Just bought it! Where to start...

[fowler1x]

I just bought this 2006 Fx4- it has 75,000 miles. It had head studs put on by a ford dealer about 10,000 miles ago. No other modifications have been done to it. I've been doing a ton of reading on here but don't really know where to start. What are the most important modifications that need to be done? The most important thing to me is to keep the engine healthy and running for a long time. I don't do any pulling and drive it mostly highway miles. Any suggestions??

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[Dasaliac03]

good looking rig you got there!
first off, let her breathe!
4" exhaust, intake, and possibly a mild tuner or even customs and trust me, youll be VERY happy!

Just make SURE, let me say it again, make SURE you get gauges, to keep an eye on your egt and ect, trans temp, maybe even boost.....that will prevent alot of problems before they happen

im sure a 6.0 guy here will explain everything a little better for ya

[turbo347stang]

Coolant filter!
EGR system- Get rid of it/block it off if you can. If not, becaue of emissions get a Bulletproof cooler.
Oil cooler if you have the $$$
Ditch the gold coolant for some red ELC.
Get either gauges or an Insight to monitor your EOT and ECT.

Other guys with more knowledge will have more input I'm sure.

[fowler1x]

Great info! Ordered the coolant filter from Diesel Site about 5 minutes ago. About to get a EGR delete kit. I'm following the other thread on this page about the best kit, I'll order one of those in a minute. Is Ford pretty good about the ESP warranty if you do that delete kit?

[Superduty123]

Beautiful truck man

What did something like that cost?

Like the others said, get a coolant filter and either delete the egr (if your in a state where you can) or if you can't delete than get a bulletproof EGR

Get the guages to watch your EOT/ECT delta, should not be more than 10 degrees I believe

And watch your EGT. You can't run above 1200 degrees except for very short bursts without causing some heat fatigue in the stock engine componets. But if you never going to tow, this should not be a problem

Again, really sharp truck

[fowler1x]

Thanks for the info. We don't have emissions testing here so I'm going to ditch the whole system. I paid $24,500 plus the ESP from Ford was a couple thousand bucks. I looked for a long time for one I really liked and this one was a good fit for me. I was going from a F-150 so it's my first diesel truck. I've put about 3,000 miles on it, love it so far. I'm getting 13.3 MPG, it seems like that it worse than other people are getting, so I don't know whats up with that.

[2 stroker]

Originally Posted by fowler1x

Great info! Ordered the coolant filter from Diesel Site about 5 minutes ago. About to get a EGR delete kit. I'm following the other thread on this page about the best kit, I'll order one of those in a minute. Is Ford pretty good about the ESP warranty if you do that delete kit?

I think if you start doing deletes you can kiss your warranty goodby.
Keep it stock untill then If you add the coolent filter, good set of guages i like the Edge Insight to keep an eye on the ECT-EOT-EGR-Trans the factory boost is right on the other gauges are a JOKE when they move it is to late. A fuel pressure gauge anything under 45 lbs kills injectors and a oil by-pass these injectors like clean oil and syn oil, i went with the Amsoil system. The stock Ford filter cleans it to 20 microns and the by-pass cleans to 2 microns. Use only Ford filter (oil-fuel-trans)
2 stroker

[travisH3]

the eot and ect should not get more than 14 degrees
make sure you put the hammer down every once in a while, it helps clean your insides of the engine out

[Superduty123]

DO NOT, I REPEAT, DO NOT DO THE DELETE KIT, CHANGE YOUR EXHAUST OR ADD A TUNER WHILE YOU ARE ON THE ESP WARRANY, YOU WILL GET FU*KED GOOD IT YOU HAVE ANY PROBLEMS WITH THE ENGINE AND TRANSMISSION


PROMISE ME THAT WHILE YOU HAVE YOUR ESP IN EFFECT YOU WON'T DO ANY OF THE ABOVE!!!!!!!!!!!!!!!!

[junkman306]

13.3mpg is definitely not good. I'd be checking that out.