Questions...
How do you know your gettin AFR of 12.1 if you havent got a wideband?
Whats your plug gap?
Is your walbro pump working alright, because i seem to remember a ghetto way of wiring it in?
Log, 020, 118, 114, 002 and 115 if you can?
What MAF and what element are you using?
If theyre logging WG duty then i assume theyre using VAG COM?