New to the forum and did search for gear vendors but no luck. I have a 70 Impala with a 430hp 383 and th 350 tranny. Right now with 3:55 gears I'm at 3000rpm at 60mph. Tranny is fairly new and beafed up for the motor and a shift kit. I'm looking at gear vendors to solve my rpm on the highway problem. I also thought of the 700R4 but kinda am moving away from that. I feel confident installing the GV myself but would like any input on installation and overall performance. Thanks for the input in advance. Trainor