Thread: Small block chev starts good, runs good, but can't see timing mark???

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have you got the sensing wire of the light on the front cyl on the drivers side, if you dont you wont see the mark. another possibility is if you have a degree timing light make sure the dial is on O and you should see 10-12 degrees on the balancer if its timed right or set the dial on the light to 10-12 degrees and you should see zero on the balancer. also make sure your vacum advance on the dist is unpluged, when you plug that in you mark will move out of site also, plug it back in after its timed though.