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it was run in my GSR from 200 miles to 110k miles, when i bought it fro mmy cousin. whjen i pulled the motor apart everything was in excellent shape. the oil did its job.

he ran it abot 5000 miles between oil changes.

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Even if Amsoil is a great line of engine fluids and lubricants, the way the "independant dealers" pitch it, it ends up sounding like some Amway-like product. I'll stick to my auto-parts store "big name" oils and change them regularly, and I know I'll be fine.
 

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Because it IS like Amway... lol. Amsoil began life as a pyramid-selling product... $41 or something bought you a 'dealership'... :lol:

Check out Torco (www.torcoracingoils.com).... i've been giving this stuff a shot lately, and so far it is looking like a great product in everything i've put it in (even my karts, which will give you a more immediate response to how good an oil is or isn't). And while i have not actually tested it, they claim a dyno-proven hp gain over several oils out there, and a professor that i know of here at UCF has touted Torco as being better than a lot of oils out there. He did a paper on it not too long ago.

Don't mess with Royal Purple by the way.... i've got a neat story about that crap, and i'll never use it again because of it :evil:
 

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ryan_long_01 said:
Even if Amsoil is a great line of engine fluids and lubricants, the way the "independant dealers" pitch it, it ends up sounding like some Amway-like product. I'll stick to my auto-parts store "big name" oils and change them regularly, and I know I'll be fine.
Yeah, that's the reason I don't give it a second look. I have a very good friend who swears by it. His whole family does. His dad uses it and changes his oil only once a year. And his cars always last a long time. But because of their whole marketing scheme, I will never buy an Amsoil product...ever.
 

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Oh fine... lol.

Ok, so one of my customers who has a very bad-ass racing engine came in for some work... part of this work was removing the oil pan for some welding... Well, this guy changes his oil religiously at about 2000miles (turbo car). I know it had very fresh oil in it when it came in. The car hadn't been run in about a month though.

I drained the oil, and dropped the pan. There was at -least- 1/8" of sludge at the bottom of the pan... it looks like something in the oil separated, like whatever additive they use separated in the oil, and it went to the bottom. I went through about 2 cases of brake cleaner trying to get this crap out of there, and it was still not breaking up... that includes even letting it sit with degreaser in it... nothing would break it down it seemed.

So yea.. i'll never touch that crap ever again.
 

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I've been using Amsoil for a couple years now...on my 02 Protege.
Specifically, the Series 2000 0w-30. I never expected an oil to make an appreciable power difference, but it did. And my fuel economy went up about 12-15%. The only time I've had access to engine internals was when I had the valve cover off to install a cam. It was pretty damn clean.
 

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crxfisher said:
Yeah, that's the reason I don't give it a second look. I have a very good friend who swears by it. His whole family does. His dad uses it and changes his oil only once a year. And his cars always last a long time. But because of their whole marketing scheme, I will never buy an Amsoil product...ever.
There are so many guys on car forums hawking this stuff, that it's very hard to know if you can believe what people say about it -- too many people out there with a financial interest in making the stuff sound like the second coming of Christ, so while all the stories about how great the stuff is COULD be true, I won't risk it. I'm not the kind of guy that has any desire to leave oil in my car for a year anyway...I'd much rather buy regular old cheap dino juice and change it as recommended by Honda.
 

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ComposiMo said:
Oh fine... lol.

Ok, so one of my customers who has a very bad-ass racing engine came in for some work... part of this work was removing the oil pan for some welding... Well, this guy changes his oil religiously at about 2000miles (turbo car). I know it had very fresh oil in it when it came in. The car hadn't been run in about a month though.

I drained the oil, and dropped the pan. There was at -least- 1/8" of sludge at the bottom of the pan... it looks like something in the oil separated, like whatever additive they use separated in the oil, and it went to the bottom. I went through about 2 cases of brake cleaner trying to get this crap out of there, and it was still not breaking up... that includes even letting it sit with degreaser in it... nothing would break it down it seemed.

So yea.. i'll never touch that crap ever again.
I changed my oil pan gasket about a month ago, and found no sign of sluging what so ever in my oil pan. I've been running Royal Purple in my car for two and half years now. I dont run a race engine but have never had a problem with sluging. Im sticking with my Royal Purple for now.

Now, about Ams, Talking with a local dealer out here, he says that its more of a truck or full racing oil. Thats why im thinking of putting it in my truck to see if i cant get some more gas out of it.
 

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I have never used amsoil, but i do remember seeing their displays..

I have been a quakerstate man for quite some time, but just recently I have been running castrol... this last oil change, I put in a bottle of Lucas Oil in with my castrol.. 3 qts castrol, 1qt Lucas... My rings in my ZC, and most likely my valve stem seals, have been leaking a little oil.. I have been getting a few tiny puffs of smoke between shifts when I have been running the car hard (most all the time! :D ) A friend behind me said he noticed a little smoke anyways.. It hasnt been smoking lately since the oil change with the Lucas oil.. so that seems to be doing its job...

Later

Sneak
 

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Dodo said:
I changed my oil pan gasket about a month ago, and found no sign of sluging what so ever in my oil pan. I've been running Royal Purple in my car for two and half years now. I dont run a race engine but have never had a problem with sluging. Im sticking with my Royal Purple for now.
And thats the way oil stuff goes... ya either believe in it or ya don't. After what i saw, i definitely don't believe in that stuff... if you haven't been getting sludging, well congrats! Maybe its cause his car sat for some time, and the oil never got a chance to mix the additive back into it... who knows. It'd be neat to drain your oil at your next change, put it into a tupperware container, and let it sit for at least a month compltely still... then gently pour the oil out, and see what remains... if i had a junker here to do it with, i would, but i'm not gonna put that stuff into my car. hehe.
 

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Full synthetic Mobil 1 is all my d16a6 has seen for tens of thousands of miles and it runs like a champ at 125k miles and I do not baby it. Honda MTF in my transmission, and everything is reliable and happy. I like synthetic because since honda has good manufacturing techniques, meaning well toleraced engines, it makes sense to run low viscocity sythnthetic which does not break down as easily as regular oil.
 

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Discussion Starter · #16 ·
if you put in a full synthetic after running a gunky regular oil the new synthetic will break off the old oil and gunk that is on the motor. that could have been the sludging. or maybe it just mixed wrong with whatever was in it before.

i saw on TV where a stock SS camaro gained 8 brake hp after changing over all of its fluids to the purple stuff. i'm guessing amsoil and mobile 1 do the same.
 

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Ya, the sludge comes from the parrafins used in cheap oil. Its builds up on the surfaces over time when the oil heat cycles and breaks down. It can really reduce the cross section of your oil passages, similar to greasy food clogging your arteries.
 

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Dren said:
i saw on TV where a stock SS camaro gained 8 brake hp after changing over all of its fluids to the purple stuff. i'm guessing amsoil and mobile 1 do the same.
You watch HorsepowerTV!
 

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jmart said:
Ya, the sludge comes from the parrafins used in cheap oil. Its builds up on the surfaces over time when the oil heat cycles and breaks down. It can really reduce the cross section of your oil passages, similar to greasy food clogging your arteries.
I don't know guys, my Toyota RAV 4 passed 200,000 miles on oil changes every 5000 miles and engine was still fine.

My modified crx that I race I use synthetic since I rev it so high and run it so hard but I think that under most circumstances, it doesnt matter a bit. There was a double blind study done in NYC cabs that showed not significant difference after a year. Just my 2 cents.
 
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