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Discussion Starter #1
I did a forum search and didn't find what I was looking for so will start a new thread.

I just rebuilt the water pump, and had the radiator flushed. Should I use distilled water with the coolant (50/50 mix) now? They did get some calcium out on the flush. Though this ole tractor had probably not been given a lot care before so this could have been the first/only flush.

Also, replaced the thermostat with a 180* one - not sure what the old one was. I had a choice of 180 or 195 and went with the 180. Right or wrong?

Thanks
 

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Hiya,

Distilled water is best to mix with anti-freeze concentrate for cooling systems however, a better solution these days is to pre-mix 50-50 coolant. It's mixed to the correct ratio and it's a simple fill, cap and go.

I didn't take notice to what equipment you were putting it in but if it's a wet liner engine, make sure you get the correct SCA/DCA additive % so you don't get cavitation damage.

Afterthought: You may want to get a zinc anode so that you will get less corrosion in the components: https://www.summitracing.com/parts/flx-32060
 

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Hiya,

Distilled water is best to mix with anti-freeze concentrate for cooling systems however, a better solution these days is to pre-mix 50-50 coolant. It's mixed to the correct ratio and it's a simple fill, cap and go.

I didn't take notice to what equipment you were putting it in but if it's a wet liner engine, make sure you get the correct SCA/DCA additive % so you don't get cavitation damage.

Afterthought: You may want to get a zinc anode so that you will get less corrosion in the components: https://www.summitracing.com/parts/flx-32060
X2 :thumbup1gif:
 

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Discussion Starter #4
Thanks for the info. BTW - it's an old 2440 about 1977 vintage.
 

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Hiya,

Distilled water is best to mix with anti-freeze concentrate for cooling systems however, a better solution these days is to pre-mix 50-50 coolant. It's mixed to the correct ratio and it's a simple fill, cap and go.

I didn't take notice to what equipment you were putting it in but if it's a wet liner engine, make sure you get the correct SCA/DCA additive % so you don't get cavitation damage.

Afterthought: You may want to get a zinc anode so that you will get less corrosion in the components: https://www.summitracing.com/parts/flx-32060
X3:hi:
 

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Discussion Starter #6
Took the advice and went with 50/50 mix. Capacity was supposed to be 11qts, but after draining, could only get 8qts in. Still, probably a better set up than straight mix and tap water.
 
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