I recently switched the vacuum on the distributor over to the carb vacuum, to retard the timing a little because it was pinging and having pre ignition.
Now, it runs pretty smooth even at a lower idle. But its missing some pick up and hard to start. I want to advance the timing a degree or two. I know I need to turn the distributor counterclockwi se to advance it. Its been so long since I did i though I dont remember what size wrench to use. Someone here said in another thread 17 mm, I read somewhere else 13 mm. In chiltons it says 78 with 2.3 its a screw. Im pretty sure its a bolt but I might be thinking of my old 74`s I had before this one.
Anyone know for sure 2.3 1978. I want to get a distributor wrench if I can find one the right size. Autozone has them but not in metric. Just 9/16 and half inch. I think I remember using a spark plug wrench one time, that may have been on an older one.