Laser honing

[1972ho]

https://www.gehring.de/sites/default/fi ... -ww.pdfWow when did they start doing this and has it trickled to the performance side.

[dwilliams]

Toyota was doing it in production 20+ years ago, from their SAE papers. They were burning tiny pits in the cylinder walls to hold extra lubrication for the ring faces near TDC. Kawasaki was supposedly looking into it, but I don't know if they ever used it.

[grandsport51]

This link works https://www.gehring.de/sites/default/fi ... -en-ww.pdf

[grandsport51]

and here also

https://books.google.com.ua/books?id=ln ... &q&f=false