Harleys and Super Villains

Over the summer, my Harley Street 750 has been my primary mode of transportation around the urban jungle of Chicago. If you’re not up on Harleys, the Street series bikes are a bit of a deviation from the standard Harley formula. For starters, it’s liquid cooled and aside from the Porsche designed v-rod, all Harley’s are air cooled engines. It’s …

Copper Brass Radiators Versus Aluminum Radiators

Before aluminum radiators were around, the only upgrade from a factory 3-row radiator was either a 3-row high efficiency model or a 4-row. A 4-row added another row of cooling tubes which provided approximately an extra 20% of cooling power over a 3-row. Back 30 years ago, you could roll down to your corner radiator shop and even have him …

Three Row Snake Oil: The Gift The Keeps On Giving – Giving You Grief.

Let’s review what we’ve learned in the previous posts. We learned that there are many old wives tales about aluminum radiators, most of which are not true. Then we learned that aluminum is lighter and stronger than copper/brass. As hot rodders, we exploit this lighter and stronger aspect of aluminum to build aluminum radiators that cool significantly better than their …