Bob, both Chris and I run with the higher FPR and we are both a little under 300bhp, I think there is one tuner that recommends the higher FPR whilst the others dont mention it. I have been experimenting with both FPR's over the last few months. I first questioned the FPR after a dyno result that I had that was maybe just a tiny bit lean at WOT. I spent some time with the Abbott tuner and we couldnt get any really conclusive results to prove that there was an advantage to using it. However my experience is as follows. Using the higher rated FPR does lead to a little carbon build up whilst cruising around town, but this clears the first time that you put your foot down. My feeling is that strangley I appear to get a slightly better mpg when using the uprated one I have no idea why. Also the car does seem a little quicker on the throttle at over 5000 revs, I guess the car isnt struggling at all to get the fuel in. I know I have no proof but its just a butt on seat feeling. The other major advantage is that you arnt going to lean out, particularly at WOT in higher summer temps.bobsaab said:I am a MY 2000 Aero at MapTun Stage 4+. My tuner, after I asked, said no FPR necessary.
However - a couple of times on various threads it has been mentioned that this is recommended at the 300 HP level.
Guidance/comments gentlemen please.
300 hp through a saab autobox, you're brave.Chris 9-5 said:Nordic however plan to exploit this even more hence their suggestion that their ECU wiill produce almost 300 bhp and 420 Nm
Ah with this in mind Nordic have detuned the ECU from 340 bhp to 297Raven18940 said:300 hp through a saab autobox, you're brave.
Its not the bhp that will kill your tranny, more like the torque "behind" a certain bhp, which of course is dependant on RPMricot83 said:o ya in regard to the auto box blowing up.. i also have one just for the record HP will not blow a tranny torque will.