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Tired of overheating in traffic or in line on the trail?
Tired of your Aluminum Radiator vibrating apart on the trail?
Tired of radiators held together by epoxy and glue?
Tired of buying an unrepairable product designed to be thrown away purchased again and again?
Tired of supporting the Chinese economy?
Well we were tired of hearing about the poor quality of disposable aluminum radiators from our Jeep owning customers. We designed our own radiator with The Brassworks. FlowKooler radiators are built to last, built to cool, and built to withstand the vibration on the trail. They are made here in the USA from copper* and brass.
Follow Fred Williams, technical editor of Petersons Offroad, as he travels Coast to Coast "CA to PA in a CJ" trialing our CJ radiator.
About the radiators:
- Tellurium copper fins*
- Staggered tubes to disrupt airflow laterally
- Louver-style impressions between each tube to disrupt airflow vertically
- 3 rows of 3/4" seamless weld tubes measuring 2-5/8" thick
- 10 fins per vertical inch
- Galvanized steel sidewalls
- Drawn brass tanks
- Handcrafted in the USA
- Allow 2-3 weeks production time
If you need a custom radiator visit our custom radiator section and we'll build to your Jeep's specifications.
* Why copper and not aluminum? Here's why...
Physics – The material property that indicates its ability to conduct heat is known as its thermal conductivity. Copper has a thermal conductivity of 231 Btu/hr/ft. Aluminum has a thermal conductivity of 136 Btu/hr/ft. Copper is a significantly better heat exchange medium.
Chemistry – Aluminum is more vulnerable to electrolytic corrosion than copper/brass because aluminum is a highly reactive metal. If the corrosion inhibitors are used up and the pH of the coolant drops to 7 or below, aluminum becomes a sacrificial anode and is eaten away resulting in radiator seam failure and coolant leak.
Environmental - Half of the failures of Aluminum radiators are simply thrown away.
Economics – Aluminum costs around $1.11 a pound and high quality production grade Copper costs over $4.00 a pound. Material costs of Copper and Brass radiators are greater than Aluminum. Aluminum is a more profitable metal for radiator manufactures but that does not make it a better value for car owners.
History - In 1975, the federal government established Corporate Average Fuel Efficiency (CAFE) standards. CAFE standards are 27.5 miles per gallon (mpg) for cars and 20.7 mpg for light trucks. Car manufacturers began to immediately lighten the load. After all, for every 100 pounds of weight removed from a vehicle, there's an increase of half a mile of fuel efficiency.
Longevity - Aluminum radiators have a shorter life. We frequently restore copper and brass radiators that are over 100 years old. We never see an Aluminum radiator this old.
We find most Jeepers who are battling an overheating engine quickly come to understand and appreciate the heat transfer benefits, reduced maintenance, longevity and long-term value a copper radiator affords them over the aluminum alternative.
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