can anyone tell me is there much of a gain to be had from putting bigger injectors into an I6 with cam/chip/exhaust/intake/extractors?

Nah, wouldnt worry about it dude. How does it go on the dyno (i.e. a/f ratios)?

If it's not leaning out at high revs dont worry about new injectors, just look after the ones you have now. I'm running standard injectors on a blown 8 - not ideal but do the job!

I havnt had it on the dyno, at the moment its only got a 2.5" pipe,

but i have extractors and a HP4 chiptourque chip sitting in the boot waitin to go on, and ill be ordering the cam soon. (if my car dont cost to much to fix. F**k thing!)

Its just that my mate has no use for his injectors any more as his car (ef i6 auto) is a write off,im not sure of the size of the injectors but i know they are bigger than standard and im wonderin if i will get any noticable gain with them. i can pick em up for bout $150-$200 for set of six.

I see.

I'll hold my ground and say you could do without them. Best bet is to get up on a dyno. More than likely you'll find that the engine already runs rich, there's probably lots of headroom left in the standard injectors.

And if you decide to replace them with larger ones, will need the computer retuned.

No need on a NA I6, the stock injectors are all you are ever going to need. If you go forced induction, then yes you will probably need bigger. There are also a lot of problems with running larger injectors as the EEC needs to be reprogrammed for them, thats why no one runs them.

urgh stuff that then! to much f**k around for my liking!