This last summer i completed the turbo swap in my 240z. I am running a 77 280 tank with a W255. i was wondering if anyone has done and external pump and would i be better off using the 240 tank that came in the car. I have the stock igniton setup for now, but supra 440's and a turbonetics t3/t4 .60, wondering what external pump would be best for my app. (I know..... I need EMS)