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From: ARDUNDOUG@aol.com
Full-name: ARDUN DOUG
Message-ID: <1a4.136c05f7.2bd96240@aol.com>
Date: Thu, 24 Apr 2003 11:52:32 EDT
Subject: Re: engine oil and coolant temps
To: land-speed@autox.team.net
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In a message dated 4/23/2003 10:57:56 PM Pacific Daylight Time,
ed@vetteracing.com writes:
> Tom;
> When I used a wet-sump system I had a Moroso "adhesive
> blanket" like you describe, and just so happened it was the
> same size as the flat sump on my pan. It worked very well, but
> I was only using 8 qts of oil. It would get it to 140 deg in
> less than 1/2 hour on a cold morning. Now I am using a 4" x
> 12" Moroso heat strip wrapped around the dry sump tank. (120V,
> 400 watt) I use the exact "drill" Doug uses. After a cold
> night on the salt it takes the better part of 45 min to heat
> the oil to 140+ deg., spinning the engine with the ign. off to
> get the pressure up, then I fire it &run it until the water
> gets to 160 deg. I have it on my "to-do" list to configure a
> similar heater for the rear end.
> Ed
Another trick I learned from somebody was the installation of a
thermostat somewhere in the pressure side of the engine water cooling system.
If I didn't have a thermostat I'd have to run the engine long enough to
get the entire coolant tank (no place for a heat dissipating(sp) radiator or
air flow through same) up to say 160 deg before making a pass. At that point
I'd be 50-60 degrees away from boiling, plus having 15 gallons of very warm
water 12" away from me and my blanket-like fire suit on what was a hot and
uncomfortable situation to start out with.
By using a thermostat I can warm the engine to 180 deg while leaving the
coolant tank water at ambient temp. It gives me better cooling during the run
as well as a more comfortable ride.
At the end of the pass the coolant tank (and the temp inside the cockpit)
is much less than if I'd pre-heated the coolant to 160 deg............Ardun
Doug King
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