hey guys had my 04 nav single cab for about 6 months now bought it second hand from a car dealer with 260,000 ks on it. 5 inch lift 33's custom front bar it looks pretty good took it for a test drive and thought it was a bit slow but coming from a 260rwkw xr8 ute thought it was all in my head lol.. so far i have replaced the gearbox (went bang), head (cracked), radiator, water pump, vacume pump, all hoses the thing owes me over 7k on top of wat i paid for it.. after all that work it still feels a slow and fuel cuts at 3500rpm in 4th gear going up a hill wen im giving it to it. it struggles to tow my xr8 on a trailer is there anything i can check or change to improve power. i installed a boost gauge and its running 18psi at full boost around 3000rpm is that shit standard or wat lol ????my old hilux ran about 10 psi... im new to the zd30 scene and have no clue...