engine swap
Senior User
Joined: Mar 2009
Posts: 392
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From: Middletown NJ
A 2002 will not fit because they are 2 different engine, and a 5.4 could fit, but you will have to make other adjustments. your best bet is just to get a jasper 4.6L or one from a totalled car that was t-boned or something like that where the engine wasnt hit.
Senior User
Joined: May 2007
Posts: 412
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From: SUNMAN INDIANA
a 2002 might fit. the engine is the same, but you have to watch out for windsor or romeo engines. you also have to watch for the front covers and valve covers so that all of the actaching locations are the same. a 5.4l will fit but like stated before there will be things that will need to be changed. the only way to do a in and out swap is to get an engine just like yours
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
The differences between Romeo and Windsor are minor-the only one that'll cause you problems is the number of flexplate to crankshaft bolts. Windsors use 8,and the Romeos use 6. This is really a non-issue,all 4.6L's are internally balanced,so all you need is a flexplate with the correct number of crankshaft bolt holes.If you end up with a different year model,I'd suggest using the top end (induction,etc) from your original engine to help prevent any hassles with senor locations being slightly different,and problems with the harness.
A 5.4L would fit fine-you'll just have to alter the exhaust and the PCM will need a custom tune to be perfect. It'll run off of the 4.6L PCM, but it won't be optimal.
JL
Senior User
Joined: May 2007
Posts: 412
Likes: 0
From: SUNMAN INDIANA
Different years of 4.6l can have differnet valve covers(number of bolts) and differnet front covers(accessory location). We have changed out many engines and have had to change parts to make it work.
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
JL
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