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I'm using MOBIL 1 Super Synthetic and I have 30,000 miles on my car and I burn oil when I get it into VTEC or around 6000 RPM I heard that I shouldn't be using synthetic cause it will find ways to get out which meaning that its getting by the rings and valves. Anyone having the same type problem? I usually drop a new quart into the motor every 2 weeks depending how many times I go into VTEC it sucks it right out. I have a factory warrenty I'm just curious if this is normal since I'm using MOBIL 1 Super Syn. Anyways please help me so I can talk to the techs up at the acura dealer.
 

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what color is the smoke?

Also, you hit VTEC at 4500RPM...

I've been using valvoline full sythnetic (5W30) since my car was new. The one time I had my oil changed with mobil 1 (5w30) I noticed that my car was puffing out a bit of dark smoke when I pulled out of my driveway during cold starts. It really pissed me of. I've since gone back to the valvoline full synthetic and haven't used any oil.
By the way, I have 25K on my car.
 

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or 4400 RPM. Castrol Syntec here, my car was at 35K when I started using it (Thats when I got it.) Haven't had one problem with it.
 

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if you thump the car a lot (meaning take it to the redline) synthetic will burn off. That's just a fact of life. your cams/rockers and bearings would appreciate it if you continue to keep topping up...let that slide and you're looking at a hefty rebuild bill when it comes time.

Synthetic doesn't breakdown as easily at high heat for the same weight of oil, protects longer than regular oil, and some have wear additives (zinc and molybdenum or moly for short) that protect the engine further should there be a situation when there is no oil between metal to metal contact. The old Mobil 1 tri-synth had less wear additives compared to the new Mobil 1 Supersyn.

if you want less burn off, use 10W40 synthetic.

You won't get burn off with regular nonsynthetic dyno oil but you have to be religious in changing it at the prescribed interval since it can break down much easier than synthetic. Go to Valvoline not Castrol if you plan on going nonsynthetic. That's just an opinion based on feedback from motorcycle racing guys with 14k rpm redlines and who have tried both. if Castrol works for you then stay with it. Synthetic just allows you to push the change interval a little longer... but if you stick to a 30 weight, you'll have to top it up more often....and that's if you thump on her a lot.
 

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A quart every two weeks is pretty extreme regardless.
I get on it pretty often and only have to add about half a quart every month. I'm using Castrol Syntec 5w30.

Is there any merit in Amsoil? Or is that only for people with fat wallets?
 

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I used to use Mobil 1 Synthetic for my regular 3k mile oil changes. But somewhere on this site I read a thread regarding synthetic vs dino, and that synthetic oil (except "redline" + "amsoil") are about the same. So I changed my oil last month using "Valvoline Maxlife", and I see no problem what so ever. In addition, I believe that it is better in some ways such as lesser "oil burning" when running my car hard. Also I find that I save a lot of money in the long run =).
 

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I might sound dumb on this but what's the difference in redline and amsoil? Which is the better overall product? How much do they cost?
 

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a lot more zinc in amsoil. I've heard a lot of good things about amsoil but have never tried it. Their marketing suggests that amsoil burns off less. I pay $65 US for a case of Redline 10W40.

have you done a compression test (piston rings) and leak down test (valve seals) on your car recently? If not, it would be good to have a basis of comparison for the future (baseline numbers to compare to) and would give you an idea about the state of your engine. I would also pinch the PCV valve to see if it still clicks telling you that it'sworking. Look for oil stains down from the valve cover gasket and cam seals on your engine block.
 

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MObil 1 doesn't have any zinc in it. That's why I'm using Valvoline - it has a decent dose of zinc and it doesn't burn off at all between my oil changes.

2000GSR, try Valvoline full synthetic 5w30 and let us know how it works out for you.
 

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Mike D., well then I may have to give it a wirl. By the way, does anyone know where I can find the chemical breakdown of all the various motor oils? If anyone could post that URL, I'd appreciate it.
 

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I run Mobil 1 SuperSyn in my GSR and while I probably don't drive it as hard as you it hardly burns any oil whether it's in or out of VTEC. Sounds to me like something is up with your motor because that's not normal to be burning that much oil.
 

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well thats is an open ?
its a prefrence thing, not every one will like brand A same for brand B and so on...
this has been topic reposted (burned to the ground)so often maybe not in this thread but in other forums....
here a site for some real good info ...oil

here are some ?
how do you drive your vehicle?
do you do your own maintenace or take it in for service?
do you mind do oil chanegs say every 3k miles or would you prefer 5k miles?
do you like to spend evtra money for your vehicle for that extra insurance(peace of mind-comfort)
again this are some ?

gl on you choices
 
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