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Cooling flush with CLR

Old Sep 18, 2011 | 07:20 PM
  #1  
91camarolt1's Avatar
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From: Lehigh Acres,Florida
Car: 1991 chevy camaro rs
Engine: 5.7 cid Lt1
Transmission: 700r4
Axle/Gears: stock
Cooling flush with CLR

Is it possible to use this for flushing out the deposits in the cooling system. Has anyone tried this. I thought about using this. I just want to get some feed back on this topic before i try it out.
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Old Sep 18, 2011 | 09:17 PM
  #2  
eseibel67's Avatar
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From: Kitchener, ON
Car: 1988 GTA
Engine: LB9
Transmission: T5
Axle/Gears: 3.45
Re: Cooling flush with CLR

I guess it would work, but why not just use rad flush?
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Old Sep 19, 2011 | 06:41 PM
  #3  
91camarolt1's Avatar
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From: Lehigh Acres,Florida
Car: 1991 chevy camaro rs
Engine: 5.7 cid Lt1
Transmission: 700r4
Axle/Gears: stock
Re: Cooling flush with CLR

Just trying to save a few buck. I have CLR here at home already. So I had the idea of using it. I was just curious. Thank you.
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Old Sep 20, 2011 | 11:32 AM
  #4  
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Cooling flush with CLR

CLR will eat all the soft metals in your cooling system.
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Old Sep 20, 2011 | 11:38 AM
  #5  
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From: Georgetown TX
Car: Base 91 'bird
Engine: 3.1 v6
Transmission: 4L60
Axle/Gears: 9-bolt 3.27 & PBR
Re: Cooling flush with CLR

What's the best way to get all the coolant passages in an older block and heads cleaned out?
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Old Sep 20, 2011 | 11:49 AM
  #6  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Cooling flush with CLR

Use a radiator flush product that doesn't use a strong acid.
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