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.
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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