C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Best Coolent COMBO

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Old Jul 8, 2012 | 02:04 PM
  #1  
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radar502
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Default Best Coolent COMBO

What's the best coolent combo for my LT-4 C-4..About a year ago I put in a little Antyfreez and water and some Wetter water.It's been in about a year..I can tell the temp is a little hotter thay it was when I put in in new .. The cooling Sys is all new just need the right coolent combo..What ya'll think ?? Thanks
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Old Jul 8, 2012 | 04:43 PM
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Your yr calls for DEXCOOL.
Orange...
BUT,
DO NOT use that unless you flush the system 100% or MORE. Dex will not mix with other junk. You CAN add wetter to dex. I have been running DEXCOOL in my 87 for over 10 yrs with water wetter and have absolutely no problems. People that have problems with dex are the ones that did not flush it well and let a little green and orange mix.
Orange is 5 yr and green is 1 yr before it starts to turn bad. Whats the choice? If you have aluminum in/on your engine you want to run Orange...DEX...just do the work and flush the system and it will be fine.
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Old Jul 8, 2012 | 06:13 PM
  #3  
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That’s what I use:
Dexcool (1 gal) + distilled water (1 gal) + water wetter
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