Try these links to the FAA's website. If these links fail, search the FAA site for Type Certificate Data Sheets (TCDS) # 408, 438, 483, 503, 515, 517, and 564. These will give you engines and equipment installed, weights, fuel, etc.
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/90c4ae595a4f478c852567350056b35b/$FILE/ATTEXK24/TC408.pdf
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/a42807c3b0965ec1852567350056bee4/$FILE/ATTSB3DN/TC438.pdf
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/8520acef7d966381852567350056cbec/$FILE/ATTZOLIE/TC483.pdf
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/564b748e9642436a852567350056d6fd/$FILE/ATTVCDA7/TC503.pdf
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/900e3c6c32b0e124852567350056e1a2/$FILE/ATTQ8FJ6/TC515.pdf
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/4d24aec470290142852567350056ebf6/$FILE/ATTDTRH1/TC517.pdf
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/36b0e40e34cce87e852567350056f635/$FILE/ATTX5RMB/TC564.pdf
Also, a new museum opening next month in Oregon has a flyable 22C7B. If you need detail photos, let me know as I will be there and can take them for you.
Museum Exhibits - Western Antique Aeroplane & Automobile Museum
Scott