Navigator crank in a 01 Cobra

[ThtSVTguy]

I remember reading somewhere that the Lincoln Navigator crank is the same as the 01 cobra forged crank. Can anyone confirm? I had a recent thread about a rebuild and am in need of a new crank. I don’t want to be nearly 3k+ down for a stroker build. If it is possible what years are recommended to have the forged crank?

 

[Dusten]

No comment on a navi crank in a cobra.

But all 8 bolt cranks are forged.
E350's
Lightnings
Harley trucks
Any f150 with a tow package

 

[ThtSVTguy]

No comment on a navi crank in a cobra.

But all 8 bolt cranks are forged.
E350's
Lightnings
Harley trucks
Any f150 with a tow package

Thank you! But can you confirm or know if any of these cranks would work in a teksid block??

 

[SID297]

Navi is a 5.4, won't work in a 4.6 block.

 

[Dusten]

Thank you! But can you confirm or know if any of these cranks would work in a teksid block??

I'm with Travis. I'm pretty sure the 5.4 crank doesn't work, but I don't know.
The stroke on a 5.4 is 4.17
The longest stroker crank I can find for a 4.6 based engine is 3.75

 

[me32]

The aviators crank will work. It uses a 4.6 in the mid 2000s

 

[e85svt]

5.4s have a taller deck height of 10.079 inches from crank centerline to top of the deck and 4.6s have a 8.937 inch deck height . Stock stroke in a 4.6 is 3.543 inches and 5.4s use a 4.165 inch stroke.

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[coposrv]

Coyote crank cut down I forget the rods needed though.


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[coposrv]

I remember reading somewhere that the Lincoln Navigator crank is the same as the 01 cobra forged crank. Can anyone confirm? I had a recent thread about a rebuild and am in need of a new crank. I don’t want to be nearly 3k+ down for a stroker build. If it is possible what years are recommended to have the forged crank?

Sorry. Should have read the OP better. The navigator won’t work.


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[SID297]

The aviators crank will work. It uses a 4.6 in the mid 2000s

Aviator has a cast crank, if that makes a difference to you.

 

[ThtSVTguy]

Aviator has a cast crank, if that makes a difference to you.

I don’t think it will, I won’t be pushing any insane power levels to worry about that, are they all cast of were any specific year forged or no??

 

[coposrv]

Unless I was running a big blower I wouldn’t hesitate to run a cast crank. They’re pretty stout and not given much credit they’re a good bit lighter too


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[lOOKnGO]

All Aviator cranks are cast. Any auto crank is cast even in the Mach 1.

 

[Dusten]

There are tons of 4.6 forged cranks
Allanual.mach 1s had one. All terminators had one.
If you're staying na these motors won't make enough power to need one

 

[ThtSVTguy]

There are tons of 4.6 forged cranks
Allanual.mach 1s had one. All terminators had one.
If you're staying na these motors won't make enough power to need one

Yes I looked into the mach1 crankshaft I can’t find any of the forged ones but I found the 6 bolt cranks that I’m assuming is a cast, they can work in my car correct? Would just need to get the clutch and flywheel obviously to match with. It correct?

 

[Dusten]

6 bolt is cast
8 bolt is forged

The flywheel is what needs to match

 

[ajaf1656]

In one of my 4.6 books, it says some of the Mustang GTs had non-forged 8-bolt cranks.

 

[coposrv]

In one of my 4.6 books, it says some of the Mustang GTs had non-forged 8-bolt cranks.

Yes. The Windsor’s. 99/00


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[Badaz01]

If your going through all the trouble of breaking your engine down clear to the crank I would go shovel snow and save extra money and just put a forged crank in for Pete sake. Especially since there is a good chance you’ll need some type of machining work done as well.