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I am currently replacing the engine in my '90 351, which is EFI. Where is the best place to disconnect the fuel lines from the engine before removing it? And yes, I've already relieved the pressure, if you were wondering. I consulted my bible, I mean Haynes manual, and found nothing useful as to where to disconnect. Thanks.
The best place would be at the couplers at the rear of the motor up on top. Follow the fuel rails on the manifold back and you'll see where they connect to the fuel lines. Takes a special tool to remove those. Fuel/AC line disconnect tool. Most parts stores have them. Also, those two lines are different sizes.