Just sharing info
Genomen van Zircotec heat mangement ( Coaten met echte keramiek oa de meeste f1 spruitstukken en carbon stukken)
Q40. Will the coating cause higher temperatures in my cylinder head? - No. Almost all of the heat that passes into the exhaust manifold is being carried away from the cylinder head by the hot exhaust gas. It is this hot gas that heats the exhaust manifold and exhaust system. Coating the manifold simply reduces the amount of heat escaping from the manifold and exhaust system, so more heat stays in the exhaust gas and this heat is transferred further along the exhaust system (so even further away from the cylinder head).
Q32. Will your ceramic exhaust coating improve performance Engine performance is improved in a number of ways:
By reducing engine bay temperatures our coating can help reduce intake air temperature. A drop in intake air temperature of just 30 o C can deliver a 6% increase in power (or increase engine efficiency leading to less fuel usage), and our coating has in fact been demonstrated to reduce underbonnet temperatures by up to 50 o C (122 o F).
By keeping the exhaust gases hot they flow more easily through the exhaust and this aids cylinder scavenging. This benefits all engine types, though the effect is potentially most pronounced for 2-stroke engines.
Keeping heat in the exhaust gas allows turbochargers to spool up more quickly making turbocharged engines more responsive.
Q30. Do I need to coat the inside of my manifold to prevent corrosion? - No.... since the exhaust gases within your manifold are strongly reducing (the opposite of oxidising) and this will protect the inside of your manifold from corrosion. Furthermore, no water condenses in this region due to the heat that is inevitably present in the exhaust gases. Internal corrosion does occur further down the exhaust (e.g. in silencer boxes) especially if the engine is run and stopped before these parts of the exhaust get hot, since under these conditions it is possible to have quite large quantities of water condensing from the exhaust gases and remaining in the silencer boxes, etc. This together with air entering from the open tail pipe leads to perfect conditions for internal corrosion, this being the primary reason for failed silencer boxes on cars that do low mileage but short journeys.
Q34. How does your ceramic coating compare with exhaust wrap - this has been independently examined for a major car magazine (read more). The findings show the performance to be similar when the exhaust wrap is new, though the wrap quickly deteriorates with use, both in terms of performance and appearance, and needs to be replaced on a regular basis. By comparison, the performance of our coating is unchanged and will continue to look good for a long time. Our coating is in effect a "fit and forget" solution.
Q37. I have been told that I should not use exhaust wrap with my stainless steel manifold because it might corrode or even crack. Is this also true for your coating? - Here at Zircotec we have coated a significant number of stainless steel manifolds and exhaust parts without experiencing any problem. Our technical specialists confirm that stainless steel can corrode (very) quickly under certain conditions, though Zircotec's coatings serve to protect against this type of corrosion and cracking. Unprotected stainless steel can suffer very rapid intergranular corrosion in poorly controlled welds or where the material of construction is poor quality. There is also a little known phenomena called chloride stress corrosion cracking by which highly stressed parts, including those made of stainless steel (such as stainless steel exhaust manifolds) can undergo extremely rapid attack by chloride. This effect can be so pronounced that the stainless steel parts will appear to have just rotted away. The worry here is that the materials used in exhaust wrap can often contain chlorides, and these can be released when the exhaust wrap gets hot. Furthermore, many chemical cleaners and road contaminants that might get trapped in exhaust wrap do also contain chloride materials. In view of this, our technical specialists advise that exhaust wrap should not be used on stainless steel manifolds or exhaust systems.