Why ceramic coat exhaust
You can apply them to body panels, plastic parts, trim pieces, rubber, glass, and all types of metals. However, their application goes beyond just the cosmetic. Ceramic coatings have very real performance and durability benefits when used throughout the engine bay and exhaust system.
Torque outshines and repels water way better the F Six days in with 4 being heavy rain days in the 80's and parked in direct sunlight, you would think I had just detailed the truck. That is a very high temperature coating. Such as our popular Ceramic Shine product , great for getting shine and protection on the body of your car and it even works on exhaust tips!
The job of the exhaust system is to evacuate spent gases from the combustion as quickly as possible, emptying the cylinder and allowing a mixture of fresh fuel and air to enter during the intake stroke.
Obviously, the biggest performance factors for your exhaust are the diameter and layout of the pipes from the manifold all the way to the tailpipe. One thing any exhaust system new or old can benefit from is improved heat management. The majority of the energy is wasted as heat, which exits through the exhaust system. Exhaust gas temperatures EGT usually sit at around degrees F when the engine idles, and climb up to 1,, degrees F at wide-open throttle. High performance and forced induction engines could see temperatures rise as high as 2, degrees F.
Heat cycling metal components will cause them to weaken over time and accelerate corrosion. Exhaust manifolds, headers, and hot-side turbo housing are always covered in a thick layer of surface rust. Metals, especially steel and cast iron, are great heat conductors. When the exhaust system absorbs the heat from the combustion gases, it radiates it out to other components in the engine bay.
The heat soaks through into the bolts and studs, causing them to rust and seize, turning a minute removal into a full weekend project. There are all sorts of plastic covers and tanks, wiring, electronic sensors, rubber hoses, belts, and boots in the engine bay. All these materials face accelerated degradation and ageing when exposed to heat. They dry out, harden, and eventually crack, unleashing a host of other problems.
This issue becomes more apparent in tightly-packed engine bays, where performance modifications have increased the amount of heat stress beyond what manufacturers have designed into the components. Special, high-temperature ceramic coatings can help you manage that heat and trap it into the exhaust. By coating your exhaust system with high-temperature ceramic paint, it will form a mm-thick layer of insulation over the parts. The coating keeps the heat sealed within the pipes, lowering surface and overall engine bay temperatures.
How much cooler? Ceramic coating has the most noticeable effect on the hot side of the engine and the piston crown, but you can also apply it on the block, heads, valve covers, and even on the intake. You can also coat brackets and even existing heat shields already installed in the engine. This is a common misconception. A heat insulation blanket, turbo blanket or exhaust wrap actually provide less heat strain on components by reducing heat soak opportunities, meaning that the chance of failure is lower.
The heat energy stays stored within the gas, hotter gases accelerate far better than cooler gases, and so allowing that energy to expel itself out of the exhaust system itself. No additional heat energy is retained by the component itself. Win all around! Lower engine bay temperatures, less heat soak, lower intake temperatures, more reliable performance and faster spool up! Win, win, win!
All of these things can easily cause corrosion, rust, and ultimately, exhaust failure. High temp ceramic coating can improve the performance of your engine's horsepower. It helps increase the speed and maintain the quality of exhaust gas flow while keeping the temperature of the engine low. When you apply the coating to the exterior, it can make the exhaust flow faster, allowing for a reduced loss of power and temperatures. Ceramic coatings are available in a variety of colors that add a nice pop to your exhaust system.
They give your system an overall look of polished chrome. The luster it offers does not fade so you do not have to worry about cracking, peeling, or bluing of the material. One important thing to note is that excessive heat from a poorly tuned engine can actually damage the ceramic coating of your exhaust manifold or other coated parts.
Make sure all adjustments to camshafts, springs, valves, timing, and fuel injection system are done, otherwise all the time spent coating your manifold and other parts could be time wasted.
Whether you are looking to restore your dream car, or you would like better performance and protection for your everyday car, the do-it-yourself option for ceramic coating can save you some money that can be used for different areas of your vehicle. The price really depends on the version of your exhaust manifold, each part needs a process before applying the ceramic coating. Remember that there are estimates.
Deciding what brand name or type of coating would be the most difficult choice. Professionals will have fancy chemicals to help assist them, but a strong household degreaser can work just as well.
If you do not have a sandblasting tool or access to one, then you can use steel wool or sandpaper. It may take longer to do, but prepping the surface is a must. Prepare your work area.
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