have a 98 z has 128k I know it has a lot of miles just start seeing smoke (oil) but the only times it smokes is when i wind it up to about 6000 rpms in third (a4) going down the road and lift of the gas and let the car just wind down insted of shifting it In od and it will smoke for 5 or 6 secs? what gives rings heads not bleeding off any ideas??