I went back to the MSD forums to read around a bit more to make sure I was on the right track and I think half of the time the techs there that answer are completely backward as well.
Trying to compare vacuum advance with vacuum in inches to Boost Retard with instead of vacuum in inches, manifold pressure...makes one's head spin.
What I need to do is decide if it's worth the effort to lock the distributor in at say 45* crank timing and plot both run retard and boost retard graphs to pull enough timing out with either or both to get the timing in perfect spot for all scenarios? I could probably end up with total timing in the 40+* range at idle and cruise RPMS and use the MAP sensor\boost retard to pull timing out under a load and WOT.
Really, for my use...it runs pretty dang good like it is as long as I don't dog it down in higher gears and apply massive amounts of throttle. Seems like it might be safer for me to stay the course instead of trying to reinvent the wheel...
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Lance
1985 Monte Carlo SS Street Car
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