Thread: R&D Powershot Fuel computer
04-13-2007, 01:01 PM #1
R&D Powershot Fuel computer
Anyone got any feedback on this?
Thinking of adding it to our near stock ski - hoping to get some intial performance boost and ensure there is always enough fuel for other mods (RR SC impeller....)
What do you guys think?
04-13-2007, 01:22 PM #2
'ou812' is the only one I know of that has one on his 4-tec
04-13-2007, 02:48 PM #3Always enough fuel for other mods
I have talked to some fuel injection experts and they all say the same thing, that box is garbage!
04-13-2007, 03:28 PM #4
They claim to stretch the injectors firing pulse to provide more fuel...
04-13-2007, 03:44 PM #5
The injectors will eventually run out of duty cycle!
Need more fuel? Simply install 42# injectors. Need even more fuel than that then you can jump to 50's and then use a real fuel controller to custom map it.
04-13-2007, 04:05 PM #6
My concern with the injector route would be that it seems to lack adjustability - i dont know how far my modifications could go (cash and reliability concerns)
How much scope is there with the stock injectors?
04-13-2007, 04:32 PM #7
Stock injectors will fuel a stage 2
Add more boost to the stage 2 with the RR SC impeller or Riva stage 3 supercharger and you add 42# injectors (only $200)
Add more boost with a Rude Charger or B kit then you need 50# injectors with a fuel controller for either the stock or Rotax Racing ECU's or a Riva ECU as its mapped to run with the 50# injectors so there is no need for a fuel controller.
04-13-2007, 08:11 PM #8
somebody needs to map up for the efi gprs they would make alot of coin$$$$ Jerry do you think or how hard would it be for the efi gpr to run 42#injectors??thanks nate
04-13-2007, 08:32 PM #9
that deal looks like it belongs on my Christmas tree.. I bet it works as well too. LOL
dont cut corners on fuel control you will be sorry. One problem a DIY will find out real quick is ...they have no way of recording the changes..
04-13-2007, 09:03 PM #10
Listen to Nitro! He's the expert!
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