A picture would help. I have a number 4 in column 75 and blank for the rest. As far as rear axle goes, I thought that those options were handled in Column 36(Safe-T-Track = 1, Economy = 4, Performance = 8) and Column 37 (Letters C - S for the various gear ratios).
1968 400 Coupe, verdoro green, black vinyl top 1968 400 Convertible, verdoro green, black top 1971 Trans Am, cameo white, auto 1970 Buick Skylark Custom Convertible 350-4(driver)
