im running a pt67 with a .81ar p-trim is there anyone here that is running this setup and how is spool and what power are you making. what mods do you have if you have a p-trim with a .96ar with a bigger turbo state what turbo you have and power and mods. i love top end power and would like to go from the 81ar to the 96ar for more top end power but if im going to spool up alot later then i would not do it unless the amount of power gain is going to be like 30rwhp or better. also the pt67 turbo with a 96ar would almost be like having a greddy t78 but with a smaller compressor housing right or wrong? i have a fully built head and i plan to rev my motor to 8000k rpm my block has stock piston and rods with arp rod and main bolts i also have 264 cams and the fuel is done up fully. im on aem. i also have the aem truboost. i have 4in dp,mp,ex. i also put a 1mm hg to have some more low end power. so can anybody let me know if they have the 96ar also if you went from a smaller ar housing to a 96ar what did you noticed from the change and was it worth it thanks.