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JD 530 GAS THERMOSTAT

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Ellis

01-21-2003 14:32:13




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I am in the final stages of a complete restoration of a 530 gas. I was planning on installing a 180F thermostat. The tractor will be used for shows and some pulling. The engine is completely redone inclusive of new JD high altitude pistons. Should I run a higher temp thermostat ( 192F ) or stay with the 180F ?
Any recommendations would be appreciated.




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Ellis

01-22-2003 14:47:43




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 Re: JD 530 GAS THERMOSTAT in reply to Ellis, 01-21-2003 14:32:13  
Thank you all for the valuable help and info.
I will stay with the 180 stat as we have no plans of using the tractor in the colder weather.
This has been an interesting restoration as we have run into many surprises; ie teeth broken on the govenor and ventilator pump gears, power steering vane bolts sheared off plus other small items that can become very costly on a total rebuild. This 530 ran nice and showed well in its original state with all options.The surprises were all internal. Thanks again.

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G Taylor

01-22-2003 09:05:55




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 Re: JD 530 GAS THERMOSTAT in reply to Ellis, 01-21-2003 14:32:13  
I put a AB4745 180-202F stat in the 50 we just finished and it stays at 175F when just putting around. Kicking myself for forgetting to free up the manifold heat valve when it was sitting on the bench. It's a key to driveability,efficiency and less wear in cool weather/light loads. The 80 had no stats when we purchased it fully restored but that's another story. Now even with AB4744 162-182F's it won't even move the temp gauge unless the rad is 100% covered or it's doing field work. You can't go wrong with the AA6292 195-212F or the AB4745 180-202F stat. If only worked hours on end with a red hot exhaust stack than a cooler AB4744 stat would be better for exhaust valve/seat life.

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Clooney

01-22-2003 03:37:35




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 Re: JD 530 GAS THERMOSTAT in reply to Ellis, 01-21-2003 14:32:13  
Ellis, I don't think it will make much difference. If the tractor isn't worked hard in cold weather neither t-stat will probably open, & if it's worked in hot weather it will probably exceed 190� while working so both will be open.
~Most vehicles of that era were designed & tuned around a 180� t-stat so the 180� should work good.



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MPK

01-21-2003 20:05:16




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 Re: JD 530 GAS THERMOSTAT in reply to Ellis, 01-21-2003 14:32:13  
I would say if you're not going to work it too hard in hot weather the 180 is good.



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Chuck W

01-21-2003 14:38:18




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 Re: JD 530 GAS THERMOSTAT in reply to Ellis, 01-21-2003 14:32:13  
I doubt that that it would matter in a warm climate, however you may benefit your performance better with electronic ignition with the hi altitude pistons as timing may be more critical....



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