[Diy_efi] Re: Zinc and o2 sensors

[Justin justin]

Would 15w40 work good in motors that use 10w40?  Thanks - Justin

> ----- Original Message -----
> From: "John Smith" <dirtrider218 at hotmail.com>
> To: diy_efi at diy-efi.org
> Subject: [Diy_efi] Re: Zinc and o2 sensors
> Date: Sat, 04 Feb 2006 12:24:51 -0800
> 
> 
> 
> Alot of modern diesels have exhaust catalysts too, just FYI. A 
> tight engine will use such a paltry amount of oil that I doubt the 
> presence of Zinc could make them or oxygen sensors fail 
> prematurely. I have not seen any studies on it, though.
> 
> I use petroleum 15w-40 diesel oil in everything I have that can use 
> that viscosity. Its a good oil for air-cooled motorcycles with wet 
> clutches. The diesel oil has little or no moly which will glaze 
> over the  clutch and wreck it. Petroleum "motorcycle" oil costs on 
> average $5-7 whereas you can get a gallon of the other for that 
> much. I use the oil in my cars because I can get it in convenient 
> 4-gallon boxes at Costco. The most common brands I use are Chevron 
> Delo 400, Shell Rotella T, and Mobil Delvac. I've heard that the 
> synthetic versions of these are even better yet.
> 
> > Message: 2
> > Date: Thu, 02 Feb 2006 20:52:05 -0600
> > From: "Justin justin" <justin_email at lycos.com>
> > Subject: [Diy_efi] Zinc and o2 sensors
> > To: diy_efi at diy-efi.org
> > Message-ID: <20060203025207.0CA9E3384B at ws7-3.us4.outblaze.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > I have heard that using rotella and other diesel engine oils in gasoline
> > engines will make the motor last longer because of the higher zinc
> > content.  I have also heard that this will kill o2 sensors and catalytic
> > converters.  My application will not have cats but it will have an o2
> > sensor.  Do any of you guys know if this is true or not?  The motor is
> > freshly rebuilt so there really wont be any blow by.  Let me know what
> > you guys think.  Thanks - Justin
> 
> 
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