I mess around on the weekends with a restored M&W P-400 dyno.
We time motors with a digital timing light with a tach built in.
When you establish a final rpm that your happy with we time it.
Clip the pick up to cylinder #1 wire and spin the motor up to full throttle. At this point watching the tach in the timing light turn the dist. tell you get max rpm.
This works great , but we get even better results doing the same thing under full load of the dyno.
Under load we have seen 4 to 8 hp gain and this is on stock motors.
We have messed around with light weight springs on the advance weights to bring in full advance real fast.
I always woundered how much actual advance we would really get with a stock dist in a Super M with those bed springs they use on the weights.
The springs are so heavy and the rpm is only 1800 so do they really open.
Keep it simple these old tractors are sloppy.
A pulling tractor is another story all together MSD/crank triggers/ high out put coils/ timing retards etc etc etc....
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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