Ford 390 Swap
Senior User
Joined: Jan 2003
Posts: 217
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From: Saraland AL
The V-8's for these trucks use a rear sump oil pan. The FE may need some custom motor mounts but the transmission should fit into the crossmember slots without too much trouble. You may need to get the driveshaft shortened and rebalanced.
Do you already have the 390 and a transmission? If not, a 400 will fit and you can get the correct oil pan and pick-up tube.
Do you already have the 390 and a transmission? If not, a 400 will fit and you can get the correct oil pan and pick-up tube.
Moderator
Joined: Jan 2001
Posts: 56,984
Likes: 2,738
From: Virginia
Why does this swap keep coming up? Where are all these 390's coming from? I hate this swap. Why? Because it will not bolt in, it was never offered in these trucks, and there are no factory pieces to make it all work. Ford made engines just as good or better than the 390 that will bolt in. Everytime you go to the parts store, you had better know what you need, and what year truck to tell them you need it for.
Buy a 79 or earlier truck and the 390 will bolt in and everything will fit up.
Buy a 79 or earlier truck and the 390 will bolt in and everything will fit up.
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