As stated above the "new" aluminum core radiators do kool better in a smaller package than the old copper/brass radiators . In most instances the tubes in the aluminum radiator are 1 inch wide or larger versus the 1/4-3/8 inch wide tube for a copper/brass radiator. fuel gauge ALWAYS reads full. 1973 - 1979 F-100 & Larger F-Series Trucks - Alloyworks 4 Row Radiator - Has anyone here used a Alloyworks 4 Row Aluminum radiator. Need a new radiator and was looking on Amazon and found Alloyworks for my 79 f250 Comes with shroud, 2 electric fans, and T stat. Cost 369.00 Or what have you guys used. It heats up – but also cools down – quickly. ‘Aluminum is a highly efficient conductive material that will heat up instantly after the central heating is turned on, giving you total control over your central heating system,’ says Simon. Multisec Raw radiator, £573 for a 1800mm x 438mm model, MHS. Our four-row cores, which we call “Monster Cores,” are fairly stout and may not fit in all engine compartments. EC Economy Core Series – 2Row – Two Rows of 3/4ths inch Tubes = Approx. 400-600+ Horsepower Cooling Capacity. CC Champion Core Series- 3Row – Three Rows of 5/8ths inch Tubes = Approx. 600-800+ Horsepower Cooling Capacity. Nothing smaller than 1" tubes (most common), better choice would be 1.25 or 1.50 tubes..more capacity. Cooling fins 12-14 per inch. SHROUD for the fan, so the air it moves is forced to cross the tubes and fins. I prefer a PULLER fan. Shoot for 190-200* at idle/in traffic, hopefully with a/c on. Triple pass radiators, you guessed it, they flow through the radiator three times. These radiators all utilize a crossflow style radiator design. To learn more about crossflow vs downflow radiator designs visit our Toolbox article explaining their differences. Since that is covered, we can move on to the cool stuff (pun intended). A 2 row aluminum radiator with a 2" 2 row core will cool better than a copper/brass radiator of 2.5" with 4 rows. Air restriction through a core is increased with thickness. Aluminum transfers heat better than copper/brass. 2 large rows circulate better than 4 small ones. There is a lot more to consider. Fishfreq. 569 posts · Joined 2017. #2 · Nov 24, 2018. cj428mach said: Radiator guru's swear that 3-4 small 3/8" cores are much more inefficient compared to just two larger, 1" or 1.25" cores, is what I found in my radiator search. Brass radiators cannot go 1", not stiff enough. Aluminum can easily do that. gpHQ0J6.