Compression Ignition Addict
Join Date: Dec 2007
Location: IA MN SD
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The superchip programmer will cost you more in the long run in repairs than what you will "save" with the mpg increase. Get an SCT with custom tunes, if you want to tune the truck.
An aftermarket air intake is a waste of money. Better to spend that money on an Insight or some other form of gauges. EGT, ECT, EOT, and FP are the most important parameters to monitor. Gauges are REQUIRED before running any tunes, if you want the truck to last.
Keeping an eye on ECT and EOT will provide you with the relative health of the oil cooler, which is known to clog and cause EGR coolers to blow, leading to even more costly repairs. A coolant filtration system will help prevent clogging of the oil cooler, and the ECT and EOT gauges will help you keep an eye on the cooler's efficiency.
Fuel pressures below 45psi will kill injectors, and in stock form these trucks run close to that boundary. If you are running tunes, the fuel system in stock form most likely will NOT be able to maintain 45psi at all times. Even with stock programming, it isn't uncommon for a stock fuel system to fail to maintain 45psi at all times.
Running 35 inch tires defeats the purpose of getting tunes for increased mpgs. No matter the programming, 35" tires will really eat up your mileage.
In summary, my recommendation would be:
- coolant filter
- then gauges (EGT ECT EOT and fuel pressure, at minimum)
- then exhaust
- then 35's (if you're sure you want them)
- then tunes
06 F250 Lariat cc sb FX4
97kmiles, coolant filter
analog FP gauge + Edge Insight w/ EGT
As of 1/5/12, one of MANY SATISFIED CUSTOMERS of Ed at FICMRepair.com