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PostPosted: Sat Jan 07, 2012 3:01 pm 

Joined: Thu May 12, 2005 11:50 pm
Posts: 6211
Location: So California
Car Model*: 64 Plymouth Valiant ... 10-percent

64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes


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PostPosted: Sat Jan 07, 2012 4:21 pm 
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Joined: Thu Oct 31, 2002 5:39 pm
Posts: 23798
Location: North America
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Interesting article, and interesting Jay Leno clip. The article's claim about fuel economy, though, is not applicable to most unmodified vehicles. The engine management system is going to turn the fan on when the coolant reaches a programmed temperature. That will happen whether the system contains water, green coolant, orange coolant, or Evans waterless coolant. But if the fan control can be reprogrammed with a higher setpoint and/or a higher-temp thermostat can be found and can be installed without causing cooling-unrelated problems (such as hot-start/hot-idle issues in carbureted fuel systems), then you can realise a fuel savings.

Too many people who were born on third base actually believe they've hit a triple.


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PostPosted: Sat Jan 07, 2012 6:56 pm 
EFI Slant 6

Joined: Wed Mar 22, 2006 9:19 pm
Posts: 291
Location: Portland, Oregon
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There has been much discussion about this coolant in the trucking industry. Mileage increases as noted, come from higher operating temps.
I've thought about the change for my Frieghtliner, but the cooling system holds 14 gallons, and I've got engine shut-offs set at 230 degrees. To get the advantage would require reprograming the control computer, a very high thermostat, and a very high outlay ($500 more or less) for the 14 gallons of coolant.
On the other hand, a 5 or 10% fuel savings on a truck that runs through about $80,000 a year in fuel could be a good thing.

66 Valiant, 225.
84 Van, 225.
71 Maxi-Van, 318
60 Valiant wagon, 225
87 Maxi-Van, 318 4spd

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