KFTVSA - I believe this will allow you to make a richer over run. It is set to 0.9ms in my file for all Temperatures - I have increased it to 1.4ms for temperatures 60 degrees and above. Hopefully this might create some flames.
Almost, KFTVSA is the delay time until fuel cut-off, there's a max of something like 3 seconds.
KFVAKL could be used to invoke a rich moment when letting off the throttle I believe, KFNWEGM can be used also to disable fuel cut entirely (there may be other ways to do it also).
