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 - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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