dandan Posted May 31, 2006 Share Posted May 31, 2006 Gents, We all know the UK/US cars run low impedance injectors with the resistor pack and the J specs run high resistance without one. Obviously the Jap spec can't run low impedance and the UK/US can't really take full advantage of the low impedance injectors properly and that's why there's a resistor pack. Does anyone know if there's a piggyback of any sort that can convert the ecu injector output from a simple switched ground of 12v to proper pwm control? I know the Emanage has potential to convert 2 channel batch fire to individual sequential (equal fire and specified crank angle differences) which is interesting but that's another story. Anyone got any ideas? Cheers Dan Quote Link to comment Share on other sites More sharing options...
dandan Posted June 6, 2006 Author Share Posted June 6, 2006 Anyone got any ideas on this? Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted June 6, 2006 Share Posted June 6, 2006 I assume you mean a cheap way of doing it, and if so, no I dont know of one. You could use say a SMC from Autronic to control just your injectors and timing but thats not a cheap option. There probably is a cheap way of doing it mate, but I would want a proven method TBH if it were my car. Quote Link to comment Share on other sites More sharing options...
dandan Posted June 6, 2006 Author Share Posted June 6, 2006 I've not come across anything in any Supra related forums that's for sure. In all fairness I doubt there'd be any huge gains even on 1000cc/min injectors on our 3litres. I am working with a system which will control low imp all day long without resistors and wondered about implementing something similar if there were good reasons to do so. However, there's 3 different settings that all need software optimizing - doing it without software would be a bit too "clunky" and to be fair another piggyback is never a good thing. Anyway, I'm running 750cc injectors on a 1400cc 4cyl motor - PWM and accurate control means she idles and tips in/out like a dream though. It just got me thinking that's all. Terry, slightly OT, how much for a set of 680 or 720 in high/low impedence? Quote Link to comment Share on other sites More sharing options...
Guest Terry S Posted June 6, 2006 Share Posted June 6, 2006 Dan will cover that in an email mate. Quote Link to comment Share on other sites More sharing options...
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