Tach help

Ooohhh. Gotcha. No haven't check the timming. Didn't think of doin that. I will check timming. Could it be that I have a stock box from auto zone. Also this is the orignal harness that has been made into electronic igntion. Plus removed te amp meter using the mad eletrical way. I'm not going to be able to touch it till tommorrow .i will let Y'all know what my readings are. Thanks so much.