I had the infamous cold-weather fuel leak so I decided to bypass all the Subaru design issues and just put some Perrin rails on. While in there I threw some pink injectors in and a Perrin turbo inlet hose. With the car back together, it runs fine at low load, but once the UTEC takes over it goes ridiculously rich (ie., <9:1.) I have the stock injector size set to 420, and I've slowly moved the scaled injector value from 550, to 570, 600, and 620. It's still very rich at 620, so I'm starting to wonder if the Perrin rails are having an effect on the fueling.
This post (
http://www.wrxhackers.com/forums/sho...ht=perrin+rail ) has me concerned. AKWRX implies that the Perrin rails DO affect fuel pressure; However, I am running the stock FPR, filter, and pump.
I've attached a log below, but for the most part I'm just curious if others have found the Perrin rails to affect fueling, and if so, how much. Also curious how high people are going with the injector scaling on pink 550's.
Cheers!
Code:
1998 -7.9 2.2 10 00 00 W/B +34.7 7.5 ECU. +0.0 250.00 2.0 14.58
2038 -5.5 2.2 10 00 00 W/B +35.0 8.7 ECU. +0.0 250.00 2.0 14.00
2083 -3.8 2.3 10 00 00 W/B +35.3 8.6 ECU. +0.0 250.00 2.0 14.00
2147 -3.2 2.3 12 00 00 W/B +35.2 9.1 ECU. +0.0 250.00 2.1 13.68
2182 -2.8 2.4 17 00 00 W/B +35.5 10.5 ECU. +0.0 250.00 2.2 13.65
2229 -2.2 2.5 20 00 00 W/B +35.9 10.9 ECU. +0.0 250.00 2.3 13.81
2295 -1.4 2.6 27 00 00 W/B +34.8 13.3 ECU. +0.0 250.00 2.4 14.15
2384 -0.4 2.6 29 00 00 W/B +33.4 10.9 ECU. +0.0 250.00 2.4 14.42
2460 +0.6 2.7 47 10 00 W/B +30.8 15.2 ECU. +1.0 285.00 2.5 14.00
2540 +1.7 2.8 57 20 00 W/B +28.9 16.1 ECU. +0.0 307.50 2.6 13.81
2675 +2.5 2.9 71 20 00 W/B +27.4 17.3 ECU. +0.1 352.50 2.6 13.62
2763 +3.1 3.0 74 20 00 W/B +25.3 20.2 ECU. +0.2 360.00 2.7 13.25
2829 +4.1 3.1 75 30 00 W/B +22.0 22.0 +21.4 +1.1 362.50 2.8 12.92
2962 +4.7 3.2 76 30 00 W/B +19.8 24.8 +20.4 +1.4 365.00 3.0 12.37
3089 +5.5 3.3 77 40 00 W/B +18.3 28.1 +19.0 +1.4 367.50 3.0 11.76
3180 +6.4 3.3 78 40 00 W/B +17.0 31.5 +19.0 +1.3 370.00 3.1 11.18
3287 +7.0 3.5 78 40 00 W/B +16.1 34.1 +19.2 +1.1 370.00 3.1 10.56
3411 +7.8 3.6 79 50 00 W/B +15.0 38.4 +16.0 +1.8 372.50 3.2 10.04
3516 +8.0 3.7 79 50 00 W/B +13.9 42.4 +16.0 +1.6 372.50 3.3 9.55
3667 +8.8 3.6 79 50 00 W/B +13.5 46.0 +16.0 +1.5 372.50 3.4 8.99
3787 +8.6 3.8 80 50 00 W/B +13.9 45.8 +16.2 +1.4 375.00 3.4 < 9:1
3894 +8.8 3.7 81 50 00 W/B +14.9 46.4 +17.2 +1.2 377.50 3.4 9.05
4035 +9.2 3.8 80 50 00 W/B +15.8 49.4 +18.0 +0.9 375.00 3.4 < 9:1
4135 +8.6 3.8 79 50 00 W/B +15.8 50.2 +18.6 +0.9 372.50 3.4 < 9:1
4171 +9.0 3.8 63 50 00 W/B +15.9 51.2 +18.7 +0.9 332.50 3.5 < 9:1
4334 +8.8 3.8 59 50 00 W/B +15.4 53.8 +19.2 +0.9 322.50 3.5 < 9:1
4474 +8.4 3.8 57 50 00 W/B +15.4 55.0 +19.7 +1.0 317.50 3.5 < 9:1
4559 +8.4 3.8 32 00 00 W/B +17.9 41.2 ECU. +0.0 250.00 3.3 < 9:1
4559 +6.8 3.5 16 00 00 W/B +24.8 34.4 ECU. +0.0 250.00 2.9 < 9:1
4604 +3.9 3.0 5 00 00 W/B +37.9 22.6 ECU. +0.0 250.00 2.5 < 9:1
4420 -0.4 2.4 0 00 00 W/B +41.7 12.4 ECU. +0.0 250.00 2.1 9.34
4535 -4.9 2.2 0 00 00 W/B +11.2 8.4 ECU. +0.0 250.00 2.2 10.21
4450 -8.3 2.1 0 00 00 W/B +10.9 5.8 ECU. +0.0 250.00 2.0 11.71