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  1. S

    1992 Fails Smog All Measurements

    Thanks to everyone who gave me suggestions. I really appreciate the help. So I finally have a good idea what the problem is - Catalytic Converters. Yeah, I did change them less than 10,000 miles ago, but I didn't know how bad misfires are for them. Prior to parking the car for the past 3 years...
  2. S

    1992 Fails Smog All Measurements

    Here they are. I think the smog shop kept the 1st (and worst) test results, but I have the 2nd and 3rd tests. Thanks!
  3. S

    1992 Fails Smog All Measurements

    All plugs and wires are good, no misfires. It's every bit as fast as I remember it being, just running very rich.
  4. S

    1992 Fails Smog All Measurements

    Thanks, I have considered that and would do it if the car wasn't running so rich. I may do it yet, just to get it drivable for now, but I'd like to find out what the problem is.
  5. S

    1992 Fails Smog All Measurements

    I recently took a motor from a 1990 SHO that passed smog in May 2009 and put it in my 1992 SHO (which passed smog less than 1000 miles ago, before I spun a bearing). Along with the motor I used the year old O2 sensors that were in the '90 and my relatively new (less than 1000 miles) cats from...

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