance, no pour-point depresents, and little or no VI improver. Conventional oils begin to actively decompose into vapor and sludge at 340 - 450 degrees. Syn does not and is far more resistant to long-term breakdown and thickening. For "normal" driving you should have no problem going double the recommended interval. Less wear at start-up, add HP and better fuel economy (1-2 mpg) US military uses exclusively syn, Space Shuttle, Aircraft manufacturers in jet turbine engines, GM mandated syn in the twin-turbo Calloway Corvette, etc. etc. etc. The article in GM High-Tech is superb. More HP and enhanced protection for my motor. What could be better?

 
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I really wasn't trying to argue that syn wasn't any better. I just wanted to see some credible evidence that showed its superiority. Like I said before, I have been wanting to try it and tried to at my first oil change. The advisor at the dealership that I have been going to for about 6 years now, basically refused to put it in my car. He had reasons but it pissed me off because he wouldn't do what I asked. Anyhow, the car we just bought my wife was always serviced at a different dealer and we are taking her's there for service. So, I will be doing my service there from now on. I am about 1000k away from the next change. I will let ya know what I think. I just really don't see how I will be able to tell any difference.

You just pissed me off with your "...min of intelligence..." remark.