hello everyone i have a 82 cutlass supreme 454 bbc swap i bought the car with a mild 350 and turbo 350 transmission spedo was always way out of wack because of gearing and such but i put a built 700r4 ininstead and its electronic speed sensor can anyone give me any info on how i can use the 700r4 with my car and use a spedometer and have it working properly i have no idea how to convert spedo from mechanical to electronic i dont mind having to buy an autometer spedo if i have to either thanks steve i have 454 bbc 3.73 gears and a 700r4 transmission with 2800 stall and stage 2 trans go shift kit 275 60 15 on the rear