How To Clean Cast Iron Intake Manifold
A couple gallons should do the trick.
How to clean cast iron intake manifold. Immediately after blasting blow it out with high pressure air chase the carb pad holes and reinstall the studs and spray paint the outside to prevent flash rusting. It s the only way to prep a rusty manifold. Spray the graphite in several thin layers allowing each coat to dry between 5 and 10 minutes before applying another. If you can buy castrol super clean it works even better. This is rusty iron.
It s not for sale in ca anymore. In the video i m using an. As cast is defined as a raw aluminum finish without any protective coating. Followed by which connect the intake manifold back to the vacuum hose. Never apply silicone to anything except maybe rubber.
During this process spray the foam when the engine is at fast idle and keep the engine off when the sprayed foam is settling down. As cast aluminum is porous and can absorb under hood chemicals such as dirt grease and fuel resulting in discoloration rust or staining. Cast iron intake manifolds are notorious for having sharp flashing. Remove the carb studs and plug the holes with used cap screws. Clean before and after you prep your project.
Suggest a coarser blasting medium such as nickel slag. Then if you don t get to it right away clean it before you start again. After the spray dries 20 40 minutes depending on the atmosphere and thickness of the paint the top surface will have very dark dull look. If it wasn t rusty i d recommend soaking it in purple cleaner. Edelbrock intake manifolds are manufactured from a sand cast process utilizing 808 aluminum alloy and have an as cast wheel a brated finish.
How to clean intake manifold in the proper way. Today we look at a quick timelapse of the process we use to remove flashing from cast iron intake manifolds. Next allow the sprayed power foam to settle inside the line for five minutes. Always clean anything before you perform any preperation or preservation.