4.6 swap
Postmaster
Joined: May 2003
Posts: 3,310
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From: E.Lincoln County, NC
I want to see it!! 
I wanted a Mark 4.6L DOHC in my Ranchero but won't fit without cutting her up. You should be able to use the Mark harness and ECU without much trouble especially if you have the 4R70W auto trans.
I wanted a Mark 4.6L DOHC in my Ranchero but won't fit without cutting her up. You should be able to use the Mark harness and ECU without much trouble especially if you have the 4R70W auto trans.
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Posting Guru
Joined: Feb 2006
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Trans in the truck is a 5 speed, and I didn't get the trans for the Mark VIII. I have a 94 T-bird parts car, and was thinking I might use that trans, but now I am not sure that it will work. I need to research a little more. Mark VIII's are pleantiful around here, so a trans won't be a problem. I did get the computer with the engine. But, I have a few more miles left in my 5.0, so I'm in no hurry. I want to have everything I need in place when I start the swap. 
jim d
jim d
) put up some trans model numbers as well as what you need to convert from automatic (i hate my auto)
Freshman User
Joined: Dec 2005
Posts: 39
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The bell housings from 4.6sohc to 4.6dohc will be exactly the same, if I'm not mistaken. The difference is in the heads, cams and intake bits. I'd like to swap a new, more efficient 4.6 SOHC or DOHC into my 85 Econoline. The Mustang or F150 manuals should work fine, since the 'stang and the F150 share a fair number of parts.
What about the F150 lightning motor?
What about the F150 lightning motor?
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CharlieMaxwell
Modular V8 (4.6L, 5.4L)
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Apr 21, 2019 10:20 AM
