I put in a new thermostat in my 83 GS (no mods) yesterday. Found lots of good troubleshooting info on here regarding my temperature being higher in city traffic than when on the highway at higher speed. Replaced radiator cap too. I got ahead of myself and apparently left some air in the system because a few blocks down the road the temp went up to 5/8 then 3/4 before I could kill it and coast into the driveway....

I just got done bleeding again by watching for bubbles in the rad. If I didn't get all the air pockets that way, what other (maybe quicker) way is there to bleed?

Just don't want to be staring at the car all day if there's a quicker way to do this.

 

When I do a system flush, I usually idle the engine to operating temp with the radiator cap off... Then I rev it a little. All bubbles usually collect at the top of the radiator and escape out the cap.

Occasionally, the bubbles will collect in the area near the level sensor (Little electrical device near the center of the top cap of the radiator. It removes as well.

Then for the next week, I carry coolant with me and check the level before starting the car, after it's cooled down.

 

and squeeze the hoses a few times.

 

...and turn the heater on HIGH to purge the rest of the bubbles out of the core.

 

Looks like I forgot a few things. Thanks guys.