[DeTomaso] Techno Question: Bung placement on headers for A/F sensor

cengles at cox.net cengles at cox.net
Mon Aug 18 08:22:04 EDT 2014


Dear Julian,


           That is helpful and thank you.  I am a bit confused as to 
whether there is difference between the sensor for the A/F ratio meter 
and the sensor for EFI.   Are they both the same oxygen sensor?

                           Warmest regards, Chuck Engles



On Sun, Aug 17, 2014 at 9:39 PM, Julian Kift wrote:

  Some useful information in this installation guide;

http://wbo2.com/lsu/lsuinstal.pdf

Julian

> From: cengles at cox.net To: doug351c at gmail.com; davel at emspace.com; 
> detomaso at poca.com Date: Sun, 17 Aug 2014 20:55:18 -0500 Subject: Re: 
> [DeTomaso] Techno Question: Bung placement on headers for	A/F	sensor
> Dear Dave,
>
>           So to rephrase what you said (which is very interesting), 
> the further down the exhaust the better the sensor reads and reads at 
> lower rpms.   Therefore, the best point is as far back as possible, 
> i.e. just before the muffler?
>          I have read that the Innovate is supposed to be the fastest 
> sampling or testing unit.  Does that have any bearing on your 
> recommendation for a bung further down the exhaust pipe to obtain 
> better readings?
>
>                           Warmest regards,  Chuck Engles
>
>
> -----Original Message----- From: DeTomaso 
> [mailto:detomaso-bounces at poca.com] On Behalf Of doug351c Sent: Sunday, 
> August 17, 2014 3:17 PM To: Dave Londry; detomaso at poca.com Subject: 
> Re: [DeTomaso] Techno Question: Bung placement on headers for A/F 
> sensor
> Dave,
> By "outlet" do you mean header collector flange?
> Doug Braun blue 73L #5505
> -----Original Message----- From: DeTomaso 
> [mailto:detomaso-bounces at poca.com]On Behalf Of Dave Londry Sent: 
> Sunday, August 17, 2014 1:05 PM To: detomaso at poca.com Subject: Re: 
> [DeTomaso] Techno Question: Bung placement on headers for A/F sensor
>
> That is good stuff Chuck and giving all that info first priority, 
> the farther you are from the outlet - the lower the rpm at which 
> you'll get stable A/F readings. The reversions in our short exhaust 
> systems are really fierce. Below about 1700 rpm I get nothing but 
> crap. dave
>
> On 17/08/2014 12:03 PM, Charles Engles wrote:
>>     Dear SOBill, Jerry, Asa and Mike
>>
>>
>>                         Great minds think alike and experience makes 
>> the     optimal location so much easier to pinpoint.   Thanks!
>>
>>
>>                                         Warmest regards,  Chuck 
>> Engles
>>
>>     From: SOBill at aol.com [mailto:SOBill at aol.com]     Sent: Sunday, 
>> August 17, 2014 12:02 PM     To: cengles at cox.net; detomaso at poca.com 
>> Subject: Re: [DeTomaso] Techno Question: Bung placement on headers 
>> for     A/F sensor
>>
>>     Chuck,
>>
>>     The bung should be mounted at the 12 o'clock position so 
>> condensation     does get to the sensor on startup.
>>
>>     I welded mine on the exhaust pipe just after the collector 
>> because my     engine was in the car and I could easily remove the 
>> exhaust pipe to do     the welding.
>>
>>     SOBill
>>
>>     The main thing is to keep the main thing the main thing.     Do 
>> the best you can with what your have where you are.     Have fun 
>> today!     SOBill
>>
>>     In a message dated 8/17/2014 8:57:41 A.M. Pacific Daylight Time, 
>> [1]cengles at cox.net writes:
>>       Dear Forum,                           I will soon have both 
>> engines out of both       Panteras for       work.  It dawned on me 
>> that this would be a good time to add a bung       on the 
>> headers for use with and A/F meter sensor.    I have an email sent 
>> to       Innovate for their recommendations, but it is the weekend. 
>> I       assume that       the bung should be welded into the end of 
>> the header collector.                           Does anyone have 
>> knowledge of the optimal spot       to put       the bung? 
>> Warmest regards, Chuck       Engles          Dear Forum, 
>> I will soon have both engines out of both       Panteras          for 
>> work.  It dawned on me that this would be a good time to add       a 
>> bung          on the headers for use with and A/F meter sensor.    I 
>> have an       email          sent to Innovate for their 
>> recommendations, but it is the       weekend.    I          assume 
>> that the bung should be welded into the end of the header 
>> collector.                              Does anyone have knowledge of 
>> the optimal       spot to          put the bung? 
>> Warmest regards,       Chuck          Engles 
>> _______________________________________________       Detomaso Forum 
>> Managed by POCA       DeTomaso mailing list 
>> [2]DeTomaso at poca.com 
>> [3]http://poca.com/mailman/listinfo/detomaso_poca.com
>> References
>>     1. mailto:cengles at cox.net     2. mailto:DeTomaso at poca.com     3. 
>> http://poca.com/mailman/listinfo/detomaso_poca.com
>>
>>
>> _______________________________________________
>> Detomaso Forum Managed by POCA
>> DeTomaso mailing list DeTomaso at poca.com 
>> http://poca.com/mailman/listinfo/detomaso_poca.com
>
>
>
> _______________________________________________
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> DeTomaso mailing list DeTomaso at poca.com 
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>
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-------------- next part --------------
   Dear Julian,

