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Fuel and Oil Additives

1246 messages,  Last post on Sep 28, 2009 at 7:37 AM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Fuel System, Engine, Fuel System, Oil, Diesel, Fuel Efficiency (MPG)


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#1187 of 1246
Re: Here we go again... [shipo] by Mr_Shiftright HOST
Apr 05, 2009 (8:55 pm)
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Replying to: shipo (Apr 05, 2009 6:32 pm)

When I was working on cars at a friend's shop, I also refused to deal with an engine that was doped with STP. I told them to have it all dunked chemically before I touched it...or I told them I'd just open the engine and shake all the parts into the trash can and start from scratch.
#1188 of 1246
Re: Here we go again... [shipo] by isellhondas
Apr 06, 2009 (9:08 am)
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Replying to: shipo (Apr 05, 2009 6:32 pm)

Valvoline used to yield the same results as the Penn brands.
 
Havoline was the best! You take apart a 100,000 miles engine and with a shop rag, wipe out the oil pan!
 
STP was the WORST stuff yet there was a time it was quite popular.
#1189 of 1246
Re: Here we go again... [isellhondas] by shipo
Apr 06, 2009 (11:10 am)
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Replying to: isellhondas (Apr 06, 2009 9:08 am)

Interesting, back in the 1970s when I was wrenching I never once saw a sludged Valvoline motor (errr, at least one that had oil that had been changed at reasonable intervals). I agree though, back then the Havoline was the best of the mineral oils.
 
Best regards,
Shipo
#1190 of 1246
BP Busts RP slick claims by basspro
Apr 09, 2009 (6:29 am)
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Hi all, I just read a article in "Lubes and Greases" where RP got their respective slick words in the ringer. They(RP) have agreed to back off on how great the oil is. I have been using the stuff for years and all my oil analysis say my engines like it too.
  I have always found it interesting that oil company's cannot help slicking it up in their ads and I guess we ask for it, by increasing their sales when they do it.
  I assume that BP filed the law suit because PR must be getting thir sales up enough to have an impact on some of the other big guys.
#1191 of 1246
Re: BP Busts RP slick claims [basspro] by kurtamaxxxguy
Apr 09, 2009 (1:42 pm)
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Replying to: basspro (Apr 09, 2009 6:29 am)

One oil engineer I've talked to says RP's pretty decent, as did a Rally group here in Portland.
 
But I'm not using synthetics. Stuff I use helps oil resist high temperatures and slows Oxidation; company's light on testimonials and heavy on what appears to be solid engineering data (as chem tech, I did some of the high temperature tests they describe).
#1192 of 1246
Hy-Per Lube by kurtamaxxxguy
May 03, 2009 (9:50 pm)
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These folks introduced in 2/09 a zinc-replacement oil additive called ZINC.
 
It claims it's a polymer product that reduces engine friction, but does not add zinc or phosphorus to the oil (the latter 2 can apparently poison cat converters).
 
Comments?
 
FYI, their other products had a look and "viscosity feel" similar to STP.
#1193 of 1246
Re: Hy-Per Lube [kurtamaxxxguy] by shipo
May 04, 2009 (2:49 am)
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Replying to: kurtamaxxxguy (May 03, 2009 9:50 pm)

Why on Earth would someone consider using a product such as this when engines will already outlast the rest of the vehicle with just regular maintenance?
#1194 of 1246
Re: Hy-Per Lube [shipo] by Mr_Shiftright HOST
May 04, 2009 (6:19 am)
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Replying to: shipo (May 04, 2009 2:49 am)

A question I ask myself frequently. It's really the *rest* of your car, not the engine, that needs help getting to old age.
 
I guess the reason is that no one has invented an expensive front suspension & brake additive? How about a pill that extends the life of your electric windows?
#1195 of 1246
Re: Hy-Per Lube [kurtamaxxxguy] by kurtamaxxxguy
May 04, 2009 (9:34 am)
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Replying to: kurtamaxxxguy (May 03, 2009 9:50 pm)

The only product I would (and do) use is one that helps prevent oil breakdown/coking at high temperatures (my motor has a turbo).
That product received actual testing, not glorified worthless "testimonials".
 
For sure, the FTC tested many additives and found them worthless.
 
http://www.hotrod.com/pitstop/hrdp_0702_pitstop_zinc_oil_additive/index.html
 
describes how zinc protects engines.
This has nothing to do with hy-per lube's additive, btw, because hy-per lube Zinc has no zinc.
 
http://skepdic.com/slick50.html
 
explains what's in many of the additives, and how ineffective it is.
#1196 of 1246
Re: Hy-Per Lube [kurtamaxxxguy] by shipo
May 04, 2009 (10:53 am)
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Replying to: kurtamaxxxguy (May 04, 2009 9:34 am)

What you're missing in all of this is that Zinc is poisonous to your catalytic converter and that new oils are formulated to provide the same protection without zinc. Said another way, there's no way I'd use this product in my engines.
 
As for a product that prevents oil breakdown / coking at high temperatures, to say that I'm skeptical is a gross understatement. From my perspective after owning a number of turbocharged engines, use the manufacturer recommended oil with no additives (I suspect that your Owner's Manual recommends against additives) and you should be good to go.

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