* Engine Numbers Aren't Unique Identifiers: Engine numbers, especially from older cars, don't always correspond directly to specific engine models.
* Multiple Options: In 1953, Chevy offered both the 216 and 235 engines, so there's no way to be sure without further information.
* Transmission Variations: The "3 speed on the tree" refers to a 3-speed manual transmission with the shifter on the steering column. While common, this setup could have been paired with both the 216 and 235 engine.
To find out the engine and transmission details, you'll need to:
1. Check the VIN (Vehicle Identification Number): The VIN can sometimes offer more specific details. You can often find the VIN on the dashboard, driver's side doorjamb, or under the hood.
2. Consult a Chevrolet Parts Catalog or Manual: Look for a catalog or manual specifically for the 1953 Chevy 150 model. These resources should list the engine and transmission options for that year and model.
3. Contact a Classic Car Expert: An expert in vintage Chevrolet cars can often help you identify the engine and transmission based on the engine number and other vehicle information.
Good luck in your search for the engine and transmission information!