Heck, I was going to say, your 3 degrees was probably right. I remembered they changed their minds and moved the timing up later on. Fact is, the very first 656 gear drive tractors had a speed advance and they soon changed to the load advance system that had been in use on the 560's. I would have to look at the book to be sure though. The hydrostatic models stuck with the speed advance as they were higher rpm engines. I like to run them as late as you can and still run smooth at high rpm's with a properly adjusted automatic advance be it speed or load style. .
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Today's Featured Article - It Can't Be Done! - A Tractor Story - by Neil Campbell. I'll never forget the time back when I was a boy baling hay on our Farm in Big Rapid, Michigan. The most memorable event that took place was a trip up the steepest incline on the farm pulling an old New-Idea baler with a pony-motor for power and a haywagon. I had just talked my Dad into buying an old John Deere B with 6-speeds ahead and I was real proud of it, except it was a little smaller than the Case tractor that we normally
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