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1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage SPONSORED BY:

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  #1  
Old 02-16-2012, 08:22 PM
tink25 tink25 is offline
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Motor swap 99 f-250 5.4 will any other year work?

What year 5.4 will work in my 99 f-250 standard duty truck? I was told only a 99 will work anyone know for sure any help would be appreciated
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  #2  
Old 02-16-2012, 09:37 PM
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tink25, i cant tell you 100%, but i have been looking into this also. Reading and looking on e-bay for various motors, it appears that the 1999- 2000- 2001 are probably 99% interchangable. There might be an electical plug that has a different end... THe 2002-2003-2004 motors are "the same" and "almost" the same as the older motor. We know there were improvements in the spark plug threads and some internal changes with piston slap- clearances, etc.. Reading different things i believe that a couple electrical pllugs might be different also.. Now the 2005 on are 3 valve motors with major differences. The 1999-2001 motors are called "L" as that is the 5th letter in the serial number. The 2002- 2004 motor is also called an "L".... I really beleive that buying a 2002-2003 motor is a good idea. I was thinking of getting one, removing the exhaust manifolds and clean/ replace gaskets and bolts. Maybe remove the intake manifold and replace the gaskets. Check the sensors and see if any differences in electrical plug in. If so, take the old sensor and put in the new motor. THen install. I can find NOTHING that leads me to believe there is anything sugnificantly different in the motor operation. I do see that some motors say "no EGR valve", so there might be some 5.4 motors for heavy 250-350 trucks that did not have the EGR.. im not sure. THis is no guarantee, but thats what i have found. It also appears the Expedition motor is "almost" the same. There might be a variation in the intake manifold on some. The photos i have seen of the EXP motor look the same as my 2001 F150.
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2002 SuperCrew 4 x 4 5.4 XLT -115K miles -NEW
2010 EDGE FWD - V6 ----------40,000 miles
2002 Explorer 4 x 4 4.0 XLT --- 162,000 miles
2001 SuperCrew 4 x 4 5.4 XLT -235K miles -GONE
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  #3  
Old 02-16-2012, 09:43 PM
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here is an example of what i am looking at.. and the 8th digit should be L, not the 5th.. I am thinking about looking for a motor in the 100k mileage range for under $1500.

Engine 02 03 04 FORD F150, 5.4L, 8TH VIN DIGIT L,W/EGR | eBay
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2002 SuperCrew 4 x 4 5.4 XLT -115K miles -NEW
2010 EDGE FWD - V6 ----------40,000 miles
2002 Explorer 4 x 4 4.0 XLT --- 162,000 miles
2001 SuperCrew 4 x 4 5.4 XLT -235K miles -GONE
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Old 02-16-2012, 09:44 PM
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why dont you buy one first, then tell me how it went !! LOL
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2002 SuperCrew 4 x 4 5.4 XLT -115K miles -NEW
2010 EDGE FWD - V6 ----------40,000 miles
2002 Explorer 4 x 4 4.0 XLT --- 162,000 miles
2001 SuperCrew 4 x 4 5.4 XLT -235K miles -GONE
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  #5  
Old 02-16-2012, 09:48 PM
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this might help your confidence--- see what they say it fits.

