Things to fix and things to upgrade E99 F-350 - Ford Powerstroke Diesel Forum
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Old 06-14-2011, 06:55 AM
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Question Things to fix and things to upgrade E99 F-350

Hey everyone. I just joined the ranks of all you 7.3L E99 owners. Early last week, I spotted an F-350 crew cab 4wd (w/4w abs) dually long bed lariat on craigslist and managed to be the first on the spot. Truck has 203k miles and I paid 6800 - not bad, I figured...

Some other items worth noting:
Since it's lariat, it's all power everything - both good and bad, but so far it all works
Has running boards, steel bumpers with ranch hands and a BIG winch
100 gallon spillar tank in the bed (going to sell that)

I bought this as a second vehicle and not my daily. Main purpose is for hauling whatever needs hauled. Expecting to use it maybe once a week. Upgrading from a 95 F150 straight six which just couldn't handle what I put it in.

To preface my following question...I'm looking to make this a reliable truck and only upgrade/replace parts as they wear down and do some regular maintenance. I'm not looking for power numbers or any major upgrades. I get my fun racing small cars, so this isn't something I need on the truck. That being said, I already own the SCT pro racer package and SCT will sell me a license for this truck real cheap so I can tune it. I am really only thinking about putting an upgraded stock tune on it, however.

So, although I think it's a really nice truck, there are some things that need work. The main reason I wanted to start this thread was to get an idea of what was worth replacing with stock E99 parts and what may be worth replacing with 99.5+ parts.

- Front ball joints are gone, when turning lock to lock i get some fun noises...
- Front breaks need work, replacing rotors/pads
- While I have the front end apart, I'm considering doing the u-joints (at least inspecting them thoroughly)
- At least one of the injectors is dead. I get a clearly noticeable miss at low rpms and power isn't quite where i would expecting from having test driven other powerstrokes from these years. I already ordered AE software to do the buzz test and see which ones are the culprit.
- Steering has just a little bit of slop in it. Not sure if this is something to worry about, it's definitely not as bad as it was on my f150 (f350 is about 1" steering wheel movement, my f150 was about 1/8 turn!)
- There's a shimmy when accelerating from stop, like something's loose, could be the ball joints?

That's really about it, everything else seems in order, the auto tranny shifts nice, i don't see any major leaks, etc.

So the big question is. As I'm working on fixing the above, are there items I should be replacing with newer model ones? For example, does it make sense to replace the injectors with 99.5s? I assume I would need to re-tune to do this? I think i read somewhere that a turbo from 99.5 is bigger, is this a direct swap? In general I'm leaning to stay on the safe and reliable side, but it's always nice to get both

Thanks everyone!

-pete
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Old 06-14-2011, 01:49 PM
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if you are going to replace the injectors go for upgrades not the stock 99.5s... as for the turbo you will have to change out the intake manifolds, spider plenum, turbo pedestal, as well as the turbo and compressor. just keep that in mind.
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Old 06-14-2011, 02:25 PM
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appreciate the input. that may be past what i want to spend even if the turbo does go out. do upgraded injectors require a tune? from gas cars i'm used to needing to change the tune to adjust the increased flow of the injectors. also, would i need to upgrade the fuel pump and hpop?

lastly, which upgraded injectors should i go with? again, i'm really only looking for stock or (over time) mildly higher than stock performance.
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Old 06-14-2011, 02:38 PM
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Replace the front wheel joints aswell hubs and lockouts be alot easier to do it all once while you got everything apart and switch to warn preminum's if you have a manaul transfer case diffentely makes a difference and check the intermidate axle shaft on the driver side that might be the funny noise you here when yuo shift mine went out simple way to check turn hard over to the driver side and take your hand see if you can move the end of the shaft if so then the shaft is junk
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Old 06-14-2011, 02:39 PM
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Turn or steer not shift lol
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Old 06-14-2011, 04:58 PM
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Detox, what are the "front wheel joints"?
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Old 06-15-2011, 10:20 AM
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if you get bigger injectors tunes will help out with but honestly you just need more oil pressure. a good high pressure oil pump will cost you around 600-700 bucks and is fairly easy install yourself. this will allow you to run up to stage II injectors.
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Old 06-15-2011, 11:13 AM
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The 17 degree T500 terminator will let you run hybirds
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Old 06-15-2011, 02:22 PM
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Stage I is the highest i'm considering. currently i'm between stock rebuilt and stage I. from talking to the vendor (diesel power products), it seems I should be able to run the stock pump on stage Is with otherwise just a chipped truck with no other modifications. I see the HPOP as an upgrade only if I get a code after the injectors go in or if the HPOP goes out. does this sound reasonable?
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Old 07-17-2011, 02:22 PM
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you may also want to get with tony at total diesel performance up here in dallas, good guys there and very helpful, he makes a very good 6 position chip with whatever tunes that you want, i got stock, mpg, tow, heavy tow, street, extreme. already have the 4in diamond eye w muffler delete installed and monster 5in tip on along with open air filter, next is 6.0 trans cooler install w fresh fluids, guages then the chip so can see what it is doing to her. paid quite a bit more for this one as was 1 owner and only 74k on it, so she has to last.
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