ACERS DEMAND LOWER ENGINE operating temperatures in order to achieve maximum effi ciency and horsepower on the track, while the straight water coolant used by many racers opens engines up to damaging radiator and water pump corrosion. New AMSOIL Dominator® Coolant Boost (RDCB) provides racers and motorists with signifi cantly lower engine operating temperatures, quicker engine warm-up times and advanced corrosion protection. Dominator Coolant Boost is formulated with proprietary tiered surfactant technology, providing quick and effective heat transfer inside radiator and cylinder heads, which results in reduced operating temperatures, more efficient operation, increased horsepower and significantly reduced engine warm-up times in cold weather. Coolant Boost also contains a robust mixture of corrosion inhibitors that protect the radiator, heater core, water pump, cylinder heads, engine block and intake manifold from the damaging effects of corrosion.

Temperature Reduction Dynamometer Test
To test the temperature reduction capabilities of Dominator Coolant Boost, dyno tests were performed on a Chevy 350 cubic inch engine with an aluminum block and cylinder heads. Running the test with both straight water and water treated with Coolant Boost, the engine was operated at 4,500 rpm until coolant temperature stabilized.

Coolant Mixture	Stabilized Coolant Temperature
Straight Water	221° F
Water with Coolant Boost	202° F

Test results show water treated with Coolant Boost provided a 19° F temperature reduction.

Aluminum Corrosion Test
The Aluminum Corrosion Test (ASTM D-4340) measures the corrosion protection properties of Dominator Coolant Boost in modern automobile and high-performance race engines with aluminum cylinder heads. A cast aluminum puck was heated to 275°F at 28 PSI and exposed to the test coolant mixture for one week. Weight loss of less than 1.0 mg is required to pass the test.

Coolant Mixture	Weight Loss
Straight Water	3.97 mg/cm2/wk
Water with Coolant Boost	0.14 mg/cm2/wk

Test results show water treated with Coolant Boost easily passed the Aluminum Corrosion Test.

Metal Corrosion Test
The Metal Corrosion Test (ASTM D-2570) measures corrosion protection properties in automotive cooling systems. Using ASTM corrosive water designed to simulate hard and corrosive water in degraded coolant, six metal coupons constructed of the most common metals in automotive cooling systems were exposed to the test coolant mixture at 190°F. The coolant was maintained at a temperature and fl ow rate equivalent to the operating conditions seen in most passenger vehicles. Corrosive weight loss suffered during the test determines the additive’s corrosion protection properties.

Metal	Straight Water Weight Loss	Water With Coolant Boost Weight Loss
Copper	66 mg	7 mg
Solder	120 mg	0 mg
Brass	59 mg	3 mg
Steel	54 mg	0 mg
Cast Iron	117 mg	0 mg
Cast Aluminum	89 mg	0 mg

Test results show water treated with Coolant Boost significantly reduced weight loss due to corrosion.

Recommendations
Dominator Coolant Boost is recommended with both racing applications using straight water coolant and automotive applications using 50/50 coolant/water mixtures.

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