Recent content by RI_RS4

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    How long should a catalytic converter last?

    By law the catalytic converter has a warranty of 8 years or 80,000 miles.
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    2007-8 Audi RS4 Oil specs

    Gary is correct. RLI is good oil, but it is not approved. I've not posted for quite some time. In the interval, intake valve carbon deposits has become quite a problem on all Audi, VW, and Porsche direct injected engines, necessitating intake manifold removal and cleaning of the manifolds and...
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    what do you guy`s prefer mobil-1 5W-30 or 0W-30?

    In general, the 5W30 oil will be more shear-stable and have lower deposit formation than the 0W30.
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    Lambo Murcielago RLI at 1,800 mi., 0W-20

    Originally Posted By: AEHaas I stirred up another nest at FerrariChat: http://ferrarichat.com/forum/showthread.php?t=261907 You are a stinker, Ali.
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    RLI Bio-Syn 0w-30 - 7,510 miles -'06 Camry 2AZ-FE

    Built_well, If you are concerned, have a professional give you an opinion. You can have a Dyson interpretation done on your Blackstone UOA. All of the questions you have concerning TAN ... etc, will be answered. http://www.blackstone-labs.com/dyson-analysis.php
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    RLI Bio-Syn 0w-30 - 7,510 miles -'06 Camry 2AZ-FE

    Built_Well, if you replace Biosyn with Biosyn, the anti-wear layers will not be removed. It's the same chemistry. The only time the layers get replaced is when a new, significantly different chemistry is introduced. The high TAN number is causing no ill effects. It will come down on the next...
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    RLI Bio-Syn 0w-30 - 7,510 miles -'06 Camry 2AZ-FE

    Originally Posted By: Built_Well Originally Posted By: RI_RS4 I'd suggest the RLI 5W30 instead of the 0W30 in your climate. You don't need a 0W oil in Missouri, and the 5W30 will be an oil with lower volatility and lower deposit formation Thanks RI_RS4 and Doug_Hillary for your...
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    RLI Bio-Syn 0w-30 - 7,510 miles -'06 Camry 2AZ-FE

    Originally Posted By: FZ1 No,man. BW saw better and accepable performance from the PP at a much better price. He's making the right call. I ain't runnin' no faux oil in my car! I want the real thang! FZ, there is not enough data on either run of oil to make an informed decision. The engine is...
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    RLI Bio-Syn 0w-30 - 7,510 miles -'06 Camry 2AZ-FE

    tdi-rick No, there is no Lead in RLI formulations.
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    RLI Bio-Syn 0w-30 - 7,510 miles -'06 Camry 2AZ-FE

    I'd suggest the RLI 5W30 instead of the 0W30 in your climate. You don't need a 0W oil in Missouri, and the 5W30 will be an oil with lower volatility and lower deposit formation. The other alternative is the 5W20, if you're willing to go to a lower viscosity oil. It takes about 2 oil changes...
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    Optimal kinematic viscosity for mimimal wear?

    Originally Posted By: friendly_jacek The example of racing is poor as as racing is all about max power at the expense of wear. Racing engines are torn down after each race and rebuilt. Wrong. In a 17 race season, a Formula one driver is allowed 8 engines. These engines are sealed prior to and...
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    Measuring an engine oils friction coefficient

    Originally Posted By: CATERHAM Quaker State claims their Q-Racing series of racing oils have a lower friction coefficient than their competitor's oils. Apparently the friction level at various oil temps is measured on a "High Frequency Reciprocating Rig" whatever that is. Anybody heard about...
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    Mobil 1 - Is a higher end Synthetic

    Originally Posted By: Art_Vandelay I'm saying that a base stock made from 1. Group III and IV synthetic oil is better than a base stock made solely from 2. Group III. You can forget about Mobil 1 if that is what bothers you. Any base stock that fits into criteria 1 will be better than...
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    Mobil 1 - Is a higher end Synthetic

    Originally Posted By: Art_Vandelay Originally Posted By: RI_RS4 Exactly ... superior is subjective Do you think synthetic is superior to dino? Not necessarily. It depends on the subjective criteria.
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    Mobil 1 - Is a higher end Synthetic

    Originally Posted By: ARCOgraphite Cooking analogy: You need good ingredients to make a great tasting dish, but you gotta know how to put em together. There was this fantastic Italian Restaurant in the North End of Boston I frequented in the 80's called Sorrento's. The chef could make a 'gravy'...
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