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Ceramic Coating Manley Piston's...?
Hi Gents,
I have all parts to rebuild my Evo 8 motor, however, I am in two minds on whether I should get the tops of my Manley Pistons Ceramic Coated... Does anyone here have experience with coated pistons, and if so, please advise accordingly...? This is the write-up of the local company offering these services: Metallic Ceramic Coating (CBC2) Product Description: CBC2 is a metallic ceramic coating designed for use in combustion chamber applications on non ferrous metals. CBC2 is a unique material that exceeds the capabilities of more traditional ceramics. CBC2 has all of the excellent thermal barrier characteristics without the tendency to crack and flake, common to other ceramics. In addition, CBC2 aids in heat movement within the combustion chamber causing convection. The heat movement barrier function increases combustion efficiency, through more efficient oxidation of fuel. In addition, the polished surface is not only highly reflective to heat, but provides minimal transfer of residual combustion chamber heat to the incoming fuel mass, thus reducing the chance of detonation. CBC2 has excellent carbon shedding characteristics, which also aids performance. CBC2 is unaffected by most chemicals. Survives thermal shock, can withstand temperatures in excess of 3000şF for short periods. Applications: CBC2 is designed for single coat coverage and may be applied to non ferrous metal parts. Forms durable chrome like finish. Survives heat and forces of an internal combustion engine. Can be used on pistons for both petrol and diesel engines. May be used to protect aluminum parts. Not recommended for magnesium. See our piston burn video! Protect your expensive pistons….! Piston coating surviving 2000 degrees C. Phoenix* |
i would advice that coatings are a waste of time.
If you are serious, get them nickel coated. Here is a pic of my pistons after 7000kms (approx 4500miles) http://i162.photobucket.com/albums/t...s2/piston3.jpg Here is the combustion chamber coatings http://i162.photobucket.com/albums/t...tties2/CC1.jpg please bear in mind that this is in NZ. But i have NEVER heard of a "ceramic" coating that has lasted on a piston... Get someone to prove me to wrong. this is nickel coating (sr22 HKS pistons) My tuner has done 4 years (drifting) on the same piston and the coating has not degraded at all (3 rebuilds later) http://i162.photobucket.com/albums/t...ties2/hks4.jpg |
Oh jeez. +1. Go with nickle
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Originally Posted by RSMike
(Post 9458959)
i would advice that coatings are a waste of time.
If you are serious, get them nickel coated. I asked My fabricator today if its worth recoating and he said he hasnt seen an aftermarket ceramic coating that will hold up over time - so we decided the best thing to do is to titanium wrap it... {thumbup} |
Re: Coatings
If your going to do any type of engine coatings, then don't use anyone but Swaintech Coatings. Their white lightning coating is different from "ceramic coatings" and can really take a hell of a beating {thumbup}
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Originally Posted by jetsevo4
(Post 9460935)
If your going to do any type of engine coatings, then don't use anyone but Swaintech Coatings. Their white lightning coating is different from "ceramic coatings" and can really take a hell of a beating {thumbup}
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I've never seen those ceramic coatings for pistons, exhaust chambers, or exhaust ports prove to last any decent amount of time or provide any real benefit.
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The coatings do provide benefits, they lower the overall heat transfer into the piston.
This can be seen with a car running oil squirters. If your tune is at the limit, there will more than likely be scorched oil on the bottom of the piston. With coatings applied there is no scorching on the bottom of the pistons. So it does work. But it doesn't last sadly. With Nickel coating, the thickness can be varies depending on process time. So you can have anywhere from 3microns up (0.0001" ish) |
Originally Posted by gsrboi80
(Post 9460949)
That stuff really doesn't hold up all that well either after some time.
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Originally Posted by Erik@MIL.SPEC
(Post 9462850)
It depends. The SwainTech White Lightening Coating is holding up well on my exhaust manifold. Some of it might come down to surface prep. I also painted my exhaust mani with hi-temp black paint.
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