Ford Mustang Forum - View Single Post - 3.8 to 4.6 engine swap
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post #2 of (permalink) Old 05-13-2006
BOSS Member
4.6L Member
GTRaptor's Avatar
Joined: Apr 2002
Location: Mexico
Posts: 4,459
You need the EEC and harness, a new tranny too, the 3.8 tranny is not compatible with the 4.6 block.

4.6 swaps are the hardest to do, mostly because of the OBDII EEC.

Advice, sell your ride and buy a V8, forget about the swap will cost more than the value of your car.

Rob Hernandez, AFM co-Founder.
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