Make proper logs with setzi's tool and you will /know/ instead of guessing.
FBSTABGM looks just wrong to me, KFLBTS in this setup looks almost useless. The 0.5 will do nothing in most conditions because LAMFA is richer.
Why disable LAMBTSZW completely? It is very effective when tuned right.
LAMFA at 2000-4000 RPM is pretty useless, it will not really do anything. Depending on the turbo size, go all out on LAMFA after the spool is instant. in 2nd gear WOT.
If you want to enrich at lower RPM's, enrich based on actual load via KFLAMKR and KFLAMKRL. So that you have adequate enrichment without dumping fuel in the slow spool zone, and use LAMFA in instant spool zone...
Use KFLBTS properly for component protection, don't make it always active...
Before I get flamed to high hell again - this is just how I would do things, it's not the only way to do things, it might not be the same others do, etc.
enrich based on actual load via KFLAMKR and KFLAMKRL.
enrich based on ign retard?