Looking for direction on how to request things like specific waveform files or other technical info that cannot be fond but other Tech's might have access to. For instance I am looking for a Waveform file for a 2009 Cobalt SS 2.0 LNF Crank and Cam correlation. Where would it be proper to request this info on the site? Thanks

John Hefner
Technician
General Motors
Perry, Ohio, USA