[Diy_efi] Re: temp sensor on air cooled

[Ron Schroeder]

Hi Matt,

I am running EFI on a military air cooled engine.  I used a thermistor that
is 2000 ohms at 25 deg. C.  It has about the same resistance at 200 deg F as
a GM sensor does at 160 deg F.  I suspect that my head is at least 50
degrees cooler than a VW head due to better cooling.  I am guessing that the
VW will run ~ 400F.

I epoxied the thermistor into an electrical lug that I put under a head stud
nut.  I think CHT is much more representative of warm up needs than oil
temp.

Ron Schroeder
WD8CDH
day 631 344-4561
nite 631 286-5677
'73 710M Pinzgauer


----- Original Message -----
From: <fuelogic at ihug.com.au>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, April 09, 2003 7:09 AM
Subject: [Diy_efi] Re: temp sensor on air cooled


> Hi all,
>
> With regard to the temp sensing or air cooled engines...is anyone here
running
> efi on a VW?? Where have you got your sensor? I put mine on the crank case
> where the fuel pump used to be...but I think it takes too long to heat up.
> What sort of temp is expected at the head of a VW 1600?

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