My first car was a black 66 with a 327 300, bought it in 1976, $600, wish I had it back! It had those ET solid mags with what looked like allen head bolts holding them together. The PO have put a turbo 350 trans in it with a cheapo shifter, no reverse lock out. I hammered on it on the way home and at about 70 mph I shifted into reverse. OUCH, luckily I was only 2 miles from home and made it. Can you say new transmission time. BTW, I was 15 and had no license.