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Old 02-13-2018, 02:20 PM   #11
astikhossw
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Default Re: Water in radiator rusty looking

You can put about a gallon of cleaning vinegar in the radiator and let it circulate for 5 or so minutes and let it sit over night and then water hose it out then fill the system with fresh water and circulate that for 5 or so minutes and dump it. It will clean out the rust and scale in the block and radiator, you just to flush it ienough to get the water back neutral.
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Old 02-13-2018, 02:46 PM   #12
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Default Re: Water in radiator rusty looking

I trailered my old boy's Roadrunner Stocker to a radiator shop when he let it sit over a year with water in it.....They back flushed the system and that seemed to help out.

Although if it was seriously rusted =
I suppose you could blow out a freeze plug that way!
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Old 02-13-2018, 03:39 PM   #13
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Default Re: Water in radiator rusty looking

I actually added some cascade dishwashing powder to an old motor and it made a difference.
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Old 02-13-2018, 04:00 PM   #14
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Default Re: Water in radiator rusty looking

Quote:
Originally Posted by Todd Bailey View Post
I actually added some cascade dishwashing powder to an old motor and it made a difference.
Interesting
Dishwashers prevents water spots when dishes dry.
I like this.

D
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Old 02-13-2018, 09:11 PM   #15
HammondRacing
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Thumbs up Re: Water in radiator rusty looking

Thanks for the help
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Old 02-13-2018, 09:45 PM   #16
MR DERBY CITY
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Default Re: Water in radiator rusty looking

I took my radiator to be cleaned at a reputable radiator shop. Although it used to be TABOO, many racers put a quart or so of antifreeze in the water....
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Old 02-13-2018, 11:23 PM   #17
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Default Re: Water in radiator rusty looking

I'm on the verge of ordering Evans Waterless Coolant for my cars. Thoughts or experience with that coolant?
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Old 02-14-2018, 04:14 PM   #18
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Default Re: Water in radiator rusty looking

I use 2 bottles of Gunk Water Pump Lube. Goes in like milk. Comes out the same in the fall. Done it for years. No rust whatsoever? I still use a stock radiator.
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Old 02-21-2018, 09:22 AM   #19
chris ok
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Default Re: Water in radiator rusty looking

Learned and used vinagar years ago. Someone put trans fluid instead of toyota red coolant in a corolla. I had to flush it out and used the clear vinegar and wuite a bit for this mess. Those jobs never went back to the mess makers, lol.
Took a few doses but car was eventually good w patience.
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Old 02-21-2018, 10:04 AM   #20
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Default Re: Water in radiator rusty looking

Your results may vary, all I can tell you is what worked for me. Years of rust in the radiator with a SBC with iron heads and aluminum radiator. I tried every combo of additives and lubes from water pump lube to lucas additive and others in between and still had rust, always used distilled water. One year I actually read the directions on the bottle of Lucas coolant additive and it said do not use distilled water. Since then I use Lucas additive with gallon bottles of store bought drinking water. No more rust.
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