GOOD NEWS. . . . The PICTURE UPLOAD FUNCTION IS WORKING !!! The tech folks at the parent company have been able to remedy the issue. You can upload pictures once again. Thank you for your patience.
I recently own a Chris Craft Commander 31 (form approximately 1974) with 2 PCM Chevrolet 305 Engines new installed in approximately 1992.
The left engine works fine but the right engine backfires and dies with more than appr.1400 RPM under load.
And I cannot make this engine run OK
Since...