Hello,
B99 is available at the pump here in Santa Cruz CA. and I've been burning it in my tractors for about six months now with no ill effects. I'm looking to buy a new box truck and Ford is discounting the '06 LCFs heavily. These trucks have a 4.5 Powerstroke diesel with twin turbo, it's basically a 6.0 minus two cyl. I understand ford only recommends up to b5, but will this truck run reliably on b99? Thanks