             That is helpful and thank you.  I am a bit confused as to
   whether there is difference between the sensor for the A/F ratio meter
   and the sensor for EFI.   Are they both the same oxygen sensor?

                             Warmest regards, Chuck Engles



   On Sun, Aug 17, 2014 at 9:39 PM, Julian Kift wrote:

    Some useful information in this installation guide;

   http://wbo2.com/lsu/lsuinstal.pdf

   Julian

   > From: cengles at cox.net

   > To: doug351c at gmail.com; davel at emspace.com; detomaso at poca.com

   > Date: Sun, 17 Aug 2014 20:55:18 -0500

   > Subject: Re: [DeTomaso] Techno Question: Bung placement on headers
   for A/F sensor

   >

   > Dear Dave,

   >

   >

   >           So to rephrase what you said (which is very interesting),
   the

   > further down the exhaust the better the sensor reads and reads at
   lower

   > rpms.   Therefore, the best point is as far back as possible, i.e.
   just

   > before the muffler?

   >

   >          I have read that the Innovate is supposed to be the fastest

   > sampling or testing unit.  Does that have any bearing on your
   recommendation

   > for a bung further down the exhaust pipe to obtain better readings?

   >

   >

   >                           Warmest regards,  Chuck Engles

   >

   >

   >

   > -----Original Message-----

   > From: DeTomaso [mailto:detomaso-bounces at poca.com] On Behalf Of
   doug351c

   > Sent: Sunday, August 17, 2014 3:17 PM

   > To: Dave Londry; detomaso at poca.com

   > Subject: Re: [DeTomaso] Techno Question: Bung placement on headers
   for A/F

   > sensor

   >

   > Dave,

   >

   > By "outlet" do you mean header collector flange?

   >

   > Doug Braun

   > blue 73L #5505

   >

   > -----Original Message-----

   > From: DeTomaso [mailto:detomaso-bounces at poca.com]On Behalf Of Dave
   Londry

   > Sent: Sunday, August 17, 2014 1:05 PM

   > To: detomaso at poca.com

   > Subject: Re: [DeTomaso] Techno Question: Bung placement on headers
   for A/F

   > sensor

   >

   >

   > That is good stuff Chuck and giving all that info first priority,

   >   the farther you are from the outlet - the lower the rpm at which
   you'll

   > get stable A/F readings.

   > The reversions in our short exhaust systems are really fierce.

   > Below about 1700 rpm I get nothing but crap.

