Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Dumb Idea of the Day(TM)?: removing a compression ring to mimic the XFi 1-ring piston

ncs · 02-13-2009, 11:31 AM

You mean gapless pison rings.

Total Seal Rings Top-End Performance

Another fun idea is getting the piston skirts coated with anti-friction material, and the tops with ceramic. I don't think anyone has done it for mileage and documented the results.

02-13-2009, 11:31 AM	#17 (permalink)
ncs EcoModding Lurker Join Date: Jul 2008 Location: Idaho Posts: 45 RockMagnet - '04 Subaru Impreza wagon WRX 90 day: 26.16 mpg (US) Thanks: 0 Thanked 8 Times in 7 Posts	You mean gapless pison rings. Total Seal Rings Top-End Performance Another fun idea is getting the piston skirts coated with anti-friction material, and the tops with ceramic. I don't think anyone has done it for mileage and documented the results.