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Re: FPR on a Viggen?
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Posted by vigge [Email] (more from vigge) on Wed, 19 May 2004 10:28:33 Share Post by Email
In Reply to: FPR on a Viggen?, Peter Barrotti, Wed, 19 May 2004 09:38:56
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RRFPR are not recommended to be used with T7 and they do not work so well. I have a adjustable FRP on my viggen and so far it was worked well. T7 is programmed for 1 to 1 rate and you will just mess up the system with a RRFPR.

There are few things to rememeber when planning a higher rated FPR on T7. Firstly and for most important the ECU needs to support this new raised pressure. If it does not then the ECU will start to adapt and will eventyally compenste for higher fuel pressure by adjusting injector open times. Adaption is done under closed loop, but it will have an affect on all the maps, even WOT. In the worst case you will have less fuel in the upper registry when ECU has done its adaptions.

Consult with your ECU supplier before you do any changes. Nordic includes a 3.5bar FPR on their stage III kits, Maptun on the other hand can supply you with a custom ECU to suit your needs. I myself drive with the second option. Let the results speak for themselves 290PS/510Nm

posted by 195.237.1...

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