[Diy_efi] O2 sensor mounting

[Rick McLeod]

I honestly don't believe it matters, as I've an Z/28 that original equip was about a 30* upward angle, unheated and w/ that arrangement it never did 'eat' sensors. But there again, better than normal factory manifolds, not perfect, but also a hi-perf tuned mill, so that may make a difference over a lethargic Buick Century.


----- Original Message ----
From: Frank McCracken <frankmccracken at shaw.ca>
To: diy_efi at diy-efi.org
Sent: Monday, April 16, 2007 3:48:56 PM
Subject: Re: [Diy_efi] O2 sensor mounting


So that makes me think, Is it just the non-heated O2 sensors that need to be
mounted pointing downwards?
Frank.


----- Original Message ----- 
From: "Frank McCracken" <frankmccracken at shaw.ca>
To: <diy_efi at diy-efi.org>
Sent: Monday, April 16, 2007 11:18 AM
Subject: Re: [Diy_efi] O2 sensor mounting


> Thanks guys, it is a heated sensor. And it is a bit of a function over
form
> machine..... not quite a track beater tho.
>
>
> ----- Original Message ----- 
> From: "Rick McLeod" <dunvegan at sbcglobal.net>
> To: <diy_efi at diy-efi.org>
> Sent: Monday, April 16, 2007 9:21 AM
> Subject: Re: [Diy_efi] O2 sensor mounting
>
>
> > I personally would hide the sensor, and as for the condensation thing,
I'm
> not too sure I buy that rational, as there isn't going to be a major temp
> difference when running at normal op temp, in all the reading on these
I've
> done I've never see or read anything that directly discusses position vs.
> longevity, which is what I believe the condensation theory is based on.
> Furthermore, if that is a major concern, maybe using a heated element
would
> also minimize the concern, works when they're mounted significant distance
> from the exhaust port during cool weather, but from my experience w/ good
> 4>1 headers the temp at the collector tube is still reasonably high, so I
> can't imagine you're gonna see any problems.
> >
> > good luck, just my 2 C worth, cheers
> >
> >
> > ----- Original Message ----
> > From: Frank McCracken <frankmccracken at shaw.ca>
> > To: diy_efi at diy-efi.org
> > Sent: Monday, April 16, 2007 10:55:45 AM
> > Subject: [Diy_efi] O2 sensor mounting
> >
> >
> > I am installing my Hooker side exhaust on my '65 Corvette. I would like
to
> mount my O2 sensor at about 5:o'clock in the 4" tube so that it will be
not
> hanging out there. The collector with this system is outside of the
fender.
> My choices would be on top or down low on the inside to hide it. I hear
that
> it should be pointing down so condensation will run off. The sensor has
been
> at about 4:o'clock in my old system for the last 2 years will no ill
efects.
> If it's gotta hang out so be it. What should I do, anyone?
> > Frank
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