[DeTomaso] Where to put O2 bungs?

[Julian Kift]

All that I have encountered have been in or just after the merge collector, unless of course you want to go to the extent of one in each header pipe for individual cylinder checking on an IR intake system.

 

Julian

 


 
> Date: Thu, 15 Jul 2010 15:05:23 -0700
> From: davel at emspace.com
> To: SOBill at aol.com
> CC: detomaso at realbig.com; steven.liebenow at att.net
> Subject: Re: [DeTomaso] Where to put O2 bungs?
> 
> Topside for sure.
> I have a caution about going too far back, if the sensor is needed at 
> low revs (below 1500 maybe),
> for instance checking idle mixture with an Innovative A/F meter.
> 
> With a big pipe you get reverse pulses of mixed fresh air in the exhaust
> I moved all the way up to 2" below the flange and still the A/F reading 
> below 1000 bounces all over.
> dave
> 
> 
> SOBill at aol.com wrote:
> > Steve,
> > 
> > IMHO,
> > 
> > Farther back is better.
> > 
> > Mount the bung on the top or side of the pipe so condensation can't lay on 
> > the sensor.
> > 
> > SOBill Taylor
> > sobill at aol.com 
> >
> >
> >
> > 
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