yo, what up fellas, I just did a ton of body work on my car and finally got it on the road. When first give it gas in each gear it sputters and doesn't really want to move. I def. feel a loss of performance. what could the problem be? also If i drive past 40 the front end shakes sometimes, what's up wit that? wheel alignement? oo..haha, forgot this problem to, the heater doesn't work when idle, i have to drive for a little bit before hot air blows out, and it's not even hot, how do i fix all this? I would love to get some suggestions.