plug readings vs electronics
Bruce
nacelp at bright.net
Thu Oct 11 19:17:00 GMT 2001
From: "Axel Rietschin" <Axel_Rietschin at compuserve.com>
Subject: Re: plug readings vs electronics
> >From: Jason Mauldin
> >Sent: Thursday, October 11, 2001 04:38
> >If you view the turbo as a heat sink, then the reason for not mounting it
> >after the turbo is that it will soak -up any spikes in temps.
Effectively
> >reducing the responsiveness of the probe.
> You forget that some work is being done by the turbo, measuring the EGT
> after it makes absolutely no sense at all.
> I can observe about 200C temp drop (1050C vs 850C) across the turbo at
full
> load on my engine. In old units, we are talking 1900F right before the
turbo
> vs. 1560F right after the turbine blades, in the exhaust housing itself.
> My advice would be to mount the probe as close as practical from the head,
> one probe per cylinder being the best.
> --Axel
So right beside each WB, then?. <g>
So, that would also be right by the pressure sensor washers under the head
bolts, too?.
Bruce
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