I think it mostly depends on your right foot. My WUR pressures are in spec(1.6C, 3.3W, 5.8S) - with ~ 3.5% CO. I use a 10% ethanol blend too - that hurts.
Geoffrey from Racetek says EFI is good for a 20-25% improvement in fuel economy.
Tony '77 930
"Objects in mirror are losing"
"Oh cock..." - James May
Last edited by turbocarrera; 02-07-2007 at 10:22 AM..