My Month of MAF

I've decided to follow the advice of Dr. Maffetone and dedicate the next 4 weeks or so of my training to MAF training.

In a nut shell here is the formula used for determining the proper HR range to exercise in for Maximum Aerobic Function.

180 – age = Maximum Aerobic heart rate -10 if recovering from major illness -5 if not exercised before, exercised irregularly, has ongoing injuries, or overtrained As is if exercising regularly (4 times weekly) for up to two years without problems +5 if competitive athlete training for more than two years without problems, and have made progress in competition. 

However Dr. Maffetone's method is far more comprehensive than just training zones.
What-is-the-maffetone-method
Good food, good rest, good music, good love.  It all sounds like a good idea to me.
My first MAF test
 FEBRUARY 6, 2015 @ 07:59 8km Av pace 7:14/km on a track at 6.1°C

Since the test I have been doing all of my training runs in the MAF zone or lower and trying to also stay off flat terrain.  I suppose I should do my second MAF test on 3/6 at the same track just to keep things equal.
I wonder how long I will need to continue before I see results?
Have you tried the MAF method?