CHRIS P

I have fitted 850 primaries with 64.6% and 0.04 and on any deceleration around the 2k mark or changing gear under hard throttle, there seems to be a huge amount of fuel igniting either in the exhaust or out the tailpipe.
is there a simple adjustment I can make before blowing my exhaust to pieces and melting anyone who comes within 4 feet of my tailpipe.
thanks for any advice in advance
Chris P
PS has anyone got a suitable map for my set up:
1996 twin turbo
3 inch system
large front mount
apexi ind kit
os giken twin plate clutch
850 primaries
apexi fuel pump
power fc