Re: Evapo-Rust
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Home away from home
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Thermostatic shutters working?
Posted on: 7/10 10:48
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry |
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Re: Evapo-Rust
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Not too shy to talk
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37 business coupe doesn’t have shutters.
Posted on: 7/10 11:25
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Re: Evapo-Rust
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Home away from home
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I have used it and found it works well. Cleaned out debris and car runs cooler. Be sure to use the correct product. Don't use evapo rust but another product made by them specifically for the cooling system, believe it's called thermocure
Posted on: 7/10 12:27
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1954 Cavalier (export model)sold
1941 Clipper 1939 120 Rollson all weather cabriolet George |
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Re: Evapo-Rust
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Home away from home
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I have used Evapo-Rust extensively with excellent results.
However, I have not used it on the coolant passages of an engine block or in a radiator. Have you flushed the cooling system? If so is it clean and does it flow well? The manual lists the radiator for the Six as having "Gravity flow new, 38 to 41 gallons per minute." Have you measured how hot it is when you say it "has a tendency to run hot in traffic and at idle."? The thermostat you put in was the correct 147 degree based on the part number. You haven't described it as hot enough to boil over.
Posted on: 7/10 13:04
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Re: Evapo-Rust
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Home away from home
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I'm going to try the Thermocure here shortly (1954 Panama). I'm running warmer than I should be and my radiator has been professionally cleaned, new thermostat, etc. Block has been backflushed but nothing else. I'm curious to see what the Thermocure does.
Planning on running a Gano filter or something similar to pick up all the debris. And I also plan to clean the filter several times throughout the treatment.
Posted on: 7/10 13:39
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Re: Evapo-Rust
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Home away from home
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The product you want is Oxalic acid (If no Aluminum present in the system)
Posted on: 7/10 16:37
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Re: Evapo-Rust
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Not too shy to talk
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The dash temp gauge will be pegged at 212,the infrared thermometer reads 214 across the cylinder head and the radiator temp is at 208 and the radiator will boil over. I’ve yet to flush the system.
Posted on: 7/10 19:19
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Re: Evapo-Rust
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Webmaster
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Yup,that's running pretty warm.
Have you checked your the timing? Late time will made engine run hotter than normal.
Posted on: 7/11 6:35
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-BigKev
1954 Packard Clipper Deluxe Touring Sedan -> Registry | Project Blog 1937 Packard 115-C Convertible Coupe -> Registry | Project Blog |
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Re: Evapo-Rust
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Quite a regular
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Overheating issues are challenging to resolve. Your car doesn't have the same 288 engine that 49 has but these are the things I have done to my car that finally solved the problem with overheating. Replaced the radiator, radiator cap, hoses, fan belt, installed an aftermarket temp gauge, flushed the block, inspected and tested the thermostat, installed a pusher 12vdc fan in front of the radiator (powered by a separate battery), replaced the head gasket that upon removal I discovered it was leaking at one cylinder. All of this helped control the temperature, but the engine still ran too hot in stop and go traffic. Finally, Last month I installed a shutoff valve on the heater hose coming out of the top of the block. The valve prevents hot coolant from circulating through the heater core and returning to the water pump and bypassing the radiator. During test drives in Texas 95F afternoons the engine now indicates 190-195F at 50 mph, and 210F at stop lights without the aux fan running. I am also considering fabricating a fan shroud.
Posted on: 7/11 6:49
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