The reason for this is that the thin walls of lightweight aluminum radiators used on racing cars and motorcycles may form pinhole leaks as the aluminum is attacked by the hot, pure water. Adding a little antifreeze (or other additives) to the mix puts enough ions back into the water to re-establish equilibrium and help neutralize pure water’s Crossflow radiators have the tanks located on the left and right sides of the radiator. Coolant enters the radiator at one side and the water pump forces coolant through the core to the opposite side of the radiator on its way back to the engine. This design works well in later cars and trucks with a wide grille opening. Comparing the polished aluminum radiator against a flat black painted radiator. The '1' value given to flat black is indicating all heat ,100%, is emitted or absorbed and the .1 to .o5 for polished aluminum refers to only 10% or less is absorbed or emitted. It depends on the frequency of the radiation. The thermal conductivity or "K" of brass is approximately 111 W/mK, aluminum is approximately 200 W/mK. I have no dog in this hunt, just wanted to provide The advent of aluminum radiators has allowed the switch from 1⁄2- to 3⁄4-inch-wide tubes to 1- to 1.5-inch-wide tubes and the use of double-pass tanks. Wider tubes have more surface area Regarding aluminum radiators I have actually researched this a bunch because my new motor has surpassed the 3 core SB copper brass radiator I have been using and I'm in the market. It seems like Be cool and Griffin are pretty decent for the "cheaper" radiators, then of course Ron Davis and CR if you have the money are the upper tier. 5Q5yM. Switch the radiator from a copper/brass to aluminum model can save 10-20 lbs in many cars. For us hot rodders, weight is bad. So ditching the copper brass radiator for an aluminum model is a no brainer. There are many old wives tales about why aluminum radiators cool better. The most common one is ‘aluminum dissipates heat faster than copper Genuine Ford Fluid VC-7-B Concentrated Antifreeze – the best for Ford vehicles! Audi Coolant Antifreeze Antigel Refrigerant – the best for ethylene glycol engines! EVANS Cooling Systems EC53001 Waterless Coolant – the best for the boiling point! Havoline Xtended Life Antifreeze/Coolant – the best for long service! Aluminum is less susceptible to corrosion and rust. Aluminum conducts heat well and absorbs it faster, which allows the hot coolant going through the tubes to cool more quickly. One more added benefit of radiators made out of this material is that aluminum is a recyclable metal, which means it is completely safe for the environment. A same-size aluminum radiator will almost always shed more heat per square inch than a copper/brass radiator. It will also be lighter and not as susceptible to corrosion. Nothing wrong with copper/brass, but aluminum wins in nearly every category for radiators. Save. 3 days ago · 1. Mishimoto MMRAD-XJ-89 Aluminum Radiator. If you’re looking for quality and reliability in an aftermarket radiator, Mishimoto might have exactly what you need. MMRAD boasts premium-grade construction. Tig-welded, precisely-engineered for the XJ, this radiator will serve you for a very long time. good review. i would assume the more expensive, triple pass radiators would cool better than the cheaper single pass radiators. however, unless im reading it wrong it doesnt seem to be an "apples to apples" comparison. the champion had medium profile fans but then you changed to extreme duty fans on the other 2 radiators that you said doubled the cfm.

do aluminum radiators cool better