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Discussion Starter · #1 · (Edited)
any updates @Easy Rooster ?

in the same boat with a #7 cyl. Getting my nerves up to pull the trigger. either a KDD or Choate
Consider an engine conversion. I did a full Cummins conversion, by myself, at home , working just on the weekends, in less time that it takes to get a replacement 6.4L long block delivered.
Couldn't be happier with it. Its such a popular conversion that most parts are off-the-shelf and very little actual custom work needs to be done. The 08-10 trucks are great in all areas except reliability, a Cummins fixes that issue.

Here's a link to a build thread that details most of the conversion process.

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thanks. Im pretty lost at this point.

Ill add a lil backstory to my dilemma --
New to me 08 6.4L 4X4 F550 Host Motorhome. Sick rig. Stoked.
Thought i did my homework on the purchase. It had a new Ford Reman. 6.4 installed by a professional?? shop 8k mi. prior to purchase. Prior owner overheated original motor on hwy and kept driving it still it blew. I contacted the shop that did the work and discussed the replacement, studied up on their reputation- all seemed legit. Prior owner spent $20K replacing it. All service records. It never had a regen. cycled thru it after the replacement, due to a diet. I was hoping that was a great thing and solved many of the 6.4 concerns. SO VERY WRONG!

Owned it for less than 4K miles. Oil and filters changed the day i bought it. drove amazing.
I blew #7 injector out of the block on the Hwy 400mi. from home. never threw a code, no prior performance changes. Ran like a top till poof. It still started and ran VERY rough post incident, after adding 2 gal. of oil. I was able to pull it off the hwy to get a tow to a shop.
Its at a shop, one that came recommended highly for the area by people i know. Hopefully they are honest.
Shop is pulling the motor atm, then we see what the real damage is. Its a Class C camper so no body off. Motor came out thru the front.

Not in a position currently to do the work myself, though id love to learn the 6.4 and VALUE all aspects of the DIY build. Just dont have the time or space to tear this rig down atm. And its 400 miles away in a shop.
Im a Toyota guy and been wheeling my whole life, built a number of Toyota engines and done plenty of crawler fab work. My garage is full of tools, i normally love this ****.
Im no baller so cant throw the bank roll at it. But im here so 馃槀馃槀馃

As i stated earlier.
Considering worst cases-
Replace motor with Either a Choate or KDD. Reliability and longevity is my goal. We tour Baja deep, and i want to know im solid, and be able to fix a problem if it arises.

@Chaote has the Workhorse 6.4 on a pallet ready too go.
@KillDevilDiesel seems like they may have quite a wait time, im in process of discussing options with them. But they also sell a NEW block- if mine has damage and won't qualify for a core. That is a huge plus.
Anyone have legit cautions against either of these builders? One is newer to scene, one has a solid rep.


gonna start studying up on the Fummins possibility. Your thread will be the start!!

If i install a beauty of a 6.4L built strong, am i gaining anything in a Cummins? Or just complicating a reliable platform?
Cummins motor choice? Which one is best in power and reliability? Transmission adapters or am i going there too? The 5R110W seems like it has a decent reputation.

cost would be my other concern. Comparable to the new 6.4? remembering that ive already paid a shop to remove/disassemble an engine.

Id love peoples opinions on 6.4 builders, Fummins swap?

maybe i should start my own thread? Nothing better than a bunch of threads about the same situation


Consider an engine conversion. I did a full Cummins conversion, by myself, at home , working just on the weekends, in less time that it takes to get a replacement 6.4L long block delivered.
Couldn't be happier with it. Its such a popular conversion that most parts are off-the-shelf and very little actual custom work needs to be done. The 08-10 trucks are great in all areas except reliability, a Cummins fixes that issue.

Here's a link to a build thread that details most of the conversion process.

View attachment 779525

View attachment 779526
badass build. Great read.
Looked like a lot of work to get the small stuff dialed, but you consistently plugged away.

my favorite reoccurring quote of yours 馃槀馃槀 "Another of what I assumed would be a simple, little, easy job turned into a much longer , more time consuming, job than I ever thought it could be." --- story of my life right now.

Not gonna lie, at this moment i do not have the resources avail. to pull that off myself. Its Winter and It is coming! And i live rural middle of no where without any resources to help out.

I would be interested in some form of swap, if it was reasonable to have a shop perform. But that seems unlikely??


Here's a link to a build thread that details most of the conversion process.
 

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Discussion Starter · #3 ·
gonna start studying up on the Fummins possibility. Your thread will be the start!!

If i install a beauty of a 6.4L built strong, am i gaining anything in a Cummins? Or just complicating a reliable platform?
Cummins motor choice? Which one is best in power and reliability? Transmission adapters or am i going there too? The 5R110W seems like it has a decent reputation.

cost would be my other concern. Comparable to the new 6.4? remembering that ive already paid a shop to remove/disassemble an engine.

