First pull after major maintenance, Fuel delivery problem?

[95_Talon_nt]

Possible fuel delivery problem? New fuel pump walbro 195 rewired. New fuel filter. Boost pressure tested everything OK. All new gaskets, belts, hoses, and knock sensor. Base timing good. I have quite a bit of knock for a stock 14b turbo at 13-14psi of boost pressure. Any ideas? The only mods that I have are = rewired walbro 195 fuel pump. Boost pressure gauge, Mbc, Catback 3 Inch exhaust system. Every thing else is stock.

Time, RPM,Knock, Timing, O2
00:00.11,2688.0,0.0,37.0,0.0
00:00.21,2844.0,0.0,37.0,0.0
00:00.31,2656.0,0.0,36.0,0.0
00:00.41,2719.0,0.0,36.0,0.0
00:00.52,2750.0,0.0,35.0,0.0
00:00.60,2750.0,0.0,35.0,0.0
00:00.70,2719.0,0.0,35.0,0.0
00:00.80,2813.0,0.0,35.0,0.0
00:00.91,2750.0,0.0,35.0,0.0
00:01.00,2813.0,0.0,35.0,0.0
00:01.12,2844.0,0.0,34.0,0.0
00:01.21,2875.0,0.0,34.0,0.0
00:01.31,2844.0,0.0,33.0,0.0
00:01.40,2906.0,0.0,33.0,0.0
00:01.52,2969.0,1.0,31.0,0.0
00:01.61,2938.0,1.0,29.0,0.02
00:01.73,2969.0,1.0,28.0,0.82
00:01.86,3063.0,1.0,27.0,0.8
00:01.98,3094.0,0.0,25.0,0.78
00:02.09,3156.0,0.0,25.0,0.78
00:02.20,3344.0,0.0,25.0,0.8
00:02.31,3406.0,0.0,25.0,0.78
00:02.46,3469.0,0.0,25.0,0.8
00:02.58,3500.0,0.0,24.0,0.8
00:02.69,3625.0,0.0,23.0,0.8
00:02.79,3656.0,0.0,22.0,0.8
00:02.90,3750.0,0.0,21.0,0.8
00:03.00,3844.0,0.0,21.0,0.8
00:03.11,4031.0,0.0,19.0,0.82
00:03.24,4156.0,0.0,18.0,0.82
00:03.33,4125.0,0.0,18.0,0.84
00:03.49,4313.0,0.0,19.0,0.84
00:03.59,4500.0,0.0,17.0,0.84
00:03.72,4594.0,4.0,18.0,0.84
00:03.82,4594.0,3.0,17.0,0.84
00:03.92,4875.0,3.0,17.0,0.84
00:04.03,4938.0,3.0,17.0,0.84
00:04.11,4875.0,3.0,17.0,0.84
00:04.23,5094.0,3.0,18.0,0.84
00:04.34,5188.0,3.0,18.0,0.84
00:04.44,5281.0,2.0,18.0,0.84
00:04.55,5375.0,2.0,19.0,0.84
00:04.63,5375.0,2.0,20.0,0.84
00:04.73,5469.0,2.0,21.0,0.84
00:04.82,5594.0,2.0,21.0,0.84
00:04.90,5625.0,2.0,21.0,0.84
00:05.00,5813.0,1.0,22.0,0.84
00:05.09,5844.0,3.0,22.0,0.84
00:05.19,5938.0,7.0,19.0,0.84
00:05.30,5969.0,11.0,20.0,0.84
00:05.40,5969.0,11.0,34.0,0.86
00:05.52,5781.0,3.0,45.0,0.73
00:05.65,5719.0,0.0,45.0,0.75
00:05.77,5250.0,0.0,45.0,0.76
00:05.90,5219.0,0.0,30.0,0.73
00:06.03,5188.0,0.0,24.0,0.84
00:06.15,4438.0,1.0,21.0,0.86
00:06.28,4188.0,1.0,20.0,0.82
00:06.42,4125.0,1.0,18.0,0.8
00:06.55,4250.0,0.0,17.0,0.8
00:06.65,4313.0,6.0,18.0,0.82
00:06.77,4344.0,6.0,18.0,0.8
00:06.88,4406.0,6.0,18.0,0.8
00:07.01,4438.0,6.0,18.0,0.8
00:07.11,4500.0,6.0,18.0,0.8
00:07.21,4563.0,6.0,18.0,0.82
00:07.34,4531.0,6.0,18.0,0.8
00:07.48,4594.0,6.0,18.0,0.82
00:07.61,4750.0,6.0,17.0,0.8
00:07.73,4781.0,5.0,17.0,0.8
00:07.84,4969.0,5.0,16.0,0.8
00:07.94,4875.0,5.0,16.0,0.8
00:08.03,5031.0,5.0,16.0,0.8
00:08.14,5000.0,5.0,17.0,0.8
00:08.23,5031.0,4.0,16.0,0.8
00:08.36,5094.0,4.0,16.0,0.8
00:08.46,5094.0,5.0,18.0,0.8
00:08.56,5156.0,5.0,17.0,0.8
00:08.65,5094.0,5.0,18.0,0.8
00:08.75,5094.0,5.0,18.0,0.8
00:08.85,5250.0,4.0,20.0,0.8
00:08.93,5281.0,4.0,20.0,0.8
00:09.03,5219.0,4.0,20.0,0.8
00:09.14,5344.0,4.0,19.0,0.8
00:09.25,5500.0,5.0,19.0,0.8
00:09.34,5406.0,5.0,19.0,0.8
00:09.46,5500.0,4.0,20.0,0.8
00:09.55,5625.0,4.0,20.0,0.8
00:09.64,5500.0,4.0,20.0,0.8
00:09.73,5594.0,4.0,20.0,0.8
00:09.84,5563.0,10.0,18.0,0.8
00:09.94,5625.0,10.0,18.0,0.8
00:10.05,5781.0,16.0,16.0,0.8
00:10.15,5750.0,16.0,17.0,0.8
00:10.22,5750.0,16.0,16.0,0.8
00:10.32,5656.0,16.0,18.0,0.8
00:10.43,5750.0,16.0,17.0,0.8
00:10.53,5844.0,16.0,18.0,0.8
00:10.64,5813.0,15.0,18.0,0.8
00:10.72,5844.0,15.0,18.0,0.78
00:10.85,5875.0,15.0,18.0,0.8
00:10.97,5969.0,15.0,17.0,0.8
00:11.06,6063.0,15.0,17.0,0.8
00:11.15,5938.0,15.0,17.0,0.8
00:11.26,5969.0,14.0,18.0,0.8
00:11.35,6031.0,14.0,19.0,0.8
00:11.46,6000.0,14.0,17.0,0.8
00:11.56,6156.0,14.0,17.0,0.8
00:11.64,6281.0,14.0,17.0,0.8
00:11.76,6063.0,17.0,17.0,0.8
00:11.85,6281.0,16.0,30.0,0.8

 

[timloomis]

looks like its time for and afc or maft.i know when i put my 3" exhaust on,it leaned it out just like yours,mostly in the upper rpms.