Originally posted by evotunedscc Ok. I hate to make you beat a dead horse here, but given what I have: walbro 255lph fuel pump, holley 12:1 fmu, and a set of 450cc injectors. What else, as far as the fuel system, do I need to buy to safely run 20lbs of boost. Like I know I need megasquirt, but what other accessories with it? Will I need a FCD?
It sounds like you might be better off running the Portfueler. It sounds more your speed as far as tuning and reliability is concerned. Give HRC a call and they can pre-set it for you needs. Otherwise you need to do about 12 days of searching and reading and taking notes here to get yourself more up-to-speed on what is necessary to run a 420a based car on such high boost conditions.
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