ADD Posted August 18, 2006 Share Posted August 18, 2006 i wanna get some 550 injectors put in my Jspec, will they fit striaght in? and will there be any noticable difference? cheers Link to comment Share on other sites More sharing options...
Matt Harwood Posted August 18, 2006 Share Posted August 18, 2006 Assuming they're stock UK 550's. they will physically fit stright in, but you'll also need to get a resistor pack to make them work properly, and some kind of fuel controller to stop them overfuelling the car. Will they make a difference? - Not to power really, but if you're running high boost, they should make the safety margin better. Link to comment Share on other sites More sharing options...
Wez Posted August 18, 2006 Share Posted August 18, 2006 You could go for PE direct drop ins and not worry about a resistor pack which is added grief. Link to comment Share on other sites More sharing options...
ADD Posted August 18, 2006 Author Share Posted August 18, 2006 You could go for PE direct drop ins and not worry about a resistor pack which is added grief. they are the ones i was looking at.....cheers guys Link to comment Share on other sites More sharing options...
Soop Dogg Posted August 18, 2006 Share Posted August 18, 2006 You could go for PE direct drop ins and not worry about a resistor pack which is added grief. You'll still need a fuel controller though as the stock ECU will be applying pulse durations for 440's which of course means you'll be dumping in too much fuel. Link to comment Share on other sites More sharing options...
dandan Posted August 18, 2006 Share Posted August 18, 2006 550's and resistor pack for sale here... Boxed and ready to go. http://www.mkivsupra.net/vbb/showthread.php?t=77365 http://www.mkivsupra.net/vbb/showthread.php?t=77238 Link to comment Share on other sites More sharing options...
chris aka fonz Posted August 18, 2006 Share Posted August 18, 2006 sard do some that will fit in , but again youll need a fuel controller Link to comment Share on other sites More sharing options...
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