Evercool radiator is the best dude. Solid copper is the best because it conducts heat very well. Copper is also twice or thrice more expensive compared to Aluminum. The original radiator of our jap cars are crap and it's only made out of aluminum and plastic ung iba. Sorry to say that but the radiator design on stock cars are just made to be cheaper for the market.
Go get the double row. In durability and materials used it's worth it. I'm even trying to look for a double row copper condenser for my ride. Pero wala ata.
Like sa PC natin. Kung aluminum heatsink gamit mo eh.. Low class un.. High class heatsinks are made out of copper. Mas mahal din. Checkout thermal take for example