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i`ve got a version 2 STi RA that i`m hoping to get up to about 320 ish bhp, will i need to upgrade my injectors? ( i already have a frount mount intercooler, apexi ecu, uprated fuel pump and 3" exhaust) i think that i have 380cc fitted as standard.
550's would be good but 440's off of a UK MY99/00 would allow fueling up to 340-50 so they would be fine and a little cheaper. I think, and I will stand corrected if I'm wrong, that 380's would struggle and not cope at your required level. I'm not sure if these would be a straight swap but someone will know.
dont know if the later ones will be a straight swap but v3 sti 440s will and they'd be enough for what your after a lot cheaper too,managed to get mine for £25 and that was for a complete v3 inlet manifold
Thanks for that chaps, I reckon i`ll go for the 440`s. i done a bit of research and i belive versions 1-4 will fit and 5/6 are fed differently but you can get adaptors to fit the earlier fuel rail.
29 March 2009, 08:45 PM
Injectors
a lot cheaper too,managed to get mine for £25 and that was for a complete v3 inlet manifold 
