[DeTomaso] Techno Question: Bung placement on headers for A/F sensor
Dave Londry
davel at emspace.com
Mon Aug 18 00:38:32 EDT 2014
Sorry - that was unclear Chuck.
The farther the sensor is from the exhaust outlets, the lower the
low-rpm limit at which you can read A/F.
The lower the rpm, the farther the exhaust reversions travel back up the
pipes.
(More time to travel and less opposing gas velocity)
dave
On 17/08/2014 6:55 PM, Charles Engles wrote:
> 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
>
>
>
More information about the DeTomaso
mailing list