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Feb 26, 2009 | 01:10 PM

Dforgy

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Quick engine Question

need quick help and search isnt getting results i need. My Parents have a 2000 F250 with the Triton 5.4 that the truck is totaled. My Father in-law has an '03 F150 that also has a 5.4 but the interchange book says they are not the same. Can they be interchanged?

Feb 26, 2009 | 01:46 PM

KingRanchMan02

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From: Louisville, Kentucky

They should be the same. The 2003 may have the updated cylinder heads with 8 threads per hole instead of the troublesome 4 threads per hole of the earlier engines. Other than that they should be identical. Good luck!

Feb 26, 2009 | 01:57 PM

Dforgy

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Even 1/2 ton vs 3/4 ton?

Feb 26, 2009 | 02:08 PM

KingRanchMan02

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Why would there be a difference? The F-250 is a LD model so it is the same body. The transmissions are different. The F-250LD will have the 4R100 and the other one will have the 4R70W.

Feb 26, 2009 | 03:59 PM

Dforgy

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From: Missouri

But that's one concern. Will engine code L blot up to both transmissions?

Feb 26, 2009 | 04:07 PM

KingRanchMan02

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The only possible thing that I can see there is a difference in the flex plates. That is rectified by swapping in the one that is appropriate for the transmission used.

Feb 26, 2009 | 04:38 PM

Dforgy

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Okay, i'm taking your word for it. Another guy said they only made two different 5.4's and as long as it was the L engine code it would work. The interchange book has been wrong before, but not often.

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Feb 26, 2009 | 05:36 PM

Dforgy

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From: Missouri

ahh ha, thank you. I dont know why the interchange book says no, but I appreciate the help King.

Feb 26, 2009 | 06:25 PM

#10

LxMan1

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From: Louisville,Ky.

The 5.4L are Windsor, not Romeo!!!!!!!!!

The difference is that the SD didn't get the PI engines until 01 I believe. Our 2000 F250SD where I used to work did not have a PI 5.4L.

Feb 27, 2009 | 10:58 AM

#11

KingRanchMan02

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From: Louisville, Kentucky

Thanks for the correction LXMan1!

Mar 2, 2009 | 09:37 PM

#12

rickapalooza

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i recently was searching for an engine...and apparently the 97-98 engines are different from the 99 and 2000 - 03 are the same but i put a 2000 in my 99 and interchange said its 99 only.....just my input .....