Bought my convertible a couple of year ago.69 vert 350/350 L46 4sp,P/S,P/B,A/C. Didn't have it very long when I blew the motor last July. Had the stock motor rebuilt. Forged piston, roller rocker tip, hyd. roller lifters, Crane cam, 10.50 compression, Eldelbrock Performer intake manifold, Qjet, Hedman Ceramic headers, Classic Chevy TKO600 5sp. 3.90 rear end. Was taching around 3,000 at 65mph, now tachs 2,000rpm at 70mph.( cut crossmember to make it removible) Breaking in the motor now 6-30-08