ok the last time asked about injectors for my mp5 .. i got mostly check the mazda sites well i did but everyone on these sites are runing mad boost i just want to run 5 psi just enough to make my car fun but safe enough to drive it every day with no and i mean no down time !!!

the question is can i run my stock injectors with 5 psi of boost ? and will a fmu and a adjustable fuel presure reg all i need? im willing to buy every thing i need but don't want to buy stuff that i don't realy need !!

 

what size are your stock injectors? What size turbo? Desired HP? Does your car have a MAF or MAP sensor?

 

injectors are 280cc
small i want spool up and space
170-185 maybe 200?
maf

 

if your ecu is programmed for it, all you'd need is an upgraded pump and perhaps an adjustable regulator. If not, you possibly could manipulate larger injectors by using a SAFC. I'm highly against using FMU's, they tend to introduce a variety of reliability gremlins

 

i wisj i could use a safc but they cant use them because the maf dos'nt read the flow in the car all the time and the safc can't make up for that and it also got to do with voltage that the mazdas use from the maf to the ecu .. i've been looking for something close the a afc since i read that ..

i also know back when i turboed my escort the fmu i had was a 12-1 and that was more then i need but it was for safety ..

i got a adjustable regulator in the car already

 

Are any of the parts off the MazdaSpeed Protege interchangeable? I.E injectors, ecu, turbo manifold ect... you might be able to get used parts from that motor and put them on yours.

 

hell ya!!! they are but try to find them ! the people the have that car don't know what they got and the other that mod the car keep there stuff !!! the only thing the mazda will sell you is the mani and the turbo but you got to be part of some stupid racer program !!!

i do know that the company that make the injectors for the wrx make the injectors for the protege .. and that the wrx injectors fit and work i am going the buy the hard ware parts that mod the mazda speed like the better mani intercooler and that stuff .. but the injectoers and the feul mangement is what im having problems with not much out there and the mazdaspeed has bigger injector then what the car would ever use for that turbo

 

i think i have some 310cc injectors, if u wanna be on the safe side. Should be good for even more boost than what your looking for. They are high impedance

 

cool i think they'll work i'll get back with ya