My original 4520 Fuel Injection plenum sides were polished years ago. The person doing that removed the RPD model and serial number tag and I am trying to determine a correct serial number for the F.I. in relationship to the cars vin number (4026) built May 16th 1957. I have read the sections of Ken Kayser's book, "History of GM's Ramjet Fuel Injection on the Chevy V-8" with regards to this and understand there really wasn't a defined rule on this serial number tracking other than 283 hp. versions of the 4520 were installed after April '57 and the S/N started with "2xxx". I have also checked the archives on this forum and Noland Adams book for information without too much success. My intention is to survey owners or knowledgable F.I. experts of 4520 F.I. cars and see if I can arrive at a qualified "guess" on the S/N.
Thanks,
Wayne
Thanks,
Wayne