Solid lines and mounting brackets may cause problems, due to expansion and contraction. If you mount the radiator and the solid lines securely, they will eventually crack, or leak. It is best if the radiator is mounted loosely but not enough to vibrate against anything else. The lines should be flexible, and should have some bend in the lines. You might come up with a better system if you were to use a radiator from one of the small cars, with the fan built on the frame. You could mount it almost anywhere. The Power-Tracs have a fan cooled radiator, with a thermal switch to operate the fan. You can get the fan and radiator for around $30.