[DeTomaso] Coolant Bypass

Larry - Ohio Time Corp larry at ohiotimecorp.com
Mon Feb 6 12:54:50 EST 2012


Gary,

I would have thought that you would have used a 2" SS Ball Valve, with a RC
servo on it, controlled by a single chip program to monitors all motor
factors and the moon phase.

Now that is the Gary I know and lov...

Larry (always in hot water) - Cleveland



-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of gow2 at rc-tech.net
Sent: Wednesday, February 01, 2012 6:23 PM
To: detomaso at realbig.com
Subject: [DeTomaso] Coolant Bypass

There has been a lot of discussion on the coolant bypass. I still don't
know exactly which BMW valve is worth using.

I bought one of the aftermarket made bypass's. It was very well made;
beautiful in fact; but there was an issue. When the thermostat opened
there was nothing to cut off the the bypass. I don't know if it mattered
but I think the bypass should be closed when the thermostat opens.

I also had concerns that a single thermostat may have flow issues. On the
GMC 702's my brother builds the stock thermostat housing holds 3
thermostats.

So I thought why not use 2. So I built this. One thermostat is built to
close off the bypass port when open:

http://www.rc-tech.net/cars2/panttransam/bypas/byp1.jpg

http://www.rc-tech.net/cars2/panttransam/bypas/byp3.jpg

http://www.rc-tech.net/cars2/panttransam/bypas/byp4.jpg

Gary

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