It doesn't take load into account and it is still prone to slop in the distributor mechanics. If you are serious about a proper mappable system, like a stuck record, I point you to the best, cheapest option:
The link below looks like the same thing but the details seem clearer. They both look like they could actually duplicate the tuning capabilities of contact breaker points:
Up to now every electronic ignition I've looked at has not had points dwell adjustment meaning I wouldn't be able to tune my car correctly but this looks like that problem could finally be solved. I'll be interested to read what others think.
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My car basically does that
The dizzy is locked and is controlled by the computer.
In fact I want to upgrade to a MSD dizzy that can be locked down and I heard they are going under
Don
Stick a Wedge In It
80 TR7 V8 Kick in the pants