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WPC Treatment

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Old Oct 28, 2023 | 03:13 PM
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Default WPC Treatment

Has anyone either contemplated, or has had any WPC Treatment on any parts of an engine build? If so which parts (crank, pistons, cam, etc.)? Would you recommend it for a power added build? Also can you elaborate on weather the cost, and extended durability justified the means.

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Joe
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Old Jan 9, 2024 | 11:58 PM
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What is WPC?
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Old Jan 12, 2024 | 05:11 PM
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It's a metal treatment similar to shot peening with smaller projectiles at high velocity. It was developed in Japan. Here are a few links.

https://motoiq.com/Special-Treatment...now-about-WPC/
https://www.motortrend.com/how-to/tu...wpc-treatment/

Best,
Joe
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Old Jan 12, 2024 | 10:18 PM
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Shot peening has been proven to increase longevity in fatigue applications. But it's for racing engines.

Last edited by John S 1961; Jan 15, 2024 at 09:00 PM.
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Old Jan 29, 2024 | 10:11 PM
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It's expensive, I've done an SBC roller camshaft a few years back and I think it was $180. Removed it last year and it was in fine condition with regard to the WPC treatment. Also some motorcycle parts (Ducati Superbike Desmo Valve Train) and it's holding up great, virtually no adjustment needed but I keep the revs reasonable.

It's micro shot-peening that reduces friction and produces a more wear resistant surface.
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