Robb Lightfoot wrote: > > I'm going to install an extra oil cooler on my Type IV 73 Westy. > I've had people tell me that they would install it "up front" on the front > beam. But to do this will require a lot of jazz I don't have. I will have to > buy a roll of copper tubing and braze fittings on it. > Robb, I'd recommend against copper tubing in this application. Copper is a poor choice where vibration is present since it work hardens and fatigues so quickly. You can demonstrate this to yourself by working a piece back and forth with your hands - it doesn't take long before is cracks and breaks. A crack in an oil cooler line could cost you the entire engine if it went undetected for even a very short period of time. Stainless steel tube, my good man, could be a very good investment here. Secondly, If doing an extra cooler, I'd put it in back and keep the lines as short as possible. Every bit of plumbing you add will have a pressure drop across it, and the cooler is in between the pump and the bearings, where pressure counts.
Dave
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