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Old 05-22-2009, 05:45 PM   #17 (permalink)
RH77
Depends on the Day
 
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Join Date: Nov 2007
Location: Kansas City Area
Posts: 1,761

Teggy - '98 Acura Integra LS
Sports Cars
90 day: 32.74 mpg (US)

IMA - '10 Honda Insight EX
Team Honda
90 day: 34.76 mpg (US)

Tessie - '06 Acura TSX Base
90 day: 28.2 mpg (US)
Thanks: 31
Thanked 41 Times in 35 Posts
Quote:
Originally Posted by theunchosen View Post
what!?

Filtered water for your coolant? You must pamper your car. I drop the hose into the coolant tank and turn it on lol for summer.

If you are going 100% water you want regular tap water. The amount of particulate matter that might be hard on the pump is small and pumps are pretty sturdy. Also it will slightly raise the boiling temperature of the water which would be a definite plus since your temps seem to run close to boiling anyway.

I'd recommend 90% water and 10% anti-freeze...
Yes, only Evian for Teggy (Is that reference outdated???)

Aside from the funny stuff, the fixes seem to be working quite well

I'm approximating a 90/10 mix. The highest temps have been 213-216F, with A/C, in town. It goes back down to 206F and all is good. Almost no fan engagement without the A/C engaged, IATs at 100-110F and expected (if not better) FE. EOC shows a spike, but still no boil off.

It's been about 150 miles with no boil-off. I'm starting to wonder if I can run 100% water and have minimal volume reduction with the inherent pressure protection of the cooling system.

Thanks guys for all the suggestions!

RH77
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