   > dave

   >

   >

   > On 17/08/2014 12:03 PM, Charles Engles wrote:

   > >     Dear SOBill, Jerry, Asa and Mike

   > >

   > >

   > >

   > >                         Great minds think alike and experience
   makes the

   > >     optimal location so much easier to pinpoint.   Thanks!

   > >

   > >

   > >

   > >                                         Warmest regards,  Chuck
   Engles

   > >

   > >

   > >     From: SOBill at aol.com [mailto:SOBill at aol.com]

   > >     Sent: Sunday, August 17, 2014 12:02 PM

   > >     To: cengles at cox.net; detomaso at poca.com

   > >     Subject: Re: [DeTomaso] Techno Question: Bung placement on
   headers for

   > >     A/F sensor

   > >

   > >

   > >     Chuck,

   > >

   > >

   > >     The bung should be mounted at the 12 o'clock position so
   condensation

   > >     does get to the sensor on startup.

   > >

   > >

   > >     I welded mine on the exhaust pipe just after the collector
   because my

   > >     engine was in the car and I could easily remove the exhaust
   pipe to do

   > >     the welding.

   > >

   > >

   > >     SOBill

   > >

   > >

   > >     The main thing is to keep the main thing the main thing.

   > >     Do the best you can with what your have where you are.

   > >     Have fun today!

   > >     SOBill

   > >

   > >

   > >     In a message dated 8/17/2014 8:57:41 A.M. Pacific Daylight
   Time,

   > >     [1]cengles at cox.net writes:

   > >

   > >       Dear Forum,

   > >                           I will soon have both engines out of both

   > >       Panteras for

   > >       work.  It dawned on me that this would be a good time to add
   a bung

   > >       on the

   > >       headers for use with and A/F meter sensor.    I have an email
   sent

   > >       to

   > >       Innovate for their recommendations, but it is the weekend.
   I

   > >       assume that

   > >       the bung should be welded into the end of the header
   collector.

   > >                           Does anyone have knowledge of the optimal
   spot

   > >       to put

   > >       the bung?

   > >                                                    Warmest regards,
   Chuck

   > >       Engles

   > >          Dear Forum,

   > >                              I will soon have both engines out of
   both

   > >       Panteras

   > >          for work.  It dawned on me that this would be a good time
   to add

   > >       a bung

   > >          on the headers for use with and A/F meter sensor.    I
   have an

   > >       email

   > >          sent to Innovate for their recommendations, but it is the

   > >       weekend.    I

   > >          assume that the bung should be welded into the end of the
   header

   > >          collector.

   > >                              Does anyone have knowledge of the
   optimal

   > >       spot to

   > >          put the bung?

   > >                                                       Warmest
   regards,

   > >       Chuck

   > >          Engles

   > >       _______________________________________________

   > >       Detomaso Forum Managed by POCA

   > >       DeTomaso mailing list

   > >       [2]DeTomaso at poca.com

   > >       [3]http://poca.com/mailman/listinfo/detomaso_poca.com

   > >

   > > References

   > >

   > >     1. mailto:cengles at cox.net

   > >     2. mailto:DeTomaso at poca.com

   > >     3. http://poca.com/mailman/listinfo/detomaso_poca.com

   > >

   > >

   > >

   > > _______________________________________________

   > >

   > > Detomaso Forum Managed by POCA

   > >

   > > DeTomaso mailing list

   > > DeTomaso at poca.com

   > > http://poca.com/mailman/listinfo/detomaso_poca.com

   >

   >

   >

   > _______________________________________________

   >

   > Detomaso Forum Managed by POCA

   >

   > DeTomaso mailing list

   > DeTomaso at poca.com

   > http://poca.com/mailman/listinfo/detomaso_poca.com

   >

   >

   > _______________________________________________

   >

   > Detomaso Forum Managed by POCA

   >

   > DeTomaso mailing list

   > DeTomaso at poca.com

   > http://poca.com/mailman/listinfo/detomaso_poca.com


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