i have a 1979 malibu i have been working on for years it is now rear halfed tubed and caged i use to run it in the qurter with a 355 small block and recintly went to a 454 bbc with the small block i used to run consistent 13.20 havent had it out with bbc yet still having a few hickups witch is y im reaching out i run msd 6al and i cant seem to get it to spark i no the box is good i have tested it and it does spark but not enough power at roll over to spark my volts drop to 78 volts and you need 9 to spark the msd im stumped ive tryd diferant batterys and cheacked all conections eny thoughts????
