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I WOULD NOT TALK TO THAT MECHANIC ANYMORE.... Sorry there is just no way to sugar coat it. You need to have a ford 6.4 Tech perform a compression check using the Ford software to figure out if the blow by is normal or if there is a major issue. There is jus a lot going on and you need to see a professional diesel mechanic not the guy you talked to. Diesels and gas engines are not in the same class. especially the 6.4L power stroke with dual turbo, DPF/DEF system and high pressure fuel system. The 6.4L is expensive and requires a experience powerstroke tech or you'll spend a fortune and still not have the truck diagnosed/working correctly. failed rockers, dead cylinders, the valves can wear into the to the point where it allows oil into the cylinders from bad stem seal, it kind of goes on and on.
I say this in the nicest way possible: It would honestly be best for you to sell that truck and grab a 2013/2014 or newer 6.7L. The 6.4l is a powerhouse throwaway engine that was made for 2ish years before being totally scrapped.
-99 F250, 4X4, 6.0 trans cooler, 08 mirrors, 05 grill, AIS Intake, lvl kit, JW Vbody, cncfab hpop lines, WW2.
04 Excursion Modified, 04 F350 Modified, 06 F350 Modified
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"Its like me getting five 5 gallon bucks and throwing regular, mid, premium, #2 diesel and offroad diesel and then shooting a roman candle at each one to show which ones burns better."
Last edited by JustinOOO9; 08-19-2019 at 04:37 PM.