Text Box: Oil Pump Shaft; The original shaft was quite heavily worn in the seal areas, So I generated a model and detail drawing to have a new shaft made. (another hard to find part) Text Box: Sheetmetal Mold for Aerodynamic Rear Diffuser Text Box: Flat Pattern for Diffuser Mold (ProE) Text Box: Detail Drawing Oil Pump Shaft (Inventor) Text Box: Model Oil Pump Shaft (Inventor) Text Box: Formed Model for Aerodynamic Rear Diffuser (ProE) Text Box: Rear Diffuser Mold; One of the methods of generating more downforce on a race car with minimal drag is to add a rear diffuser, which when properly designed, helps "suck" the air out from the bottom side of the car, thus creating a low pressure area.. From the flat pattern drawing I laid this out on a sheet of Aluminum, then formed it up on my Sheetmetal Break. I then coated with mold release and laid up a fiberglass Diffuser. Text Box: 3 Stage Oil Pump Shaft Text Box: Racing Projects (cont.) Text Box: Vincent T. LaManna’s Resume/Portfolio Back Next