whats done to my truck?
First pic I'm holding a factory head bolt, to the left is a ARP stud/nut.
Next pic is the tubing of a aftermarket EGR delete, yellow "X". Located on pass side between the valve cover and turbo.
Factory EGR cooler might be welded shut, only way to tell is to remove up-pipe and stick finger in EGR cooler to feel welded plug.
No real way of telling if the truck has been tuned without pulling the heads to look at the spray pattern, you can look at the firewall behind the parking brake, some programmers require a hole drilled thru the rubber oval grommet to pass wires thru, but so do gauges. You can also check on the exhaust manifolds for a EGT probe, and also look on the down pipe. Some programmers "piggyback" into the PCM/harness, the PCM is behind the driver side battery, tucked under the fender. You may find the programmer bolted in this area.
If you stomp on the pedal from a dead stop, does the exhaust tip dump out black smoke. A stock tuned truck won't blow black smoke unless there is a damages CAC/exhaust system.
You could post lots of pics of the engine, I'm sure we can tell you what we see.
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2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB