4.6l to 5.4l
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Senior Member
Joined: Oct 2008
Posts: 215
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4.6l to 5.4l
hello everyone.
i have been looking around at fourms every where and i am thinking about swapping my 4.6 to a 5.4
how hard is it? and
where is the best place to find a good used cheap motor.
thanks
i have been looking around at fourms every where and i am thinking about swapping my 4.6 to a 5.4
how hard is it? and
where is the best place to find a good used cheap motor.
thanks
Technical Article Contributor
Joined: Apr 2007
Posts: 3,807
Likes: 2
From: Pearl Harbor
forget finding just a motor
you need to get an entire donor truck. You'll need the motor, wiring harness, PCM, tranny, rear axle, motor mounts, driveshafts
it can be done, but you are gonna spend some time under the hood of both trucks scrounging parts, and making sure it all matches up.
even the radiator & fan assemblies are different.
I suggest you buy a wrecked truck that has a good rear axle (9.75 vs. your current 8.8) and the motor/electronics untouched
you need to get an entire donor truck. You'll need the motor, wiring harness, PCM, tranny, rear axle, motor mounts, driveshafts
it can be done, but you are gonna spend some time under the hood of both trucks scrounging parts, and making sure it all matches up.
even the radiator & fan assemblies are different.
I suggest you buy a wrecked truck that has a good rear axle (9.75 vs. your current 8.8) and the motor/electronics untouched
Suspended
Joined: Nov 2007
Posts: 6,657
Likes: 0
i would go up to a shop and ask them if they know anything, haven't seen anyone do one on a 04-08 yet, but if the motor mounts up to the tranny you just need your PCM repgrogrammed for the motor.
Last edited by 06yz250f; May 26, 2009 at 02:52 AM.
