ok guys i just bought a 1987 iroc z. i bought the car after test driving an hearing it run...... well i drove the car home over an hour with np until i got to the last stop sign on my street an the car stalled. it starts back up an i get it home an park it. well i start it the next day an its idling ruff an it will stall if it idles to low. what do you guys think the problem could be. i car does have work done to it headers a different chip no emissions please help with any idea you have thanks