1206 timing
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Anonymous User
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Looking for advice on timing for a Farmall 1206 I'm going to be pulling Farm stock turbo classes I sent the pump out had some work done to it as well as installed a 3lm 466 Turbo I was told I need to advance the timing a little bit when I stick the pump on I was running at 10 degrees before I sent pump out just wanting some information on where I should set it at 1 it once I get the pump back any help would be greatly appreciated also I don't want to get too crazy with it as I still do little bit of farming with it not nothing drastic but still run discbine and some other things now and then |
Re: 1206 timing
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put timing at spec, and make small adjustments from there if needed. When turning up a Roosa, the beginning of injection happens earlier anyway, but only when fully loaded. |
Re: 1206 timing
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Anonymous User
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Thanks will do that and play on dyno some. Just wasn't sure where to start because was told that my pump was doing good just that the advance was a little slow |
Re: 1206 timing
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Registered: 09/03/2010 Posts: 393 |
The 361/407's don't like much advanced timing nothing like the 400 series motors. I'd have to look at mine on my pulling tractor to tell you what it is because I don't remember what I've got it at (I run a a-pump). Use to run a roosa and I believe we had it set close to stock setting and that was where it run the best. |
Re: 1206 timing
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Registered: 08/21/2008 Posts: 590 |
I'll second the stock setting. I too run an inline on a 407, it doesn't like over advanced timing, I think I took stock Roosamaster initial timing, then added the intravance, and set my inline accordingly. |
Re: 1206 timing
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We run 46* on our p-pump but under complete different pulling set up. With your stock set up stock timing is all you'll need |
Re: 1206 timing
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This is true when really turning one up. Now, on my Roosa 450 builds, I prefer to mark them for start of injection, and then tell you to install it around 40*. There's so many different ways shops build 450 pulling pumps, you'll have to ask them where to time it. |
Re: 1206 timing
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Timing on a Roosa pump is checked at the end of the injection cycle, not the beginning like inline pumps. With that said I have found on Deere tractors that if you RETARD, not advance, the timing a couple of degrees you will find some power. I have ask some old JD mechanics, diesel pump guys about this and they all said that was normal, due to the way the timing is set. I know, sounds odd and goes against what is the norm, but the little Roosa pump is a little odd. |
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