So my 51 chevys original engine and trans were junk. I took the complete running gear out of a 79 el camino and swaped it in. 305 and 700r4 trans. Drives pretty nice now except for one problem, the car seems to shift hard from park into drive no matter what I set the idle to, when I'm rolling down the road and take my foot off the gas the car seems to just want to keep doing the speed I'm going kind of like cruse control. Idles down a little only when I hit the brake and when I come to a stop the car wants to creep hard unless I stand on the brake pedal. Even with the idle set really low it seems to behave the same. Since I did this swap a few years ago I crawled under the car and remembered I didn't hook up these wires on the driver side of the trans to anything. Actually I don't even know what they go to but I'm guessing that it's my problem or part of my problem. Are they the governor or vacuum modulator? Anyone know how I should have it hooked up. Any other advice on what to check. Thanks.