I'm going to use the AFC-hack on my turbosetup and what size injectors should I use? 370, 440 or 500? I'm want to use peak/hold injectors , I have the resistor box factory. Will idle be fine with 500cc? Will 370 throw a code or should I use a FPR to raise pressure?

I can get a deal in RC's but they only come in 370/500 peak hold, sadly

Engine: B16a
PR3 ECU : stock map
Walbro 255 fuel pump
T3/t4 turbo @ 8psi

 

The 440cc will work good. The 500cc will ---- the curve up a bit more than normal, but will still work. Hopefuly it will idle at -50 and not be too rich. How good of a deal can you get on them? Better than a set of 450cc DSM's?
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And what is a good shop where I can purchase these along with a Walbro 255? Preferably in the Orlando Florida area (my cuz is there on holiday)

 

You can find DSM 450cc's all over the web. Try: www.DSMtrader.com, www.partstrader.com, and ebay. You'll even see it here on the classifieds every now and then. Same goes with a 255 LPH