GT3076, 780cc top feeds, walboro 255, 9:1 pistons, good engine management and a good tuner and youll have the 400...you dont need cams or a big *** turbo to get theretnkapower wrote:I have a 91 s13 hatchback and i plan to keep my ka24de motor instead of swapping to the sr20det. I am going to port and polish my head, install the .5mm oversized valves with springs and retainers, along with the brian crower 272 cams. I need help finding out what turbo size to use or kit. I dont care to peice it together I just need some help from somebody. I want to generate close to 400hp out of the motor if possible.