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Timing fluctuating
Hi all,
I installed my rebuilt 283 over the weekend and have a strange issue. When I try to set initial timing my mark fluctuates about 15 to 20 degrees. Every once in a while it stabilizes then fluctuates again making everything else such as idle fluctuate. Also while trying to move the distributor which is an MSD street fire HEI I noticed arcing at the base where the hold down is located. So I'm sure this arcing had to do with my fluctuation but what could be causing the arcing? I tried grounding to the distributor housing but that had no effect. Thanks in advance
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