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Discussion Starter #1 (Edited)
Looking for a little advise. I have a '05 F350 6.0. Other than blue spring upgrade and coolant filtration system it's stock. Bought it in '13 at ~90k miles now at 178k. Did have the FICM go bad in '15 and the tranny replaced in '16. I do have a 36ft Toy Hauler (~16k lbs loaded). I've used the truck as both a daily driver and to tow/haul. Over the last few yrs I have noticed the mpg go down slightly (~14 hwy now, was ~16-17 when I bought). I've also noticed it seems to have more turbo lag then it used to (I assume carbon build up not allowing the vanes to fully operate). It had sticktion since day 1 (I control it the best I can with full syn oil and friction modifiers (rev x, archoil, etc..) and a periodic seaform treatment before oil change. Its still there, but I guess its managable with engine warmup. I've Recently considered getting a newer F350 ('12-19' w/ 6.7) based on these issues and its age, but that's gonna coast me $40-45k and I'd rather spend that kind of money else where.

So here's the question, should I leave the truck alone and just keep going or do I spend $5-6k to see if I can push another 7-10 yrs out of it? If so what are my best options?

Here's what I was thinking:
ARP Stud kit
EGR delete
After market turbo (garrett powermaxx 2 with wicked wheel)
Maybe a new exhaust (4 inch and remove the CAT, I'm in Louissiana so I'm not concerned from an emmisions standpoint)
And maybe a tune

What about injectors? Leave them alone, replace, could they be cleaned?

Thanks
-Will
 

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Considering that you're sort of battling striction, maybe consider new injectors instead of a stage two turbo.
You'll see some pretty big gains with the list you have, especially with a tune for MPG.
 

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Other than trying to eliminate some problems before they happen, head studs cost the same with blown head gaskets or without. Might as well let them blow before spending that kind of money on it. Do you have a way to monitor temps? You may get a long time out of the truck before anything is needed. I’d hunt the mpg upgrades before the head stud job. Unless you have money to spend and want it done for peace of mind. It’s your call at the end of the day.
 
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