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<x-flowed>Yes, as I sit here in the office I remember that 600 F was the minimum operating temp on the haltech. I did wrap the collector with exhaust wrap out of paranoia, but didnt do b4 and after so I don't know if it was necessary. Reading on the bus is very stable, and indicated a very rich condition on the weber DFAV, like to the last mark on the rich scale (but that is a story for the type 2 site!) I guess my indication that it is working properly is that you can see it zoom over the entire lean-rich range when you shift, etc. and also it detects my hesitations (which are lean!) Jim Rustad Kennewick WA 71 FI square 76 bus >From: "Jim Adney" <jadney@vwtype3.org> >Reply-To: jadney@vwtype3.org >To: type3@vwtype3.org >Subject: RE: [T3] Needle mixture meter >Date: Thu, 7 Feb 2002 11:14:31 -0600 > >On 7 Feb 2002, at 7:35, Erkson, Toby wrote: > > > Sorry Jim, I know you know what a merged header is, brain-fart on me :) > >That's okay. I thought it was a fair comment. > > > I recall somewhere in the murky cobwebs of my mind that an O2 sensor >needs > > to be about 600-deg. F minimum (oh darn, maybe that was for the >catalytic > > converter...?). Also, for us at least, this is where a heated sensor >would be > > necessary I think. > >Good point. I forgot about the possiblity of heated sensors, but I also >don't >know what temp they really need or whether the heated sensor would make >up any difference. > >- >Jim Adney >jadney@vwtype3.org >Madison, WI 53711-3054 >USA > >------------------------------------------------------------------- >Search old messages on the Web! Visit http://www.vwtype3.org/list/ > _________________________________________________________________ Chat with friends online, try MSN Messenger: http://messenger.msn.com </x-flowed>