Now that we have snow on the ground here all I have to do is putter around with my bird getting it ready to ride. In Oct I installed an MSD 6AL ignition and coil. The 57 Dist. has petronix innards. My question is do I need to connect the vacuum advance with the MSD hooked up? It starts ok and seems to be fine without it so just wondering if I need to connect it.  Thanks

55Birdman  Hickory NC