These Chevy L5P Duramaxes are designed for heavy-duty. It says so right on the badges stuck on the sides of the truck. GM did its best to prepare these trucks for the constant stress of heavy payloads and long hauls, but that still takes its toll on the cooling system. Luckily we have the perfect solution.
In our last post, we revealed GM’s enormous factory radiator and covered the trouble spots. How do you improve on an already gigantic radiator? Make it even more gigantic-er.