3.9 and 4.0 difference - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 2 (permalink) Old 11-10-04, 12:26 AM Thread Starter
Dirt Tracker
Join Date: Jul 2004
Location: rosebud
Posts: 83
3.9 and 4.0 difference

I'm much better with old iron so forgive my ignorance please. Is there any difference between 3.9L (NAII) and 4.0L (everything else!) ECU's or ather bits that might need changing? and is it possible to rebuild my 3.9 as a 4.0 with the bradband manifold etc. and not have to spend a fortune changing bit?
Thanx in advance guys.
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post #2 of 2 (permalink) Old 11-10-04, 01:18 AM
Join Date: Apr 2004
Location: melbourne
Age: 30
Posts: 171
Re: 3.9 and 4.0 difference

yeah u can put the bbm on get a el computer coz ef used coild packs EA-ED used a dizzy, el went back to dizzy
visit www.eafalcon.com might help with the differences in models
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