Vacuum advance range + big block timing
By edbods
You'd think vacuum advance cans are generally built to some sort of standard, so would that apply to the range at which they advance timing? I've got a 67 383-2 that I converted a while back to electronic ignition, bought the dizzy from Rick Ehrenberg but using a hand vac pump, it seems like the vacuum advance on that has a range of 13 inches. I wasn't able to adjust when it kicked in (stuck a 3mm and a 3/32" allen key and neither worked, just felt like the hex was rounded out) so I... Read more
