Will a 4.0 1991 EFI engine fit in a 2005 4.0 SOHC with exchanging the intakes over?

Asked by GuruVL83S Aug 22, 2018 at 07:43 AM about the 2005 Ford Explorer Eddie Bauer V6 4WD

Question type: Maintenance & Repair

I have a 1991 for explorer Eddie Bauer and a 2005
ford explorer Eddie Bauer , will the engine from the
1991 fit in the 2005 with exchanging the top of the
motors over?

1 Answer

74,290

NO. 91 4.0 is an over head valve engine and 2005 4.0 is an SOHC engine. Two different setups totally. Besides, the PCM plugs for the 2005 won't even connect to the 91 PCM.

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