Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Designing a header for fuel economy (for a Metro G10 1.0L)

rmay635703 · 11-21-2015, 06:00 PM

Not necessarily on topic to this thread but has anyone ever considered variable displacement headers?

AKA a header that grows wider and narrower over the RPM band to optimize harmonics?

11-21-2015, 06:00 PM	#33 (permalink)
rmay635703 home of the odd vehicles Join Date: Jun 2008 Location: Somewhere in WI Posts: 3,882 Silver - '10 Chevy Cobalt XFE Thanks: 500 Thanked 865 Times in 652 Posts	Not necessarily on topic to this thread but has anyone ever considered variable displacement headers? AKA a header that grows wider and narrower over the RPM band to optimize harmonics?