Id love peoples opinions on 6.4 builders, Fummins swap?

maybe i should start my own thread? Nothing better than a bunch of threads about the same situation
Just google around the internet on Fummins swaps, there is enough out there to keep you reading for awhile. At the end of the day its a personal preference decision. The P-Pump Cummins 12 valve I chose is far more reliable that the 6.4L PSD (and much less complicated) , I seriously doubt anyone would even bother to argue about that. But any swap makes the vehicle custom such that your regular every day repair shop won't want to touch it.

I did the conversion 100% by myself (didn't even have someone to hold a flashlight), so it can be done. But it was a big time/ effort commitment.
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Discussion Starter · #4 ·
I would be interested in some form of swap, if it was reasonable to have a shop perform. But that seems unlikely??
Yeah, shops with do them, but it isn't cheap.

Diesel Conversion Specialist (DCS) , the company I bought the conversion parts from, does the conversion turn key in their shop.

Talking with a performance diesel shop in my local area (near San Antonio, TX) they said it'd be at least $15K in labor charges (no parts, just labor) for them to do a similar conversion.
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@Antonm @zidaro

Please continue this conversation in another thread. The cummins/fumins swap is well known with any amount of research and 3-4 big names make full on kits with everything. This PARTICULAR thread follows one persons expereince with a 6.4l. If you have issues/ your backstory please start your new thread so it can be continued there in a fresh thread not in the middle of another. This will help others find yours and not overshadow another longer thread keepings things way more organized for everyone.
 

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Discussion Starter · #6 ·
@Antonm @zidaro

Please continue this conversation in another thread. The cummins/fumins swap is well known with any amount of research and 3-4 big names make full on kits with everything. This PARTICULAR thread follows one persons expereince with a 6.4l. If you have issues/ your backstory please start your new thread so it can be continued there in a fresh thread not in the middle of another. This will help others find yours and not overshadow another longer thread keepings things way more organized for everyone.
This PARTICULAR thread is titled " So I've blown my 6.4 Power Joke, Do I bother fixing it? " , so the discussion we're having is relevant to the topic. Which makes that option one possibility for any future someone that may be searching for the information under such a topic title, so it IS organized for everyone.
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Looks like the keyboard warriors got offended and deleted a few pages worth of useful information. Oh well.
"Oh well" would be not needing to type that @Antonm, now you have the attention you need.

thread is literally the thought process of what to do when the 6.4 blows and needs replace. And so is every single sentence so far that i have added.
Maybe you are new to forums, or the internet, nonetheless lets not swim upstream.
 

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rooster has picked his poison ( KDD 6.4) and is keeping that thread alive and in that direction
you helped zidaro and I agree with Heavy it is best to let that other thread live Cummins free since that ship has sailed for him

in other words this is a great topic and deserves it's own thread and I totally agree I would go cummins before the best 6.4 money could buy
 

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Discussion Starter · #12 ·
rooster has picked his poison ( KDD 6.4) and is keeping that thread alive and in that direction
you helped zidaro and I agree with Heavy it is best to let that other thread live Cummins free since that ship has sailed for him

in other words this is a great topic and deserves it's own thread and I totally agree I would go cummins before the best 6.4 money could buy
True, Rooster picked a poison, but that poison hasn't shown up yet (that we know of ), and his truck is still sitting somewhere not able to move under its own power. So he still could go a different route. I know I would at this point, even if that different route were a 6.4 from another supplier.
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True, Rooster picked a poison, but that poison hasn't shown up yet (that we know of ), and his truck is still sitting somewhere not able to move under its own power. So he still could go a different route. I know I would at this point, even if that different route were a 6.4 from another supplier.
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Neither you nor I can verify he is still waiting or if hes driving the truck. Hence why Zidaro tagged him to see if he would respond. Your information is good and helpful TO OTHER people. Give the other Rooster guy some time to respond as hes not super active outiside his progress updates with KDD. Talk about all the alternatives (all WELL KNOWN) with Zidaro here and move on.
 

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So. back to the conversation about replacing a 6.4

Contacted KDD. very pleasant and helpful discussion. However-- lead time for any short/longblock build is no less than 5 months out atm. FYI.
Kinda rules out that avenue if i have any need for a drivable rig in the near future as most do
 

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Damn. Words are flying, and $h!t. All I wanna see is someone put a built 6.0 in a 2008-2010 PS. I believe in you all, lol.
Aint no one swapping a 6.0l in it lol... They usually try and bulletproof the 6.4l with $$$ or join the Cummins fanclub for $$$$$$ or more commonly get it running enough to sell and dump it on some naive new owner and they join a forum like ours looking for help lol.
 

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Hey, the man wants a Frankenstein monster truck. I just hope he knows enough about it to do work on it himself. I know it's not an unheard of mod, but to my knowledge there's much less resources out there for the swaps than any of the straight vehicles.

I know I'd be lost without help on the advanced stuff, and while people might say it's more reliable, that doesn't mean that nothing will ever come up...
 
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