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So is the dual vacuum advance dizzy basically exactly the same except for the optional feature of timing retard on overrun? If you leave it disconnected would there be any difference in performance?

Thank you for that insight! I think you're probably right. And I also just checked the emissions requirements for my state (Oregon) and they have the same 1.0% CO standard for ALL vehicles after 1975. So the duraspark system should be able to pass this. I probably couldn't get away with removing...

Does anyone know whether this conversion can be done without destroying your chances at passing DEQ? Where I live, an 84 Ranger must be at 2.0% CO or less at idle. Can you get away with that after a duraspark conversion?

So I have an update. I ended up fixing the problem but I'm not exactly sure which thing I did fixed it. Since error code 31 was a persistent problem I replaced the EGR position sensor that mounts on the EGR. The code did not go away, so I don't think it did anything. The other area of suspect...

Hi All, I rebuilt my 2.8 v6 cologne a few years ago. Initially had a rough time because I had set the valves too loose. Ended up bending a pushrod. Exasperated, I went to a mechanic and he replaced the pushrod. Machinist warned me that if the loud valves started to creep back after a few hundred...

Hello all, I recently rebuilt my dad's 1984 V6 2.8L Cologne Engine. It is the carbureted variant. The original engine got to 210,000 miles before we decided it was time to rebuild when it was leaking oil like crazy. In the process of rebuilding the engine, I replaced the carburetor with a...