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Are Extruded Cooling Tubes Better

Posted on January 09, 2017 by Tom DeWitt

One radiator company is now touting a “revolutionary advancement in cooling technology”. A bold statement like this deserves to be investigated...  What is this big break through? it is Extruded Cooling Tubes (ECT) and it is not that revolutionary. In fact it’s not even new, as this technology has been around... [Details]


WHY DO ALUMINUM RADIATORS COOL BETTER THAN COPPER?

Posted on January 09, 2017 by Tom DeWitt

Copper is actually a better conductor of heat than aluminum. The problem is a copper radiator is not ALL copper. The tubes and fin are copper however they are bonded together with lead, which has horrible heat transfer capabilities. The end tanks are brass and the side channels are steel. The... [Details]


WHAT IS A DOUBLE PASS RADIATOR?

Posted on January 09, 2017 by Tom DeWitt

Many companies offer radiators configured as a double-pass or triple-pass design and the name can be a little misleading. On the surface, a double-pass radiator sounds like the fluid goes through the radiator two times and that is not the case.     A double-pass design is nothing more than a... [Details]


What coolant should I use with an aluminum radiator?

Posted on August 09, 2015 by Tom DeWitt

The key to maximizing the life of an aluminum radiator is not so much the coolant brand as it is the water type. All coolants sold today will protect the an aluminum radiators adequately however distilled water must be part of the package. Concentrated coolants create a potential problem because... [Details]


Are three row aluminum radiators better than two?

Posted on May 26, 2015 by Tom DeWitt

In the old days of copper and brass radiators this was true. More rows meant more surface area in contact with the fin and consequently a higher heat rejection. So a 3 row was better than a two row and so on.  When aluminum radiators came around the rules changed. Cooling... [Details]


What is a four core radiator?

Posted on June 14, 2014 by Tom DeWitt

Truth be told, there is no such thing. The term “four core” has been misused for decades and accepted for generations. One reason is that very few people know how a radiator works and even less people know how they are made. The term “core” is used to describe an... [Details]


WHAT PRESSURE RADIATOR CAP RATING SHOULD I USE?

Posted on February 21, 2014 by Tom DeWitt

I get asked this question daily and most people stress out over the decision when they really shouldn't. A coolant mixture of 50/50 has a boiling point of 223 degrees. Pressurizing the system will raise the boiling point by 3 degrees for every 1 psi on the pressure cap. A... [Details]