Light help????

Im going to start growing in my 3ft wide 2ft deep 5 foot high grow room and ill have a 400W HPs light and going to use all Fox farm nutes and soil for 6-8 white widows with ventalation and circulation in the grown room i want to do a SOG will i have enough room? and im going to prolly add 4 CFL with the 400W HPS will i be ok need to know?

Should be just fine. I basically grow in twice the space with 2x400W and have great results doing SOG of 16 at a time.