Mr P:
I believe that you wrote that this is the light that you are currently using?
http://www.summitracing.com/parts/FLA-FR1001/

I am going to return my second dial back and if this is a known good timing light, then I will swap my current unit for this one.

Thanks


1970 YO7 A66 [Canadian Export] F8 Challenger
340 (Currently in shop for stroker assy.)