Originally Posted by cobalt327
Drill the blades as a last resort. To close the primaries more than they are now at idle, you should be able to add initial timing (which increases the idle speed). Once you get the blades closed down some, the idle mixture screws will work again. Use them to get the best idle, readjust the curb idle speed as needed while you are adjusting the mixture screws.
If you add initial you'll need to remove the same amount of timing from the mechanical advance.
My timing is locked out at 34 degrees anything off idle it hits 34 degrees. I cant get an accurate reading on the light at idle it seems to jumpy..