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Catalytic converter failure anomaly?
Hello first time poster, long time member, I have used this site to aid in troubleshooting but now I think I have a problem that only has expensive solutions. I have a 1989 chevy OBS CC R3500 454 TBI long tube headers, RV Cam, and TH400 with shift kit, 91k miles, about 2 months ago I was pulling...- KBZ71
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- Replies: 10
- Forum: Engine Performance + Maintenance
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