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How much horse power does 1978 350 motor have?

The horsepower of a 1978 350 motor (presumably a Chevrolet small-block V8) varied considerably depending on the specific application and its configuration. There wasn't a single horsepower rating. Output ranged from approximately 150 hp to over 250 hp. Factors influencing horsepower included:

* Carburetion: Single vs. four-barrel carburetors significantly impacted power.

* Cam Shaft: Different camshafts offered varying performance profiles.

* Compression Ratio: Higher compression generally resulted in more horsepower.

* Exhaust System: Restrictive or performance exhaust systems affected power output.

To know the *exact* horsepower of a particular 1978 350 engine, you would need to look at the vehicle's specifications or the engine's identification numbers.