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winter-hater club member
Join Date: Oct 2003
Location: salt lake city, utah
Posts: 24,705
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actually, antifreeze does not have the heat absorbtion properties that water does. this is why it is recommended to run only enough coolant to keep your block from freezing.
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2000 Corvette - ????, 2007 Buell XB9R - Astrid, 1996 Discovery - Piglet, 2000 Forester "COOL PRIUS!" - Nobody Ever |
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11-27-2005, 05:35 PM
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Registered
Join Date: Jul 2001
Location: Edmonton, Alberta, Canada
Posts: 4,530
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antifreeze/coolant same thing (ethylene glycol).......although there are a few other alternatives but to keep the discussion simple lets assume ethylene glycol...
The only thing is that it is not a good idea to run on straight water..... 1. Coolant/Anti-freeze acts as a lubricant for your water pump. 2. Prevents corrosion from dissimilar metals.. 3. Raise boiling point and lowers freezing point. If you run straight water it will normally boil at ~212F...... but the cap keeps the system pressurized to raise the boiling point. If I were to run the turbo hard on straight water during the summer. She would overflow like nothing. ...and as I am sure some have noticed a little overflow from there coolant tanks on occasion....... but I guess it could also be a bad cap / bad mix or blown head gasket 
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Alex - PCA Polar Region - Boxster Muncher 86' 944 Turbo - Megasquirt - 326 rwhp/340lbft @ 18 psi SOLD www.edmontonhomelife.com www.edmontonrealestate.ws |
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11-27-2005, 06:24 PM
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Registered
Join Date: Nov 2005
Location: phoenix, az
Posts: 5
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If I live in Phoenix Arizona where it hardly ever gets cold, can I get away with running only water? Will that keep the engine cooler then having some anti-freeze in the mixture. Also, should I add something else to keep the engine from over-heating? (120+ F) is occasional during the summer.
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11-27-2005, 06:27 PM
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Registered
Join Date: Jun 2004
Location: Granite Falls, WA
Posts: 543
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Well.........maybe wanna see this.
 
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1985/1 944 Granite Red (wife's car. Iceshark is lighting her way) 1983 944 Platinum (my daily) 1985/1 Guards Red (project) |
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11-28-2005, 07:04 PM
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Registered
Join Date: Nov 2005
Location: phoenix, az
Posts: 5
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...damn great answer
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11-30-2005, 04:05 PM
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Registered
Join Date: Sep 2001
Location: Tucson AZ USA
Posts: 8,228
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kyle
Tucson here (a tad cooler than Phoenix). AE is correct and thanx to Granite for the factual data. I always recommend antifreeze and you could in addition try Water Wetter. The 944 cooling system is, to be kind, marginal at best. (so are those in VW waterpumpers). Anything that increases the boiling point and reduces the pressure in the system at operating temps is good. Intertestingly, we just finished a 4,000 mile trip in a 2005 Pontiac Grand Prix. Whether idling or at speed, the temp gauge never varied unlike the 944 that operates like a yoyo.
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Bob S. former owner of a 1984 silver 944 |
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11-30-2005, 04:34 PM
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Registered
Join Date: Nov 2004
Location: Ontario, Canada
Posts: 525
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Kyle. Take this opportunity to drain the old crap out and refill with new 50/50. Remember your drain plug is broken. Remove your under carrage pan and take off the bottom hose after the engine has heated. Thermostat open. While there put the new fan assembly in you sead you got in one of your last posts.
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87 924S 107k (miles) yellow 1969 Firebird Coupe (Full frame off restoration.) 98 BMW 740i 2020 Subaru Outback and 2019 Crostrek. |
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12-01-2005, 10:03 AM
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Registered
Join Date: Dec 2004
Location: texas
Posts: 455
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Quote:
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keep the dream alive! 1988 944 NA (purple) |
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12-01-2005, 10:53 AM
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Registered
Join Date: Apr 2005
Location: Ontario, Canada
Posts: 4,554
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Quote:
I might head over to my old highschool a couple blocks away - they have an auto bay and they might allow me to use their equipment - best part is it's in the school and heated. lol or better yet, give it to them.. a new class starts up in january and they might actually want to do some work on it... lol (the rear drivers wheel being one job.. the coolant another.. the fans another....
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Kyle 2008 Mini Cooper // '83 Porsche 944 // '01 Mazda Protege [sold] // "Never break more than you fix!" - SoCal Driver |
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12-01-2005, 01:13 PM
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I use Dex-Cool the GM product.good for all things aluminum
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*Disclaimer: The person above is actually dumber than he appears. my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements '84 944 auto/ps/ac/cc '86 951 Providing ignorance one post at a time. |
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12-02-2005, 11:16 PM
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OMG, I was in Phoenix working behind a machine @113° . We'd drill two holes and go cool down in the cab in the a/c. Then hit it again. Later that same week went to Albaquerqe (spelling not even close, I know) and froze my berries off. Love the 75 mph speed limit, tho!
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*Disclaimer: The person above is actually dumber than he appears. my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements '84 944 auto/ps/ac/cc '86 951 Providing ignorance one post at a time. |
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12-02-2005, 11:19 PM
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Registered
Join Date: Nov 2005
Location: Visalia, Ca
Posts: 1,327
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Clarks Garage say's he uses prestone extended life wich is phosphate free. Extended life i'm going to use the Extended life 5/150 because it's silicate and phosephate free and has better corrosion inhibitors i guess
It's a pretty cool answer to the whole what coolant to used question http://prestone.com/carcare/faq.php
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Jaime O. Thank god I crashed or i would never have owned a porsche 83 944 daily driver (clutch and tt time) 85 325e BMW T-boned R.I.P. |
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12-09-2005, 12:22 PM
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'84 Porsche 944 2.5L
