Quote Originally Posted by 36 sedan View Post
Set TOTAL timing at 4000 rpm, let the initial timing be what it ends up at (probably be 12-16°), if it idles too high (carb won't adjust down), move the vacuum advance from manifold to ported. Adjust your mechanical to be all in by 2500 rpm. AND HOLD ON....
If I set my mechanical to be all in at 2500, is it necessary to go all the way to 4000 with a timing light? Wouldn't it be the same as 2500?