What type of engine do you have? Your still going to need a resitor box with those injectors and rail for it to work on a honda engine.

 

I would say for only 6psi you could run an FMU safely with no problems. Anything over that and you're going to want to run either TurboEdit or Uberdata(depending on OBD)with larger injectors. I don't think it's worth it to only run 6psi, but it's not my car..........
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so FMU on 6PSI on stcok fuel pump and stock injectors and stock regulator

will be ok? :1

 

Yeah but don't rely on it for very long, honestly the money for that fmu can cover most of the costs of a good tune. My entire uberdata tune including the cost of injectors cost me about 150 dollars. Get real management as soon as possible man

 

At 6psi I think it would be a waste to run a "standalone" type fuel system. 6psi isn't ----. An FMU will run 6psi no problem. Airtonics was running an FMU at around 10psi with a very nice A/F ratio. 6psi on a 12:1 FMU will raise the fuel pressure 72psi which should keep it plenty rich.

I'd hate to justify using an FMU, but we're talking about 6psi. I can fart a higher velocity than 6psi.
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8psi on my ls going on 6 month no prob.