Just pondering, helping a friend out with his custom turbo on a 7th gen civic...he's already set up all the piping, and is just wondering about the fuel, there is no return on the fuel line, so would the 8:1 FMU cause the car to run too rich???

 

^^^

 

If it is a returnless fuel system you cannot use an fmu!

 

What can he do???

 

an apex vafc that is his only option or any other piggy back system. he should ask the people at www.2k1civic.com they have already figured this kind of **** out


[Modified by CovertFI, 9:51 AM 6/5/2002]

 

Well my Camry has the same crappy fuel setup. You can use a paxton regulator and then create a return line. Its boost referenced but only 1:1, dont know how much that will help. The return lines arent hard to make, especially if your fuel sending unit is the same as a car with a return line (maybe one of the other models) They also sell a part that taps a return line into your gas tank. It attaches to the fill tube, its made by MOROSO and JEGS carries them. I would convert the system to have a return line, i did a lot of research on this and that seemed to be the best solution.

Good luck!

 

the mf2 additional injector setup that fmax uses will work without a return line.

 

just go piggy back and larger injectors

 

to all, hey thanks alot...it should help...

 

I don't think I would go to any great lengths to modify a car for the sole purpose of adding a FMU... considering FMUs are worthless in the first place. Put some larger injectors (370s or bigger) and tune them in with a VAFC or if he wants to do it RIGHT, get a Hondata or AEM EMS or Haltech or.....