I think you're right. I haven't backed out the mixture at all since removing the snorkel. I was thinking that was the likely answer. I'm going to order a set of Brent's screws but until they arrive I guess it'll be OK ??? So....which way is out ? Towards the front is richer or leaner ?

'06 Speedmaster, DBA Performance Pipes, re-jetted, needles, Snorkel / AI removed, shiny bits......