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12-09-2017, 10:28 PM
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#1 |
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Junior Member
Join Date: Mar 2017
Posts: 15
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Engine coolant flush
got the 31 A running, found the water pump was seized. ready to install the new pump. some gunk in the system, can you, or should you flush the engine and radiator, and if so What should I run through the system???? I have a 29 and this 31. Thanks to everyone for the help.
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12-09-2017, 11:18 PM
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#2 |
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Senior Member
Join Date: Jun 2014
Location: Melbourne, Australia
Posts: 7,496
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Re: Engine coolant flush
Can you tell us a little more about this "Gunk"? Is it rust? Is it oily? Pictures might help.
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I'm part of the only ever generation with an analogue childhood and a digital adulthood. |
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12-09-2017, 11:29 PM
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#3 |
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Senior Member
Join Date: May 2010
Location: Camarillo, CA and Pine Grove, CA
Posts: 2,832
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Re: Engine coolant flush
After severely cleaning the oil out of my radiator with DAWN dish washing detergent and flushing it thoroughly I filled the system with RUST 911. Left it in while driving the car for a few days. Flushed the system and filled with coolant. It is now rust free and runs cool, even in a parade.
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1921 Runabout 1930 Tudor Early 1930 AA Speed costs money. How fast do you want to go? 
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12-09-2017, 11:47 PM
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#4 |
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Junior Member
Join Date: Mar 2017
Posts: 15
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Re: Engine coolant flush
has some rust, but it is somewhat oily, car was in storage and not running for awhile. compression is good.
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12-10-2017, 01:06 AM
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#5 |
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Senior Member
Join Date: May 2010
Location: Fairfax, VA
Posts: 3,393
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Re: Engine coolant flush
White vinegar works well as does coke.
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12-10-2017, 05:16 AM
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#6 |
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Senior Member
Join Date: Oct 2014
Location: Keystone Heights, FL
Posts: 647
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Re: Engine coolant flush
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I Love Anything That Turns Money Into Noise |
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12-10-2017, 06:00 AM
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#7 | |
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Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Engine coolant flush
Quote:
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12-10-2017, 08:50 AM
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#8 |
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Senior Member
Join Date: May 2010
Location: new britain,ct 06052
Posts: 9,389
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Re: Engine coolant flush
Do a search here as this subject has been covered "in depth". FWIW
Paul in CT |
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12-10-2017, 12:47 PM
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#9 | |
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Senior Member
Join Date: Jul 2011
Location: Southwestern Connecticut
Posts: 931
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Re: Engine coolant flush
Quote:
Ken
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Style beats speed any day, and with a lot fewer tickets. |
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12-10-2017, 07:27 PM
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#10 |
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Junior Member
Join Date: Mar 2017
Posts: 15
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Re: Engine coolant flush
flushed the radiator with DAWN, came out real nice. ordered RUST 911 radiator cleaner. Thanks!
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12-10-2017, 08:56 PM
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#11 |
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Senior Member
Join Date: Jun 2011
Location: Westchester County, NY
Posts: 632
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Re: Engine coolant flush
If you run the car with more cleaner, don't forget to use a filter or you may dislodge some rust/gunk that will only clog the radiator.
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12-10-2017, 09:25 PM
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#12 |
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Senior Member
Join Date: Oct 2017
Location: Leicester, MA
Posts: 296
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Re: Engine coolant flush
How do you use a filter?
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12-11-2017, 12:15 AM
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#13 |
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Junior Member
Join Date: Mar 2017
Posts: 15
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Re: Engine coolant flush
champion makes a inline coolant filter. does anyone have any suggestions??
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12-11-2017, 01:37 AM
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#14 |
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Senior Member
Join Date: May 2010
Location: Between Seattle & Tacoma
Posts: 2,354
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Re: Engine coolant flush
Use a nylon sock or pantyhose in the hose from the head into the radiator.
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12-11-2017, 01:06 PM
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#15 |
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Senior Member
Join Date: Dec 2011
Location: SW Idaho
Posts: 970
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Re: Engine coolant flush
Problem with the sock filter is the incline that the outlet is set at . Shut off the engine and much of the rust crud can fall back into the engine. Gano filter is one that traps the rust so it can't go back down to the block. With that in mind always flush with all hoses off so the huge supply of rust in the rear of the block won't dump into the radiator.
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12-11-2017, 02:25 PM
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#16 |
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Senior Member
Join Date: May 2010
Location: Central, IL
Posts: 3,968
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Re: Engine coolant flush
When i cleaned my radiator that would let it overheat i found more blocked grease in the tubes than anything else. I let it soak topped off with degreaser (purple power stuff i think) for 24 hours then hooked a swimming pool pump up to the outlet and blasted the gunk out. Worked rather well and no more overheating. Did the same to the block and flushed alot of silt and very fine rust particles out. I did a very thorough job of poking back there with a stiff wire for hours when i had the engine out. Then used an air wand shoved back there to really clean it.
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1929 Model AA - Need long splash aprons! |
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12-11-2017, 02:26 PM
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#17 |
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Senior Member
Join Date: Oct 2014
Location: Keystone Heights, FL
Posts: 647
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Re: Engine coolant flush
Rust 911 will convert rust to silt so a filter or screen isn't required.
Be sure to thoroughly back flush the cooling system after treating with Rust911 refill with antifreeze & distilled water.
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I Love Anything That Turns Money Into Noise |
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