Letter 22022

Automotive Alusil block piston coating solution request  

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I am looking for a piston coating solution that will allow me to run forged aluminum pistons in my Alusil block Porsche 928. Only cast aluminum pistons (iron/tin plated) are available. Cast piston strengh does not meet my needs. I must have custom forged aluminum pistons manufactured for this application.

Solution must be durable (current cast aluminum pistons with iron/tin plating typically last several hundred thousand miles of service with proper engine maintanence).

-->Does anyone know of a ceramic coating solution, if so, where I can purchase it?

(I understand that the iron/tin plating process is not appropriate with forged aluminum pistons.)

Daniel A. Perez
- Buckland, Surrey, UK

I'm curious to see what ceramic options are avaialble. But correct me if I'm wrong but dosen't the 944 turbo utilize forged pistons with the factory "Tin" coating?

Mark Whitesell
- Hillsboro, OR

Answer or follow-up on this subject (in non-commercial fashion).

 

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