10. After a cleaning cycle lasting 20 minutes at 60 degrees C, the Quadrajet was substantially cleaner than before. We rinsed it clean with common tap water and removed any stubborn dirt with a stiff bristle brush. Depending upon the cleaning solution you use, your cleaning cycle time may vary and you may need to repeat accordingly. Prolonged exposure to harsher cleaning solutions can remove the factory plating, however, so be sure to test on a sacrificial component before cleaning anything valuable.