chevy style HEI on 318

lotta hate for the gm style dizzy but lots of love for useing the parts out of it,...its a dang good dizzy and tooooo easy to wire up....just one switched on hot wire to right plug of the only 2 plugs on the cap other than the plug wires,..the other plug is for your tach! that simple,..yes its big but being big keeps the spark splater inside the cap in check better at higher rpm with this dizzy is good to well past 7,000 rpms! itll be a tight fit ol chevy boys had to hammer there fire walls in them novas and camaros to up grade from points too no big deal just dont go rambo on it plan it! dizzy just like it spins 7800 rpms 35 laps on a dirt limited sportsman car i got going on 5 years think ive put a new cap and buttun on it once! can open up your plug gaps to 45-48 and lite the fires just fine!