Compression Ignition Addict
Join Date: May 2008
Location: Cheney, Washington
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I think the weak point is the stock factory down pipe that is flattened between the engine and fire wall. This causes EGTs to become unmanageable. Yes, changing the down pipe is nearly mandatory before moving forward.
You also need gauges to be able to monitor where you are in your tuning process.
2016 Ford F-350 4x4 6.7 Powerstroke, Lariat Ultimate Package.
I also still have my 97 Extended Cab 4x4 which I am the original owner of with 98,000 miles, Unlimited Diesel 175/30 Stage 1.5 Injectors, ATS Intercooler, Tony Wildman 6 Position Chip, 4" Turbo Back Diamond Eye Exhaust, Stealth SPR1 HPOP, Wicked Wheel 2, Hypermax Combo Boost/EGT Gauge, DIY Intake, FPR Mod, CCV Mod, IDM Mod, 203 degree T Stat, Stainless Steel High Pressure Crossover Line, Fitch Fuel Catalyst, 40,000 lb. Trucool Max Transmission Cooler. Next up a Bean's D-66, electric fuel, torque converter and a valve body.