Engine swap. HELP!!!

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Oct 10, 2022 | 01:05 AM

DEvans00

Thread Starter

1st Gear

Joined: Oct 2022

Posts: 1

Likes: 0

From: Talladega Alabama

Engine swap. HELP!!!

I have a 2004 F150 XLT 4wd. It currently has the 5.4 Triton, 3 valve engine. It has nearly 300000 miles and has finally played out. I have been looking around and realized that to replace the motor with one of the same is quiet expensive. I'm wondering about the possibility of maybe taking the motor out and doing away with the computer and replacing it with a simple 302 or 351. Can someone tell me if it is possible to do using my current transmission and transfer case? And if so is it worth it? Thank you for any advise.

Oct 11, 2022 | 09:12 AM

Johnny Paycheck

Fleet Mechanic

Joined: Jul 2019

Posts: 1,307

Likes: 310

No, not doable. Transmission from the Windsors doesn’t have the same bellhousing bolt pattern.

You could drop a 4.6 in a lot cheaper, I bet, since it came as a factory option in your truck.

Oct 11, 2022 | 12:10 PM

Mark Kovalsky

Frmr Ford Trans Engr

Joined: Aug 1999

Posts: 24,704

Likes: 2,626

From: SE Florida

Quote:

Originally Posted by DEvans00

Sure, it can be done. I am certain that making it work will cost FAR more than rebuilding your current engine, and it won't run nearly as well.

Oct 12, 2022 | 11:18 AM

ojai150

More Turbo

Joined: Jan 2008

Posts: 538

Likes: 24

From: Ojai California

Quote:

Originally Posted by DEvans00

this is not a reasonable option unless you own a personal salvage yard , get another 5.4 and enjoy

Oct 13, 2022 | 08:57 AM

Trawlerphil

Cross-Country

Joined: Mar 2015

Posts: 73

Likes: 24

I went with a 4.6 2 valve. The 3 and 4 valve engines are problematic.

Oct 14, 2022 | 04:30 AM

ojai150

More Turbo

Joined: Jan 2008

Posts: 538

Likes: 24

From: Ojai California

Quote:

Originally Posted by Trawlerphil

I went with a 4.6 2 valve. The 3 and 4 valve engines are problematic.

give us more of an update, like you used the computer from the 4.6 etc ,..any other mods ?

Oct 14, 2022 | 07:52 AM

Trawlerphil

Cross-Country

Joined: Mar 2015

Posts: 73

Likes: 24

The original engine seized so I looked for a 4.6 2 valve and found one in a Charlotte junk yard. A local shop replaced the water pump and plugs before installing it, and it is running fine.