 engine coatings, interesting read/info |
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| scotty b |
 Nov 23 2015, 04:39 PM
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rust free you say ?  Group: Members Posts: 16,375 Joined: 7-January 05 From: richmond, Va. Member No.: 3,419 Region Association: None  |
I went to the powder/ceramic coater today and we were discussing the internal engine coatings he also offers. That prompted me to do some research on them for future use. I found this article I thought was fairly informative being that I have a few personal engines that would benefit from some extra protection
http://www.enginebuildermag.com/2013/12/su...and-treatments/ Jake, Mark, Joe, etc care to offer personal opinions ? |
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| Harpo |
Nov 23 2015, 05:10 PM
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Senior Member Group: Members Posts: 1,304 Joined: 21-August 11 From: Motor City aka Detroit Member No.: 13,469 Region Association: None |
I believe that someone in Canada used this technology to recoat some bearings
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| bigkensteele |
Nov 23 2015, 06:14 PM
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Major Member Group: Members Posts: 2,197 Joined: 30-August 04 From: Cincinnati, OH Member No.: 2,660 Region Association: South East States 
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QUOTE(Harpo @ Nov 23 2015, 03:10 PM)  I believe that someone in Canada used this technology to recoat some bearings Well respected Canadian Mark Henry used some coatings on his six build. He shows the process in his build thread. Made a believer out of me. |
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| Mark Henry |
Nov 24 2015, 08:34 PM
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
With the QC state of new 911 main bearings I'll take DFL coated good used main bearings over new.
I don't like DFL coatings on everything, I DFL coat the softer of the 2 metals Ceramic coating are a PITA to process, I often have to recoat a good 25%of my work to get it right. They work well and a diffidently worth it, but it is often hard to convince the customer they are worth the extra cost. The material itself isn't very expensive but the prep labor is intensive and extremely important for successful coatings. I'd say most high end engine builders use at least some of these coatings. |
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| r_towle |
Nov 24 2015, 10:14 PM
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Custom Member Group: Members Posts: 24,562 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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Scotty, thanks for posting, good read.
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| Jake Raby |
Nov 24 2015, 10:25 PM
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#6
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
Been using coatings since the late 90s.. You laden that some don't get along very well, and others are miraculous when used correctly.
Coatings are not created equally. I learned early on to never do the coatings myself. Surface prep is the big factor, as well as the proper application thickness, process time, and post cool time. My favorite coating is DLC, it can't be used for everything, but it performs miracles. |
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| Beebo Kanelle |
Nov 25 2015, 01:28 AM
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Member Group: Members Posts: 248 Joined: 22-November 12 From: Houston, Texas Member No.: 15,177 Region Association: Southwest Region
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| veekry9 |
Nov 25 2015, 05:59 AM
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OldMember Group: Retired Members Posts: 3,068 Joined: 17-June 13 From: TO Member No.: 16,025 Region Association: Canada |
First used in mil applications,you would have to book an appointment with the specializing company.
An abundance of outfits in the DFW/Houston area,no doubt,be prepared for sticker shock. Essentially a shotpeening process on a microscale,and very effective in stress relief and reduction of crack propagation risers. Crankshaft radii and conrod bolt seats are a couple of places that would benefit.Fatigue resistance primarily. |
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| jpnovak |
Nov 26 2015, 12:46 PM
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#9
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They call me "Nanoman" Group: Members Posts: 231 Joined: 26-August 09 From: Austin TX Member No.: 10,736 Region Association: Southwest Region |
I have been using coatings for about 10 years. They work very well when properly applied. There is a noticable reduction in static friction when rotating a new engine. Break-in time seems reduced as well. The thermal barrier coatings (TBC) reduce engine temperatures and allow you run less timing and leaner mixtures at optimum power.
They are worth the price of admission. |
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