----- Original Message -----
From: "DrMayf" <drmayf@teknett.com>
To: <tigers@autox.team.net>
Sent: Wednesday, August 13, 2003 10:24 AM
Subject: Re: Cooling System Acid Test
> A thought to all. ROughly 1/3 of the heat from fuel is put into the
cooling
> system. So, if your car has a 250 hp output, then you are putting about
that
> amount of heat into the radiator and systems. the other third is lost to
> radiation, oil pan and other cooling mechanisms.
Don't forget all the energy that goes out the tailpipe as hot gas. That is
the single biggest chunk.
Erich
>
> mayf
> ----- Original Message -----
> From: "Theodore V. Brown" <tbrown@midcoast.com>
> To: <tigers@autox.team.net>
> Sent: Wednesday, August 13, 2003 8:40 AM
> Subject: Re: Cooling System Acid Test
>
>
> > Hello All:
> > The positive results of using a high volume water pump are interesting
for
> it
> > is very different from the results that were obtained in the cooling
> system
> > tests done by TEAE/Tiger Tom. To quote "Water Pumps: Stock, High Vol
> > Milodon, Stewart. We did not measure a significant cooling difference
with
> > any of the three pumps tested. However, we believe there may be an
> > advantage at idle with the use of a high volume pump when combined with
> > interactions of other cooling system enhancements." I guess it shows
> > that cooling problems are complicated and probably depend on the
> > particular car involved. I have a 260 with a 4-bbl and hipo cam and
have
> > had great success with my car by adding the Derale fan and horn block
offs
> > and leaving the rest stock. It seems to me that the secret to adequate
> > cooling with our cars is sufficient air flow as evidenced by the fact
> that,
> > for
> > most cars, overheating occurs at idle and not when going down the road.
> > If such is the case anything that will increase ambient air flow through
> the
> > radiator will have a positive effect. At idle, of course, you already
> have
> > the
> > slow coolant flow that some claim will improve things, so I can't
imagine
> > that
> > slowing it down further will make it better, but I could be wrong. In
> > fact, I have
> > observed that increasing the idle speed while at rest seems to lower the
> temp.
> > If the car is overheating while at speed, it would seem that other
factors
> > are
> > involved and other solutions would have to be employed. It may be that
we
> > are operating our cars near some sort of "break point" and that any
change
> > that tips the balance in the favor of better cooling produces a
"cascade"
> > effect (i.e. the system is non-linear) so that small changes have a
large
> > effect.
> > Tod
> > B382002384LRXFE
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