Recently had the motor rebuilt and a Power FC installed and tuned. Was out driving the car over the weekend and had a few funnies show up. First off, rode the clutch a little on the launch and when I shifted into second I noticed a little smoke coming out from under the radio. I have installed an aftermarket radio with a rigged up tray under it (where the smoke came up through). After that the speedometer would increase with RPMs while the car is in neutral. However it does work just fine when you start rolling. Any ideas.