i have a ihi rhb5 turbo and i guess the stock is 7-8psi and i was wondering what injectors will do for the dpfi. and is it dramatic to run afc? or just go with fmu?

 

You can't run injectors without something to control them. You would need something like the AFC. An FMU is not needed with that setup. You could run an FMU alone for that low of a boost and forget about the injectors and AFC blah blah blah.
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if i run the injectors and AFC will it be more reliable? what injectors will i use then if i went the AFC way? ah screw i'll just get an FMU.

 

You should use 450cc DSM injectors with the AFC. This will be much better than an FMU. FMU's suck ***, but if you want to do this as easy as possible and don't plan on making any serious power, stick with the FMU.
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yeah i'm not really looking to get serious power just for experience and i heard the 450cc dsm injectors won't fit the dpfi.

 

You are planning on using an fmu with TWO injectors. Unless you plan on running 1 psi daily and 3 psi on track days then your gonna need a new motor. You should just do the mpfi swap or at least get 450's and the hack.

 

Oh ----, I missed the DPFI part. Yeah, you're fucked. Convert to MPFI and save yourself the headache.
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yeah thats what i was thinking, but i heard the 450cc dsm injectors don't fit the dpfi holes so i was wondering which injectors will fit.

injectors - 50?
vafc - 200

mpfi swap - 200
fmu - 100

 

I could have swore that Turbo-Dan's old setup was DPFI @ 5psi with an FMU, MBC, intercooled and such.. his old setup is what inspired me to boost my hatch! so long ago.