How To Clean Cast Iron Exhaust Manifold
It also leaves the surface of the manifold lightly textured which.
How to clean cast iron exhaust manifold. Fully submerge the manifold and riser separately in full strength muratic acid for 90 minutes then rinse throughly. The paint will dry to handle in about 2 hours. How to clean out exhaust manifold. Spray the graphite in several thin layers allowing each coat to dry between 5 and 10 minutes before applying another. Then you would want to sandblast the manifold to remove any loose pieces or dirt the degreaser couldn t remove.
You will likely need 2 gallons. 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. You would need to scrub the manifold again and again after letting it sit for a while till you are satisfied with the appearance. Paint and many high heat coatings often don t last in this environment and when they start to chip peel and burn they often look even worse. How to clean cast iron exhaust pipe and manifold.
Professionals will have fancy chemicals to help assist them but a strong household degreaser can work just as well. Once you are done thoroughly wipe the manifold and apply some dressing. Sand blasting or media blasting can make cast iron look like new. The bead blaster is the most obvious and gets good results. Spray the bolts on the manifold heat shield usually found on recent cars with lubricating solvent and remove with socket wrench.
When time is up fill a small container up with a sudsy solution of warm water and liquid dish detergent and pour it over the part slowly to rinse it. Spray a liberal amount of cleaner onto the manifold then allow it to sit for 20 30 minutes. If you get too far away the paint will dry in the air and result in a gritty finish. When doing two light coats as recommended above you can apply the second coat after about 15 minutes. For exhaust manifolds there are a couple methods you can use.
Clean the part thoroughly with a foaming engine cleaner. After the treatment paint it with a good. Of course you would have to remove it from the car first. Rusty cast iron exhaust manifolds or even master cylinders can be a distraction in a neatly detailed engine compartment. Apply some lacquer thinner and use a scrub brush to vigorously scrub it.