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Can I drop a 6.2 in place of a 5.4?

Old 06-14-2018, 08:53 PM
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Default Can I drop a 6.2 in place of a 5.4?

Hi,

So my 2010 5.4 Triton blew a nut. It's currently sitting and I've yet to pull the head and see what "really" happened but there's likely a hole in a piston, there is a head gasket leak, and tons of oil has come out of my rear exhaust, along with white smoke.

Anyhow, now I'm in the market for either a crate motor, a used 5.4 motor, a rebuilt 5.4 motor, or else...... possibly dropping in the 6.2?!?!?!

A buddy of mine mentioned that the 6.2 is a much better built motor. I've googled some and scanned some forums and it seems like it bolts right up to the existing trans, exiting mounts, plus some other stuff like a new harness, a new computer (or reprogrammed computer), etc.

Q. Can this be done, say a 2011-2014 6.2 in place of my 2010 5.4?

Q. Are the 6.2's the same in the Platinum, Lariat, SVT Raptor, and Harley Davidson, minus differences in gearing and suspension, the motor is the same?

Q. What are the main things that need to be swapped (e.g. motor, wiring harness, computer or reprogrammed computer)?

Q. Can the existing computer be reprogrammed for a 6.2 or must I get a new computer?

thanks for input!
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Old 06-14-2018, 11:50 PM
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"Anything is possible with enough money."




I say find a used 6.2 and trade it.
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Old 06-15-2018, 03:45 AM
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Itís going to cost a fortune. 11+ trucks are quite different than the 09s and 10s. I would just drop a rebuilt 5.4L and use 5W-30 from the start. Itíll last you quite some time!
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Old 06-15-2018, 07:09 AM
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The transmission control module moved from inside the transmission to be incorporated into the PCM starting in 2011. You will need a new transmission as well.
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Old 06-15-2018, 09:28 AM
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I'm trying to understand the interchange numbers too for engines.. I keep seeing these two:

300-09162A
300-09162B

Where do I find the interchange for the 2010 F150 5.4 or would that not help if I'm looking to do a 6.2 since that's a modification to the norm?

I no longer trust the 5.4 which is why I don't want it.

Last edited by homer14; 06-15-2018 at 09:36 AM. Reason: typo, then change of question prior to replies.
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Old 06-15-2018, 12:26 PM
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Eh- drop a JY 5.4L engine in there and roll. **** fails. The 5.4L engine is very reliable, although the 3V top end kinda sucked with it's phaser issues. You could drop an older 2V setup in there if you want more reliability. The older 2Vs are tough as nails but don't have as much power.

It will be WAY cheap to fix what you have, sell it, and buy a 6.2L truck.
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Old 06-15-2018, 03:19 PM
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Originally Posted by Eric M View Post
Eh- drop a JY 5.4L engine in there and roll. **** fails. The 5.4L engine is very reliable, although the 3V top end kinda sucked with it's phaser issues. You could drop an older 2V setup in there if you want more reliability. The older 2Vs are tough as nails but don't have as much power.

It will be WAY cheap to fix what you have, sell it, and buy a 6.2L truck.
Forgive me, what is a JY engine?

I was thinking i would actually lose if I sold the truck as-is with blown motor, or spent money putting a used 5.4 back in to sell it then, opposed to just getting something like a 6.2 with low miles and putting it in now. I know the numbers below are off but lets pretend for a moment the scenarios, please do chime in if I'm not thinking clearly?

These are fake numbers using a constant, 4k to represent losses, also using 14k as an example blue book if the motor was ok with 115k miles. All hypothetical and meant only to represent win/loss logic on top of the obvious original loss. I welcome opinion's. I've not decided what to do yet and am open minded.

[sell as is] - seems like an additional loss to me compared to other options ending with lower miles
paid: 14k (115k miles)
blown motor: -4k
sell for: 10k
buy new used truck for 14k, get truck with near same amount of original motor miles... 115k miles

[fix and sell or fix with 5.4 and keep] - sell seems like an additional loss to me compared to other options ending with lower miles
paid: 14k (115k miles)
blown motor: -4k
fix motor: +4k plus a lower mile motor now, e.g. 70k miles instead of 115k
sell for: 14k
buy new used truck for 14k, get truck with near same amount of original motor miles... 115k miles
other option: keep the 5.4 with 70k miles (45k less miles than original) and hope that it too doesnt go to ****.

[fix and keep with 6.2] - currently seems like a win, better built motor, less miles, same truck.
paid: 14k (115k miles)
blown motor: -4k
fix motor: +4k plus a lower mile motor now, e.g. 70k miles instead of 115k, different better built motor and a 6.2
keep the 6.2 with 70k miles (45k less miles than original) and have higher confidence

Last edited by homer14; 06-15-2018 at 03:24 PM. Reason: fixed a typo from my crappy typing
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Old 06-15-2018, 07:26 PM
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JY=Junkyard. You can get a take out engine for 200 to 300 dollars. Throw it in and roll. You could easily swap it out yourself if yiu have the tools, or a mechanic would be able to do it for cheap. The exhaust is the only potential PITA. Its all coming out though, so worstcase is a new ypipe if its all correded.

Again, **** fails- dont assume every 5.4l will fail at just over 100k miles, because they don't. Way more than most of them make it past 200k+ easily.

Swapping in a used engine is by FAR is best thing to do financially here.
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Old 06-16-2018, 12:41 AM
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You can't just deduct the cost of the motor to make up the sales price.

Who would pay $10k for a truck with a blown motor? I wouldn't and most wouldn't. If someone is going to buy that truck as is, they would want it for a steal, then do the work themselves on replacing the motor and then sell it for a good profit. In reality, a non-running truck is worth maybe a couple grand.
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Old 06-16-2018, 03:45 AM
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I've had several 5.4s with 250+ and no issues.
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