How To Clean Cast Iron Exhaust Manifold
Rusty cast iron exhaust manifolds or even master cylinders can be a distraction in a neatly detailed engine compartment.
How to clean cast iron exhaust manifold. Of course you would have to remove it from the car first. Apply some lacquer thinner and use a scrub brush to vigorously scrub it. You will likely need 2 gallons. Spray a liberal amount of cleaner onto the manifold then allow it to sit for 20 30 minutes. When doing two light coats as recommended above you can apply the second coat after about 15 minutes.
If you get too far away the paint will dry in the air and result in a gritty finish. Spray the bolts on the manifold heat shield usually found on recent cars with lubricating solvent and remove with socket wrench. 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. Clean the part thoroughly with a foaming engine cleaner. The bead blaster is the most obvious and gets good results.
You can buy the muratic acid at wal mart for about 3 00 per gallon. How to clean cast iron exhaust pipe and manifold. 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. The paint typically dries to touch in about 20 minutes. It also leaves the surface of the manifold lightly textured which.
For exhaust manifolds there are a couple methods you can use. Fully submerge the manifold and riser separately in full strength muratic acid for 90 minutes then rinse throughly. Sand blasting or media blasting can make cast iron look like new. Professionals will have fancy chemicals to help assist them but a strong household degreaser can work just as well. After the treatment paint it with a good.
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. Spray the graphite in several thin layers allowing each coat to dry between 5 and 10 minutes before applying another. How to clean out exhaust manifold. Im looking for a product that i can apply to make the pipe and manifold look better than the orange and black it is now. You would need to scrub the manifold again and again after letting it sit for a while till you are satisfied with the appearance.