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Old 01-26-2014, 08:01 AM
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Distilled water questions

Hello,

I started flushing my truck with distilled water yesterday in preparation to switch over to Rotella Ultra ELC. After doing some more reading I need to replace my thermostat since my truck doesn't seem to fully get up to temp. It normally runs around 175-180 according to my SCT. Deltas before the drain were around 9 degrees, and are about the same 2 distilled water flushes in. Problem is it's Sunday and I can't get a thermostat from Ford till tomorrow, if they have one on hand.

How long can I leave the water in my truck? I live in Chula Vista and the temps are supposed to be in the 65-75 range next week. I know 100% distilled water will leech minerals from metals in the cooling system but that takes more than a few days right?
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Old 01-26-2014, 08:21 AM
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Quote:
Originally Posted by w00ht View Post
but that takes more than a few days right?
Nope, just a few hours. Might be better off getting the ELC in there, and losing a couple cups worth to replace the thermostat.
It doesn't take long to pull the lower rad hose off into a 5 gallon bucket anyway. Then just pour it back in.
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Old 01-26-2014, 09:05 AM
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^^^ Don't leave just H2O in it. Put in the ELC and just drain out about 2 gallons when you replace the T-stat. If you are clean on the draining, just pour it back in. If you are fully anal about it, filter the coolant when you put it back in.
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Old 01-26-2014, 10:20 PM
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Thanks for the replies, I ended up flushing it a few more times this afternoon and then filling it with ELC. That way I don't have to be in a rush if I feel like being lazy this week (happens a lot ) I have 2.5 gallons of concentrate left so I'll mix some 50/50 up to top off after I swap the thermostat if I don't catch all of it.
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Old 01-27-2014, 03:05 PM
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OT. Nice bateau there two icebergs.
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Old 01-27-2014, 04:54 PM
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8.1l Volvo (496 GM big block) 23' Epic. If I get 2 mpg we are doing good! In a full day we go through 30-40 gallons. Right now it is doing its best imitation of an ice cube in the storage shed. Maybe later this week I will post a picture of a snow bank!

Last edited by twoicebergs; 01-27-2014 at 05:03 PM.
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Old 01-27-2014, 07:55 PM
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2mpg!? In my dreams!

I got two old v6 two strokes hanging off my transom
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