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289 Timing? 289 Timing?
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Old 11-08-2022, 10:04 AM
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Location: Georgetown, TX. USA. Little North of, TX
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Default 289 Timing?
Is there a "standard" for 289 Timing? I am trying to dial in my car and it was set at near, BTC, causing a lot of backfiring (Pic). I found a 289 forum online and it suggest just setting for 8 degrees Before TDC, and it's "that simple". I'm running an MSD 6A Ignition and MSD Blaster 2 coil, and MSD distributor. Brand new plugs gapped at .044

Cannnot get pics to upload...I will try later.

Still backfiring a bit when letting off the throttle.

1. How normal is the backfiring?

2. Suggestions on setting the timing differently?



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Last edited by renaissance man; 11-08-2022 at 10:29 AM.. Reason: uploading pics
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