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Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Ford
Satisfied Customers: 48366
Experience:  16 years experience
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Will the 4.0 and 4.

Resolved Question:

will the 4.0 and 4.2 blocks interchange
Submitted: 9 years ago.
Category: Ford
Expert:  Chris (aka- Moose) replied 9 years ago.

Hello, I'm Chris, a current Ford Lincoln Mercury employee.


Thanks for visiting Just Answer. I will do my very best to help you resolve your concerns by asking questions if needed then suppling a answer. Gaining your TRUST in myself and knowledge is my goal. I try my hardest to respond in a timely matter and I will respond to any reply anytime I am on line.


The 4.0 and 4.2 are not even close to the same block design. They are not interchangeable

Customer: replied 9 years ago.
I have found in several placed people have interchanged heads and blocks only the crank and oil pan are diffrent
Expert:  Chris (aka- Moose) replied 9 years ago.

As you can see here the combustion chambers are not the same size.


Expert:  Chris (aka- Moose) replied 9 years ago.
Do you need any more proof than this
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