if you go to the h.a.m.b. website i just did a complete tech article on the conversion with plenty of pic's. don't need a lathe for this conversion dremel cuttoff worked fine. when you grind everything smooth soap up (dial) your grinding wheel so it doesn't load up. always wear your SAFETY EYE AND FACE PROTECTION! i'm going to do a few more conversions,just update one's already done with tech article and more pic's. 2.8 v-6 chevy and converting stock dizzy to electronic (not pertronix) using o.e.m. parts.