I go to start my car today, she starts up fine and then i notice the massive cloud of blue smoke coming from under the car and from the muffler. Now i think may have an exhaust leak? And what in the hell is causing the blue cloud of exhaust? It will only do it when i first start the car for the first time for the day.

 

Valve stem seals. Fairly easy to replace in an afternoon with the heads in the car if you have (or can rent) and air compressor and a cylinder plug to pressurize the cylinder with, along with a valve spring removal tool (one that bolts onto the rocker stud for a fulcrum is the best kind I've used in the past).

Rotate the engine by hand so that both valves are closed on the first cylinder. Remove the spark plug from that cylinder if you already haven't (removing them all first can ease turning over the engine by hand). Pressurise the cylinder with compressed air and the adapter. Remove the rocker arm, attach the valve spring removal tool to the rocker stud. Remove retainer clips, retainer, and valve spring. Becareful to not knock the valve down into the cylinder, or it may just go to far! Remove the old stem seals (some prying may be needed). Tap new seals into place and replace the spring, retainer, clips, rocker. Rotate the next cylinder into place and repeat!

 

I've got the same problem, and plan on doing just that, but I dont' have the time, talent of tools to do it. One of those eventual things, as it doesn't appear to be hurting anything yet.

 

Or.....cd2 works great for work/leaky valve guide seals

Just go to autozone and get it off the oil/gas/engine treatment shelf. It is in a silver bottle and says CD2 on it.

Put it in my girlfriends mustang about a year ago and every oil change since and it hasn't smoked since!

but I would only suggest doing that if you don't feel like working on the car.

My 91 camaro got it's valve guides replaced