* Year of the engine: Different years of production can have different horsepower ratings.
* Specific model: The horsepower output will vary between different models that use the 3.8L engine, even within the same year.
* Supercharger specifications: The type and size of the supercharger will greatly affect horsepower.
To give you an example:
* 1989-1993 Buick Grand National: The 3.8L turbocharged engine in these models produced around 245 horsepower.
* 2005-2007 Pontiac Solstice/Saturn Sky: The 3.8L supercharged engine in these models produced 260 horsepower.
To find out the specific horsepower of your GM 3.8L supercharged engine, you need to know the following:
* Year of manufacture
* Specific vehicle model
* Supercharger specifications (if available)
Once you have this information, you can search online or consult a repair manual to find the horsepower output.
