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Navigator engine swap

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Old Jul 25, 2009 | 02:03 PM
  #166  
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Don't know. Then again what is considered expensive?
 
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Old Jul 25, 2009 | 02:50 PM
  #167  
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100 bux 4 the bolts and 200 for a gasket kit
 
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Old Jul 25, 2009 | 03:06 PM
  #168  
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U could call a stealership for the bolts as I have never seen any other place for them. Then again a google search should come up with what u want. The head gaskets aren't cheap since they're 50-60 bucks each.
 
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Old Jul 26, 2009 | 12:12 AM
  #169  
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Wow! This thread has had quite the journey since my brother swapped his 4.6 for a 5.4 DOHC Navi engine -well done, boys!!!
 
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Old Jul 26, 2009 | 10:09 AM
  #170  
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lol sry.. only reason i keep rollin her is cause i kno you genious's will c it in subscribe threads
 
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Old Jul 26, 2009 | 03:15 PM
  #171  
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Well played - need anything?
 
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Old Jul 26, 2009 | 04:34 PM
  #172  
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any advice possibvle on building back a 4.6 i scrapped the 5.4 idea and i got a 4.6 block with heads and timingfigure id do a head job on it before i build it back and drop it in
 
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Old Jul 26, 2009 | 05:26 PM
  #173  
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You'll get more torque from a 5.4L and it will come in about a thousand rpm sooner. I have my 5.4 geared and trans schedules set to go with the torque curve.
 
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Old Jul 26, 2009 | 06:40 PM
  #174  
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i kno the 5.4 is better but the conversion may be to much 4 me
 
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Old Jul 26, 2009 | 06:50 PM
  #175  
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Same engine as far as the heads. The 5.4 uses a taller block and that makes the intake and front cover different. The exhaust is different since the ports are up a little higher. Putting a 4.6 in something heavy requires some power producing goodies. I haven't been inside my 5.4 yet and it's a bit of a handful at times. I would put 20,000 pounds behind it not worried about it having the power to pull.
 
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Old Jul 27, 2009 | 09:16 PM
  #176  
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i posted a new thread under general engine rebuild and performance.. plz check )

big issue when i pulled heads on my 4.6
 
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Old Mar 20, 2023 | 01:25 PM
  #177  
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Engine swap

I have a 1999 lincoln navigator with a 5.4 liter engine. Since the 5.8 liter trinity engine is a 5.4 liter with a longer stroke (and a supercharger) will it bolt up to my transmission?
 
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Old Mar 20, 2023 | 05:13 PM
  #178  
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Originally Posted by Robzombie 69
I have a 1999 lincoln navigator with a 5.4 liter engine. Since the 5.8 liter trinity engine is a 5.4 liter with a longer stroke (and a supercharger) will it bolt up to my transmission?
Holy zombie thread Batman! This thread is 14 years old. You should probably start a new thread. I believe the 5.8, being of the modular persuasion, should physically bolt in place of the 5.4, but I'm not sure a stock Navigator trans is up to the added power, and I'm sure the wiring would be a headache.
 
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Old Mar 20, 2023 | 08:06 PM
  #179  
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Originally Posted by Robzombie 69
I have a 1999 lincoln navigator with a 5.4 liter engine. Since the 5.8 liter trinity engine is a 5.4 liter with a longer stroke (and a supercharger) will it bolt up to my transmission?

x2 on the holy thread revival




yes the block will bolt up, BUT there’s a lot more involved (oil pan, etc)
 
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