Installing a 1995 5.7 TBI engine into a 1987 V20 5.7 TBI

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Steve1987

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Hi,
Would I need to change or modify anything for this to work? Thanks.
Steve
 

bucket

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Direct swap! There are some differences with external stuff like the accessory drive, water pump and air cleaner studs. But the long block engine assembly itself swaps right in.

You can use the serpentine drive accessory setup if you want, but you will need to use the correct AC lines if equipped and reroute you alternator wiring.
 

Steve1987

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Steve
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Engine Size
350
Direct swap! There are some differences with external stuff like the accessory drive, water pump and air cleaner studs. But the long block engine assembly itself swaps right in.

You can use the serpentine drive accessory setup if you want, but you will need to use the correct AC lines if equipped and reroute you alternator wiring.

Thanks bucket. And the engine/transmission electronics and wiring are good also?
 

bucket

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Thanks bucket. And the engine/transmission electronics and wiring are good also?

No. The wire harness for the engine is a little different due to some emissions stuff and being for the newer body truck. The newer transmission is also electronically controlled. You would need to use your original transmission and engine harness.
 

Steve1987

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Ohio
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Steve
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V2500
Engine Size
350
No. The wire harness for the engine is a little different due to some emissions stuff and being for the newer body truck. The newer transmission is also electronically controlled. You would need to use your original transmission and engine harness.

Thanks again bucket. I've found several 94-95 engines locally to look at. Mostly around $500. Your info helps out alot.
 

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