Re: Intercooler temps (again)

["nacelp" <nacelp@bright.net>]

For good intercooler data  Tony DeQuick, and Spearco are who ya wanna talk
to.
Tony is on the GN Ttype list last I knew, and Spearco is in CA, USA.  Tried
hunting more info but my ISP seems to be mail only right now
Grumpy



> Interesting stuff.
>
> I have just had to replace the IC radiator in my car because of a leak. GM
> (Vauxhall) couldn't supply an OEM replacement, so I had to have one made.
> This raised a whole host of questions, regarding capacities, flow rates,
> pressures etc. which on-one could answer. Given that the IC dumps heat
from
> the air in the intake manifold into the water in the IC, and that the heat
> has to be dissapated in the radiatior, has anyone ever measured the inlet
> and exhaust water temp to / from the radiator, and the water flow rate ?
>
> This should tell you how much heat is being removed from the airstream.
> Measuring the temp's should be easy, but I couldn't work out a way of
> measuring the flow rate without spending $100 on a flow rate sensor. But
> like Mr Nacelp, I am amaised how good the IC is at cooling the intake air.
> I just wish there was a simple way of measuring how good it really is.
>
> Ho Hum,
> Malcolm Robb, LC 0112G
>
> -----Original Message-----
> From: nacelp [SMTP:nacelp@bright.net]
> Sent: Friday, May 05, 2000 8:43 PM
> To: gmecm@diy-efi.org
> Subject: Intercooler temps (again)
>
> Just for those tinkering with turbos.
> On a stock syclone (ie engine never opened up), last week we ran from 97dF
> to 130ish.  There was an add-on heater core for use with the stock air to
> liquid cooler.  This week ran without it, while slightly warmer weather,
> after using the same procedure the IAT went from 105 to 150s, during a
> pass.
> I was amazed that little cooler made that much difference.
> Just makes ya wonder if it's the cooling area, or increase in capacity
that
> makes the difference.
> Grumpy
>
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