I have a MSD 6AL and MSD dist. Tach does not wokk after installing . The MSD install book says for GM to bypass the inline filter to tach. Does anyone know how to get it to work ?

waited 22 years for this car orange and white 1969 camaro SS396 . THANKS RAY

That issue is currently being discussed in this thread.
http://www.camaros.net/forum/ultimatebb.php/topic/10/1840.html