99 to 02 engine swap
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New User
Joined: May 2007
Posts: 15
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From: Queen Valley Arizona
99 to 02 engine swap
would there be any problem putting a 2002 5.4 motor in my early 99 SD
which has the 5.4 in now with 120k, the 02 only has 30k on, should I swap
the trans out at the same time? I can ge both for a good price. thanks for
any help
which has the 5.4 in now with 120k, the 02 only has 30k on, should I swap
the trans out at the same time? I can ge both for a good price. thanks for
any help
Thread Starter
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New User
Joined: May 2007
Posts: 15
Likes: 0
From: Queen Valley Arizona
early 99s were built with the small 5.4 and I'm towing a 26ft travel trailer in the Arizona mountains and short on power, plus a lot of ratteling from engine under heavy power
Cargo Master
Joined: Jan 2007
Posts: 2,243
Likes: 79
From: Roman Forest, TX
Not sure what you mean by the "small 5.4". I thought they were the same until 05 when they went to the 3V. Anyway, I think a rear-end swap to 4.30's would work better for you than an engine swap. Should be a lot cheaper too! Something to think about.
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Joined: Sep 2000
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From: Stephensville WI
The difference is the '02 engine would have PI heads.
The '99 and '02 engines are both the same size....5.4 liters.
The '99 and '02 engines are both the same size....5.4 liters.
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Elder User
Joined: Jan 2007
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From: Houston, TX
That's going to be a lot of time, effort and money and you won't hardly gain a thing in power (with regards to a stock engine swap).
The '02 5.4 will be the same as your '99 5.4. They're both the 2 valve head versions, both rated at 260 hp (flywheel).
Not until '05 do you get to the 3 valve version of the 5.4, rated at 300 hp.
If you're just looking to freshen up your truck with newer, lower-mileage engine, then go for it. But you won't be make any additional power to write home about.
I had 150K on my '97 Expy with the 2V 5.4L and it still ran strong. I can definitely tell the difference in power on my newer '05 Expy with the 3V 5.4.
But I still got a Powerstroke to pull our 28' travel trailer. Even though the 5.4 can handle it, it's working pretty hard lugging that trailer around, and it was sucking about 6-8 mpg on the highway.
If your dead set on staying with a 5.4, and you want to yank the engine, then whether you rebuild your existing one or drop in a newer one, sticking with the '97 - '04 2 valve version will give you more power upgrade options, like performance intake manifolds, heads, cam, etc. There's a lot you can do to that 5.4 engine.
TX
The '02 5.4 will be the same as your '99 5.4. They're both the 2 valve head versions, both rated at 260 hp (flywheel).
Not until '05 do you get to the 3 valve version of the 5.4, rated at 300 hp.
If you're just looking to freshen up your truck with newer, lower-mileage engine, then go for it. But you won't be make any additional power to write home about.
I had 150K on my '97 Expy with the 2V 5.4L and it still ran strong. I can definitely tell the difference in power on my newer '05 Expy with the 3V 5.4.
But I still got a Powerstroke to pull our 28' travel trailer. Even though the 5.4 can handle it, it's working pretty hard lugging that trailer around, and it was sucking about 6-8 mpg on the highway.
If your dead set on staying with a 5.4, and you want to yank the engine, then whether you rebuild your existing one or drop in a newer one, sticking with the '97 - '04 2 valve version will give you more power upgrade options, like performance intake manifolds, heads, cam, etc. There's a lot you can do to that 5.4 engine.
TX
Elder User
Joined: Jan 2007
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From: Houston, TX
Originally Posted by ricklee
I was told that in 99 the 5.4 was only 230HP and in 2000 they went to the 260HP anyone know if this is true let me know thanks
230hp was (still is) the rating for the 4.6L V8, also an option then in the F series trucks.
But the 5.4L 2V was 260hp from '97 - '04, and from '05 to present it's 300hp in the 3V version.
