How To Weld Aluminium Cylinder Head. I have an old motorhome with a Peugeot u25661 25litre diesel engine this has just. 2 - Preheating of the head is critical.
They do also make a JB weld that is specifically for aluminum. Types of Aluminum Welding. Porknbeaner Mar 18 2013.
Gas tungsten arc welding GTAW also known as tungsten inert gas TIG welding is one of the most popular welding processes chosen for aluminum.
If you are welding a casting such as a cylinder head manifold or other part that will experience thermal stress in normal use preheat the casting to 200 to 300 degrees F. Among the things I learned. Turn the gas up and make sure its a clean surface no oil preheating the head to about 300F will help as the Dynasty doesnt have big power aluminum is a major heatsink. The added heat also makes the head easier to weld because aluminum conducts heat away from the weld area rapidly.