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Old Oct 8, 2005 | 09:08 PM
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Default Oil addictives

What addictives do you use on you're motor?Any addictives to avoid?
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Old Oct 8, 2005 | 09:19 PM
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I use the BG stuff the dealership's sell. I don't pay retail though since i know a local supplier. Expensive stuff if you get it from a dealership, and i'm not really sure if it works or not.. but i don't mind spending an extra $5 if i'm doing the oil change.


Edit: BTW Seafoam is a GREAT topend cleaner,i use it ever two oil changes

Last edited by Mssingkid; Oct 8, 2005 at 09:31 PM.
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Old Oct 8, 2005 | 09:21 PM
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lol, if you mean additives, I personally would stay away from them. I think any good oil has enough already in them, and with good mainteneace you don't need them.

Quick story; You have heard of the "restore" additive for high mileage engines, right? Well my 3rd gen had 180k ish, so I figured what the hell and dumped a can in. It was a real rich blue color going it. Well at about 210k I had to pull the intake to fix a leak and what do i find? Spotless lifter valley, you could eat off of it, except for this big clup of blue stuff they has settled over two oil drain holes. I guess the cylnder walls were good enough that it didn't really do anything and wound up here. After scooping up this crap I swore I would never use another 'additive' again.

This is not to say all additives are bad, maybe others can jump in with some positive results from some products
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Old Oct 8, 2005 | 11:40 PM
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I think even in the owners manual it sais dont use additives.
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Old Oct 9, 2005 | 07:34 AM
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Lots of race teams run Poly Dyn TX7 additive with great success.
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Old Oct 9, 2005 | 10:57 AM
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Originally Posted by Patrick G
Lots of race teams run Poly Dyn TX7 additive with great success.
that is a weird name, sounds like a top secret plane or something
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Old Oct 9, 2005 | 11:54 AM
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I use this new crazy magical stuff. I hate to tell you what it is because then it will be in short supply.
But for brother C5ers, Ill whisper it.

Mobil one.

ON my old car, I used to put in marvel mystery oil 500 miles before an oil change, But I really think it's a waste.
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Old Oct 9, 2005 | 12:33 PM
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Good oil at reasonable change intervals doesn't need additives. Anything you add to your car that can't show quantifiable changes are likely wasted money.
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Old Oct 9, 2005 | 01:03 PM
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Sand.

A good synthetic oil has all the additive package it needs to run 6K or more miles. Just about anything else is at best a waste of money, at worst is keeping your oil from lubricating as effectively by diluting it.
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Old Oct 9, 2005 | 01:15 PM
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what about lucas oil tretment?
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Old Oct 9, 2005 | 02:43 PM
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Lucas doesn't do anything but thicken up the oil. I use to be into the additive thing, and there are still a couple out there that actually work a little(Marvel Mystery Oil and Rislone), but most of it is snake oil.

But, there is an additive that does exactly as advertised and is no gimmick. www.auto-rx.com. It's a little pricey, but it works very well with no side effects.

Jason
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