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Old 11-03-2015, 01:17 AM   #15
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Originally Posted by SpringerPop View Post
Unless something's new, I don't remember Blackstone doing analysis on coolants.

I've used them for lubricants for the last decade, but I send my coolant off to Polaris.

Pop
checked blackstone website saw nothing about coolant testing. reckon they don't do it. in addition to palaris, i know herguth does it: Antifreeze/Coolant | SGS Herguth Laboratories
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Old 11-03-2015, 06:42 PM   #16
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Here is a good source for lube and coolant testing.
http://www.jglubricantservices.com/online_store.html


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Old 11-03-2015, 07:21 PM   #17
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Here is a good source for lube and coolant testing.
JG Lubricant Services, LLC


Steve
got it. they do coolant testing. thanks
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Old 12-01-2015, 11:37 AM   #18
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How did the coolant change go?

My rig with C8.3L Cummins takes about 11 gallons of 50/50 coolant.

The manual recommends plain old Ethylene-Glycol coolant.

What did the Final Charge coolant gain for you other than longer run cycle and no SCA checking?
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Old 12-01-2015, 10:45 PM   #19
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Originally Posted by deandec View Post
How did the coolant change go?

My rig with C8.3L Cummins takes about 11 gallons of 50/50 coolant.

The manual recommends plain old Ethylene-Glycol coolant.

What did the Final Charge coolant gain for you other than longer run cycle and no SCA checking?

Dean - I noted about a 5 degree drop in normal operating temps, and my old highs have never been reached again. So either my old coolant was getting beyond a healthy life (though it tested fine), or the Final Charge does a better job of shedding heat via the radiator. Suppose it could also have been the multiple flushes with distilled water, maybe helping the radiator some too.

But for sure, the coach runs a bit cooler.

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Old 12-02-2015, 09:14 AM   #20
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Dean - I noted about a 5 degree drop in normal operating temps, and my old highs have never been reached again. So either my old coolant was getting beyond a healthy life (though it tested fine), or the Final Charge does a better job of shedding heat via the radiator. Suppose it could also have been the multiple flushes with distilled water, maybe helping the radiator some too.



But for sure, the coach runs a bit cooler.



Smitty

Interesting result Smitty. I had a similar experience. My coach is 12 years old now and the coolant has been changed out twice. The last time was 2 years ago. I have elected to stay with ethylene glycol. My engine operation temp had always been at or just above the thermostat opening temp of 180. My transmission temp would run 8-12 degrees above the engine temp. The transmission fluid cooler is internal to the engine coolant radiator.

My engine temps remained approx the same after the coolant change. However my transmission fluid temps dropped to 4 degrees above the engine coolant temp. This is due to the fact that I had let my coolant get above the recommended 50/50 coolant/water ratio. A Fleetguard field engineer told me that the ethylene glycol doesn't transfer heat as well as water. The engine radiator had enough excess cooling capacity but the small heat exchanger that the transmission uses doesn't have any extra capacity.
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Old 12-02-2015, 10:06 AM   #21
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Originally Posted by deandec View Post
How did the coolant change go?

My rig with C8.3L Cummins takes about 11 gallons of 50/50 coolant.

The manual recommends plain old Ethylene-Glycol coolant.

What did the Final Charge coolant gain for you other than longer run cycle and no SCA checking?
the manual says 12.5g for my rig. after multiple flushes, i filled in 6g concentrated final charge then filled up with distilled water. have one gallon of final charge left for future top off.

i have yet to run it on the road, so don't have the chance to see other benefits yet.

one small tip - to flush out the old coolant trapped in heater core and in hurricane system, i ran hurricane to heat up the water/coolant temp first. it's very fast, just about 10 minutes the temp was up (vs. running engine to warm it). then started engine with max air/heat open.
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Old 12-02-2015, 10:34 AM   #22
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Ok, thanks for the update.

No Hurricane system on our rig. So just a simple flush.
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