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Old 09-23-2002, 09:36 PM
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Post dura-lube,slick50,whats the best?

There are a lot of engine additives out there, just kinda like to hear from others on their dealings with some of these additives...THANKS! Dave

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Old 09-23-2002, 09:53 PM
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Hi. All the oil co's say don't use em, maybe they know best. Dont spend it if it ain needed.
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Old 09-24-2002, 12:15 AM
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I just do a regular oil and filter change every ~3000 miles. I don't think the additives are worth the price as I don't really think they add that much to the effectiveness of the oil. Or not enough to be noticeable.
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Old 09-24-2002, 04:59 AM
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Like the others said, regular maintenance is the key. You could try synthetic oil.

Steve
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Old 09-24-2002, 06:27 AM
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don't use anything with PTFE, just regular dinosaur oil or synthetic, changed frequently. oil is cheap insurance.
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Old 09-24-2002, 06:35 AM
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Some of these "additives" are now involved in law suits because of fraudulant claims and are made up mostly of mineral oil. See the zMax suit. I agree with everyone else, use a good grade oil and change it frequently. I admit having used duralube and slick50 but have never noticed any difference in performance. As for engine life, how will you know for sure if it has any effect. That is why these companies can sell this stuff.

I have seen those infomercials where they drain the oil and hose down the engine with water and it keeps running. What if they didn't run the water in it to cool it? I bet it would overheat and die. clever trick eh grasshopper?
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Old 09-24-2002, 06:54 AM
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It's like I use to say about STP oil treatment, "shake the can and what you hear is how much good it does" HAHA.

Change oil on a regular basis and you'll be ok.
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Old 09-24-2002, 08:15 AM
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[quote]Originally posted by Mertz:
<strong>
I have seen those infomercials where they drain the oil and hose down the engine with water and it keeps running. What if they didn't run the water in it to cool it? I bet it would overheat and die. clever trick eh grasshopper?</strong><hr></blockquote>

Also you don't really know how long they actually run. It takes a while for the motor to overheat anyway. As for those special lubricants, I recall reading somewhere that one of drain-the-oil-and-it-still-runs products was actually tested by somebody who did that, the motor ran maybe 15 minutes or something like that before it was fried(seized up).
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Old 09-24-2002, 11:27 AM
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Had a high milage,good running 350 that didn't get oil pressure for 10 to 15 seconds on a cold Michigan winter morning. I added a quart of Duralube and got instant oil pressure for the rest of the cold winter. I wouldn't use it in a fresh rebuild until after 25,ooo of breakin.
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Old 09-24-2002, 11:51 AM
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Do you think that the Duralube did anything but change the vicosity of the oil so it was lighter at startup so the oil pressure could come up quicker. Probably a change to 5w30 would have done the same thing.
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