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Tourist
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Location: Malaysia
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 Posted: Sun Aug 19, 2007 2:43 Post subject: |
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| I may be wrong but I am pretty sure Isuzu uses OAT types of Coolant chemistry. If that's the case, try to avoid Traditional chemistry Coolant that's normally green in color. |
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| Posted: Sun Aug 19, 2007 2:43 Post subject: Google Ads keep this community free to join! |
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eithan h
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Location: oxfordish
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| Posted: Sun Aug 19, 2007 10:18 Post subject: |
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| isuzu coolant is green normally |
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eithan h
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| Posted: Sun Aug 19, 2007 10:24 Post subject: |
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| forgot this bit antifreeze also raises the boiling point of the water which is where the coolant bit comes in so it does really aid to being a better coolant than water |
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Philp
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| Posted: Sun Aug 19, 2007 10:35 Post subject: |
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Was just about to add this very point. Also a lot of modern coolants have additives in to aid heat transfer like this water wetter stuff. The addition of ethylene Glycol to engine coolant allowed high performance aircraft like the Spitfire to be produced in WWII with much smaller radiators than previously possible.
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Phil
96 or is it a 98 Isuzu Bighorn Lotus |
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eithan h
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| Posted: Sun Aug 19, 2007 10:42 Post subject: |
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| christ! didn't think you were that old philp!!!! |
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Tourist
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Joined: 23 Jan 2007
Posts: 136
Location: Malaysia
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| Posted: Sun Aug 19, 2007 10:43 Post subject: |
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| eithan h wrote: |
| forgot this bit antifreeze also raises the boiling point of the water which is where the coolant bit comes in so it does really aid to being a better coolant than water |
The greater the temperature difference between the water and hot engine part, the better/faster the heat transfer ability. Coolant Chemical (CC) will will raise the boiling point of the water so reducing the temperature difference and thus reducing heat transfer ability/efficiency.
Yes, majority of the CC in market are green and that's why I said "normally". But I am pretty sure it's not the normal Traditional Green Coolant. |
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paul chaplin
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Joined: 11 Aug 2006
Posts: 15
Location: Swindon
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| Posted: Sun Aug 26, 2007 22:41 Post subject: |
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Hi All
Just fitted new rad, temp only goes to half now, haven't tried it towing yet though.
I'll keep my fingers crossed untill then
Cheers for all you comments.
Paul
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Hard1
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Joined: 08 Dec 2004
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Location: New Forest Old Git
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| Posted: Sun Aug 26, 2007 23:03 Post subject: |
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But was the new rad significantly "lighter" ?
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