questions on timing an engine

You had your initial at 10*, then 42*at 3000. When you turned the distributor to get it back to 35* you changed your initial. Check it again, I'll bet it's not at 10* anymore.

What you need to do is get your initial set at whatever initial you want. I have mine set at 16*. Then to get the mechanical you will have to limit it inside the distributor it self (brazing the slots is one option) to keep the plate from turning as far as it does now, then if needed you can slowly file some of it away to get the desired mechanical. After that you can put lighter springs in 1 spring or a combination of lighter springs to get your mechanical to come in at the desired RPM. I have mine all in by 2500.

You can't just turn the dizzy to get total because that changes your initial.