99 00 01 EXPEDITION EXCURSION F150 250 350 ENGINE ASSEMBLY 5.4L TESTED WARRANTY | eBay
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2002 SuperCrew 4 x 4 5.4 XLT -115K miles -NEW
2010 EDGE FWD - V6 ----------40,000 miles
2002 Explorer 4 x 4 4.0 XLT --- 162,000 miles
2001 SuperCrew 4 x 4 5.4 XLT -235K miles -GONE
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Old 02-16-2012, 11:38 PM
4trk 4trk is offline
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Ok i just read this and i can tell you that the first thing a junk yard is gonna say is that you must go with the same year. But dont believe that just tell them that you want a 2004 5.4 for a f 250 . I just bought one with 56,000 for 1,300 that is a good buy .theyre the same block lol
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  #7  
Old 02-17-2012, 05:28 AM
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yeah and the 2 valve navigator motors are also the same and are more powerfull than the trucks. as long as it an L coded motor it will work. thats what the local ford dealer told me. i just did this swap in my 99. just had to swith 2 plugs that were diff.. good luck with the search
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  #8  
Old 02-17-2012, 03:21 PM
4trk 4trk is offline
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i got one out of an expedition i think is rated at 265 hp and 365 tq . just minor changes but im please . ilooked up different places and there are alot oj junk yards that will try to get over for a high milles engine at a high prize lol.
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  #9  
Old 02-17-2012, 05:10 PM
tink25 tink25 is offline
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Thanks for all the help this will give me a good start. I found a 03 with 88k for a good price might have to give it a try. Thanks agian
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Old 02-18-2012, 04:17 PM
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I dropped a 2002 Model engine into a '97 truck. Even went from a 4.6 to the 5.4L. It was a chore and a half. There was more than a few mods that had to be done, but it runs like a screamin' demon and will drink the gas doing it!
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  #11  
Old 03-05-2014, 05:27 PM
Dan Taylor Dan Taylor is offline
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i just bought a f250 made in july of 2001, by vin it comes up as a 2002. i bought it with a horrible rod knock for a good price and i found a few used engines and just trying to figure out what will work out without to much of a headache. i know the factory engine has the PI cast on the head and its a 2v, no EGR and no cali emmisions. and 8th digit is a L. my question is will a 1999 5.4 work without much headache even if its a non PI engine? and also what will have to be done for a 2006 3v engine to be installed on the truck. i don't do much work with gas engines and have never owned a 5.4 so any help will be appreciated!
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  #12  
Old 07-21-2014, 10:03 PM
lrnzn5 lrnzn5 is offline
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Hey jkeduptrk, I am looking to possibly remove a 5.4 from a 2000 f150 4x4, which is not running and replace it with a 4.6 from a 2002 f150 that runs great. Can you tell me the trouble you had and the changes that had to be made, but in reverse since im going opposite of you.
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Old 07-21-2014, 11:37 PM
BFTUFF BFTUFF is offline
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I bought an 03' to drop in my 98' as it's getting tired. After researching the differences in all the model years, you'll likely find more available with lower milage in the 03' to 04' heritage models. If your truck has an EGR valve find a replacement that does to, it will be more compatible. All the problems with these modulars were worked out by the time they got to 03' in the 2V engine. When inquiring about perspective engines, I would definitely ask for a compression check, about any leaks, and any history there is available on the donor truck to help you get one in good to excellent cond. Here is where I found mine: Car-Part.com--Used Auto Parts Market Depending on how far you are from the chosen engine, they may ask for a core in return. This will play an important part in you selection because if they're a little too far away they may not request a return core because it will cost them too much to ship it back to them. Mine only cost $100.00 for shipping to my garage door.

There are some to choose from and you can call and ask about them. Even have them send pictures of the donor truck and engine or videos of it running. I did, it helped a-lot. I also did a CarFax on the truck I narrowed down to to give me more piece of mind. It will give you some history of service and possible accidents. Mine tested out an average of 185 psi avg. overall 8 cyls. I'll be installing it soon. I was told by most knowledgable people that you will need to swap everything that plugs in from your OE truck to the new engine block to be able to run the OE CPU or you'll have to switch the whole wiring harness and cpu form the donor truck. Tooooo much of A PITA to go that route. I would definitely go with aftermarket stainless steel headers and SS bolts to avoid future exhaust manifold broken stud problems as I have. Yours being a 99' there may not be as much difference. You can also look on RockAuto.com to check and see how may parts are the same between year models, very helpful.
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Old 07-21-2014, 11:37 PM
 
 
 
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