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Will a1991 Chevy 5.7 engine fit in a 1986 truck?

The 1991 Chevy 5.7L engine can be installed in a 1986 truck, but it will require some modifications.

- You will need to change the oil pan and pick-up tube from the 1986 engine to the 1991 engine

-You will also need to change the distributor and ignition module

-Change engine mounts -Install new fuel lines that are compatible with fuel injection- install new wiring harness and ECM for fuel injection or use a carburetor and an intake