Can I swap engines from a 2002 to a 2005 Ford F150 XLT Triton 8?

Asked by Nov 19, 2015 at 03:36 PM about the 2005 Ford F-150 XLT 4WD

Question type: Maintenance & Repair

I bought the 2005 Ford F150 6 months ago and it's had one problem after
another with the Triton V8 XLT ever since. After $4,000 in engine work, and
after the last oil change, the oil pressure tanked and the engine seized up. The
dealership it was towed to says the engine is shot and has to be replaced.
I also have a 2002 F150 with the Triton V8 XLT that I put a new Jasper in 3 yrs
ago - the original engine kept blowing out spark plugs.
My question is if I can put the 2002 engine in the 2005?

4 Answers

It will probably drop right in, but before you spend money and effort, many States have emissions laws that a replacement engine must be the same year or newer than the recipient. yep, those Triton heads only had 4 turns of threads and on aluminum heads on top of that. They blew out like bullets. . It was ridiculous

6 of 6 people found this helpful.

http://www2.epa.gov/sites/production/files/documents/engswitch_0.pdf

2 of 2 people found this helpful.
20

Having the same problem with my 2 valve 5.4 in my excursion. 6 spark plug hole rethread. And now one of those rethread is stripped. Looking to replace with another engine that will bolt on without much modification that is not blowing plugs. Any suggestions

2 of 2 people found this helpful.
10

Engines changed to 3 valve in 2004. Until 2008, I believe. I wouldn't buy an F150 from those years. Get one prior or after. Trying to "rig" an engine that does not belong to the year is a recipe for trouble.

1 of 1 people found this helpful.

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