[DeTomaso] Heater control valve

[B. Seib]

John
I thought you had no flow through the core unless the pump was running. I
copied your setup! Why would we need valves?
Barry

-----Original Message-----
From: John Taphorn [mailto:jtaphorn at kingwoodcable.com]
Sent: Wednesday, March 23, 2011 5:46 PM
To: oldwheel at shaw.ca; detomaso at realbig.com; Larry Finch
Subject: Re: [DeTomaso] Heater control valve


Larry

Wow, if only it operated at higher temps.  This would be ideal for my set
up.  When I switch on the Mercedes electric water pump, the values could be
co-wired to open.  I'm in if you can find one to handle 50 more degrees.

Thanks for the heads up

JT

----- Original Message -----
From: "Larry Finch" <fresnofinches at aol.com>
To: <oldwheel at shaw.ca>; <detomaso at realbig.com>
Sent: Wednesday, March 23, 2011 9:07 AM
Subject: Re: [DeTomaso] Heater control valve


> Barry,
>
> NOW I see what you are trying to get across. ;-)   Senior moments = DOH.
>
> It took awhile but what you are saying is the water pump delivers a set
> amount of push, and if the heater hoses are dead headed, then that amount
> of push needed (but not being used) to move coolant through the heater
> hoses must by default now be delivered to push coolant through the
> radiator hoses. Right?
>
>
> SOOOO, if the 4-port allows coolant to be pushed through the valve's
> bypass circuit, the portion of the water pump push now being used in the
> 4-port bypass circuit is no longer being directed into the radiator hose
> system. I get it.
>
> In that case, for those of us wanting an electric solution to the shut-off
> valve modification, perhaps one of these is 'more better'?
>
> http://tinyurl.com/5-8-electric-valve
>
> Only caution is the rating of this valve says maximum fluid temperature is
> 195 F.
>
> Larry
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: B. Seib <oldwheel at shaw.ca>
> To: DetomasoList <detomaso at realbig.com>; Larry Finch
> <fresnofinches at aol.com>
> Sent: Tue, Mar 22, 2011 4:33 pm
> Subject: [DeTomaso] Heater control valve
>
>
> Larry
> I don't want to beat this to death but...
> I disagree.
>
> ANY device that allows coolant coming from the water pump to come back to
> the engine block without having to go through the radiator reduces the
> cooling capacity of the system. If the heater core is an effective
> radiator,
> then it would be the only exception. I doubt that is ever the case and
> most
> of us don't want to drive around with the heater on high to help cool the
> engine.
>
> Any bypass of the radiator results in less cooling.
> It's not just the thermostat that you are bypassing, it's also the
> radiator!
>
> Respectfully
> Barry
>
>
>
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