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post #1 of 1 Old 02-15-2012, 05:07 AM Thread Starter
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not sure what this is

Ok so i got about 3000 miles on new motor bored over 20 i mean a complete new rebuild all mods in sig. i have the Xrace tuned to truck now. but i think there is a problem because sometimes i can get on the throttle and hit 7psi boost and the truck takes off with good power and this is when temps are around the 100 degreee range. and sometimes when truck is warmer up closer to operating temps i can get to 17psi boost and nothing truck goes but it does not pull strong. so i have no idea what is going on new motor has 5000 on it icp at idle is 580-600 so that is normal i have no codes what so ever could it be something with the 5w40 i would not think so but that is the only other thing i can think of. i have the updated stc fitting so i know its not that and i have no hot start issues doesnt miss or stutter or anything. any ideas are welcome could it be injectors not flowing the way they should but wouldnt that cause it to run rough. thanks for the help in advance Zach

2005 F-250 Fx4 6.0
High idle mod
AFE Stage 2
5" turbo back no cat/muff
BPD egr cooler
BPD oil cooler
EDGE CTS for gauges
AMSOIL front to back
Coolant Filter
Powermax Turbo
Fuel Pressure Gauge
Arp head studs
SCT X3 tunes from innovative
Atlas 80 FICM tune from PHP
Sinister Fuel Sump
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