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Old 09-17-2013, 12:22 AM   #21
4v > 2v
 
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Paid $950 which was what core cost was for the shop to get another one. I know the engines in great shape too, I just done know exactly how ill be running the wiring harness to the pcm etc.
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Old 09-17-2013, 12:27 AM   #22
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Paid $950 which was what core cost was for the shop to get another one. I know the engines in great shape too, I just done know exactly how ill be running the wiring harness to the pcm etc.
Awesome man that will be a sweet little motor when she's done.
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Old 09-17-2013, 02:01 AM   #23
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Your wiring harnees wont reall need much. See if you can find a engine harness from a 01 Navigator with the 4v in it. Direct swap and will only need a tune because 4v's love timing. Looks to be a 01/03 by the intake ports. 4v is the way to go.. when my NPI/PI setup grenades a 4v will be replacing it.
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Old 09-17-2013, 02:54 AM   #24
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Its actually an 04 navigator. Has the pcm with 3 plugs like 04-08ish f150s have. Ill look into it man thanks.
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Old 09-17-2013, 04:41 AM   #25
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I wouldn't leave the stock bottom end. Get a factory lightning crank (forged). Check out modmaxracing for a rotating mass pkg. it has your choice if forged crank, rods, pistons etc
I'm fairly certain 2v's from 02 up all have forged cranks, regardless if they are N/A or supercharged blocks.

The weak link in 2v's are the rods and pistons. Definitely get those replaced with something better.
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Old 09-17-2013, 04:45 AM   #26
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I'm fairly certain 2v's from 02 up all have forged cranks, regardless if they are N/A or supercharged blocks.

The weak link in 2v's are the rods and pistons. Definitely get those replaced with something better.
He bought a 4v....
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Old 09-17-2013, 04:50 AM   #27
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Its actually an 04 navigator. Has the pcm with 3 plugs like 04-08ish f150s have. Ill look into it man thanks.
Aw hell ya. This is hot rodding. I'm subscribed.

4V's are so awesome. Spark plug changes will be a breeze, and no more spitting plugs. Not to mention you can rev the **** outta them.

The only obstacles I've heard with installing 4v engines are:
  • Exhaust manifold fitment (obviously since the heads are different) hopefully you have the stockers?
  • ECM on the NAVI was for the 4r100 tranny. Not sure which on you have.
  • Injectors will require ev1 to ev6 adapters
  • COPS will have to be reversed
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Old 09-17-2013, 10:40 AM   #28
4v > 2v
 
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Aw hell ya. This is hot rodding. I'm subscribed.

4V's are so awesome. Spark plug changes will be a breeze, and no more spitting plugs. Not to mention you can rev the **** outta them.

The only obstacles I've heard with installing 4v engines are:
[*]Exhaust manifold fitment (obviously since the heads are different) hopefully you have the stockers?[*]ECM on the NAVI was for the 4r100 tranny. Not sure which on you have.[*]Injectors will require ev1 to ev6 adapters[*]COPS will have to be reversed
I have the stock exhaust manifolds. Might throw shortys on it though just because I want to replace the studs and such while the motor is out and ready.
I have 4r70w so I know there will be some issues with the computer.
Thanks for injector tip!!
Explain this COP reversed thing...
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Old 09-17-2013, 10:45 AM   #29
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Is something wrong with your 2v? It's only got like 135,000 right?
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Old 09-17-2013, 11:17 AM   #30
4v > 2v
 
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Is something wrong with your 2v? It's only got like 135,000 right?
Yup 143k now and it runs like a champ!

But a 4v is way more badass.
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Old 09-17-2013, 11:17 AM
 
 
 
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