Vintage Car Benefits

THE BENEFITS OF EVANS NPG COOLANT FOR VINTAGE AND ANTIQUE CAR ENGINES

		PROTECTS FROM BOIL-OVER
		PROVIDES LOW, OR NO-PRESSURE SYSTEM
		ELIMINATES SYSTEM SCALING
		REDUCES CORROSION
		REDUCES DETONATION
		ELIMINATES PUMP CAVITATION
		LENGTHENS HOSE LIFE
		LOWERSS MAINTENANCE COSTS
		LIFE OF ENGINE COOLANT - 500,000 MILES
		OFFERS COOLANT STABILITY FOR STORAGE
		IMPROVES CONTROL OF METAL TEMPERATURES
		ESSENTIALLY NON-TOXIC

EVANS NPG™ COOLING is a new technology, a system initially developed for cooling race engines to reliably increase power. It does that and much more. It's a racing-tested engine cooling breakthrough! The technology is centered around a revolutionary new coolant, non-aqueous propylene glycol (NPG). In addition to our own race teams and testing programs, NPG technology has been proven in many different racing vehicles, street machines, trucks, motorcycles and of course a widely diverse collection of antique cars. Evans NPG has been run in 2000 HP drag cars, parade and show vintage cars, big block modified cars. EVANS NPG has also been proven invaluable in all makes of Motorcycles; Exotic high horsepower racing bikes to 1500cc, 6 cylinder touring bikes. NPG has also been utilized in Antique cars as diverse as a 1926 Model-T to the 1917 Hudson Indy Speedster that won the "History Channel Great American Race" in 1998 and 1999.

EVANS NPG™ Coolant Ends Coolant Maintenance & Expense - Gives Superior Protection! Run Longer - Run Safer - Never Overheat ! Use Without Water and Without Pressure ! Eliminate Critical Hot Spots - Stop Detonation !

Engines have the capacity of operating at much higher efficiencies which lead to higher power production. The limiting factor has always been the conditions imposed by water-based coolants, including low boiling point and excessive vapor generation. These conditions cause localized coolant boiling, vapor blanketing at hot spots and the resultant destructive detonation and pre-ignition. In some applications, coolant alone will improve fuel economy and reduce emissions; in others simple mechanical modifications may be required.

When vapor blankets the surface, water-based coolants lose their ability to absorb heat from the hot spots in the combustion chambers, leading to high metal temperature spikes well above critical levels. The result is loss of power from detonation or component structural failure from pre-ignition in the form of piston damage, head gasket failure, and/or warped or cracked heads.

Water-based coolant is operated near its boiling point. Cylinder liner cavitation erosion is caused by vibration-induced high frequency pressure changes at the metal-coolant interface. Coolant, near its boiling point, makes vapor bubbles that abruptly collapse against the metal surface, causing erosion of the metal. EVANS NPG Coolant contains no water and is not operated near its boiling point.

The boiling point of EVANS (non-aqueous propylene glycol) NPG Coolant is 370 degrees F in a non- or low-pressurized system. The coolant is normally controlled at conventional temperatures but functions perfectly well at higher temperatures, even considerably higher temperatures. Detonation/pre-ignition control and previously forbidden combustion chamber pressures and temperatures are no longer the danger they were to thermal engine efficiency and durability.

EVANS NPG™ COOLANT
USES NO WATER, NO PRESSURE!

Evans NPG Coolant is 100% inhibited Propylene Glycol. It can maintain substantially vapor free, liquid - to - metal contact at all coolant temperature and engine loads. By bathing the entire combustion chamber with coolant 100% of the time, metal temperatures are controlled to such an extent that critical levels of detonation and pre-ignition are never reached. Because NPG's naturally high 370 degree F boiling point, the need for adding high pressure to the cooling system is eliminated. Without pressure (or low pressure, i.e. 2 to 5 psi) in the system, gasket seals, hose connections, and even the radiator core, operate safer and longer. For a brief overview of the properties, please read our NPG properties tables found in our technical info page.

This is a simple outline of a few general cooling system benefits / engine enhancements that our systems can provide. For a more detailed and specific outline of our system along with the increases in cooling system / engine performance you can expect to gain, please read the data in our technical info pages. For more benefits and descriptions see our benefits pages.

For an in-depth discussion of the problems with current cooling systems and how Evans NPG solves these issues, please read our narrative in the NPG benefits page.

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