Compression Ignition Addict
Join Date: Apr 2007
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Don't buy a 6.0L until you get educated on them and their weaknesses.
Learn about monitoring them and then buy an engine parameter monitor BEFORE any test drive. You can get smartphone software and an ELM327 adapter for a total cost of under $50. My preference is the ForScan Lite app. It is a good code reader as well as an engine scan tool.
You may be tempted by trucks already "bulletproofed". In actuality, the term bulletproof has no real definition so it can mean many things. It also does not guarantee that quality parts were used and that the installation work was done correctly.
Most people expect 500k miles out of a diesel. That is probably not going to happen w/ a 6.0L unless you stick with it and spend some fairly big bucks on repairs. That is just my opinion. I realize it could happen, just don't think the odds are with you.
Personally I think the best bet is a low mileage stock truck that you upgrade with reliability mods after you get it.
Some of the things to look for when using a scan tool:
- oil cooler health
- high pressure oil system health
- FICM health
- injector health
Lots of threads on using scan tools and lots of threads on buying used 6.0's.
After you find one you like, I would also take the truck you were interested in to a dealership and have them check the fuel pressure. A truck that has been run with low fuel pressure will probably have expensive injector issues.
Be prepared for steering and suspension work around 150k to 200k (ball joints, tie-rods, drag links, shocks, stabilizers, cab mount bushings, etc). Brakes also - maybe those happen every 100k miles or so.
99% of folks will probably consider this going overboard, but I have a pressure gauge that I can quickly tee into the degas bottle radiator vapor hose. With it, and a few miles of test driving, I can get a quick test on potential head gasket issues. Not hard to make.
06 F250CC SB FX4 Lariat; ARP studs; OEM gaskets; Banks exhaust; DynaTrac Ball joints; RACCCV6000; JimmiJammers; Ravelco; SynchroMax in trans case; Fumoto valves; Harpooned; Blue regulator spring; DashDAQ; PHP FICM; RiffRaff boots; DCPower 270AXP; Power Inverter; Bilstein shocks; BPD EGR cooler, radiator, water pump; SCT w/ SRL+; Rotella ELC Ultra Coolant; X2Power AGM batteries
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Last edited by bismic; 06-13-2019 at 12:22 PM.