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Discussion Starter · #3 ·
What about the exhaust manifold?

Edit: Some one said a the computer too but why would I have to replace the computer too when I am changing all the stuff that the computer runs?
 

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No the head is not the same so something has to be done there, you can buy an intake for a carb. for a 4.0 but $, there is no place to mount a mech. fuel pump on a 4.0 so go to a Holley or some kind of elect. pump, less low end power with the short stroke motor.
But it will bolt up, best to put the computer from 4.0 while making the swap or if you want more power build a stroker 4.6, running a 4.0 on a carb ant that much more power than what you have.
 
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