hfs-6 install problem??

[abcmzy]

i installed hfs-6 system on my tt 350z,runing 800cc injectors,50/50 meth
two jets one 0.9mm one 1.0mm with 0.9mm restrictor on the unit.

when every i turn off the ignition the nozzles will spray for 1 sec is that normal??

all pre-test are ok