Thread: Fuel Injectors

okay, I have been told differing things. I was told NOT to use the 550's unless I am running a piggy back or management controller. I have a set of 550's now, just chillin but didn't want to drop them in because I was told by another DSM forum that unless you run a management controller with them they will dump too much. I am having my G2 run a fuel volume test and leakdown test on the pump. I know that I am flowing at around 65 psi on max boost and around 45 at idle. Which according to mitsu is spec for the stock pump. I am going to a Walbro 195 just for good measure. I know I know. Everyone says do the 255 but I'm not going big boost. (18 psi after the motor build) you guys really have been helpful with your suggestions. Thank you so much.

So far, you're on the right track. It would be best to use those 550s and yes, you'll need some sort of piggy back or you could probably even get away with just an ajustable fuel presssure regulater. 450s won't be able to supply enough fluel for a T28 at 18psi. You'll need something to tune with anyways to get the best performance out of your car so you might as well get the SAFC or DSMLink if you can afford it.