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Old 11-06-2022, 03:18 PM   #1
BillCNC
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Question Thermocure vs Evapo-Rust?

Hey All,

I can't find any Thermocure anywhere near me and was wondering if I used Evapo-rust, could I still drive the car? I've been driving with Cascade for a few days already.

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Bill
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Old 11-06-2022, 03:43 PM   #2
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Default Re: Thermocure vs Evapo-Rust?

As much as I don’t like it……
Amazon and you should have it in a couple of days
I know…..uggggh
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Old 11-06-2022, 03:48 PM   #3
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Default Re: Thermocure vs Evapo-Rust?

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As much as I don’t like it……
Amazon and you should have it in a couple of days
I know…..uggggh
Exactly. I've been trying to avoid Amazon if I can and support the neighborhood stores.

Amazon tomorrow, local = now.

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Bill
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Old 11-06-2022, 03:58 PM   #4
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Default Re: Thermocure vs Evapo-Rust?

Agreed 110%
But if locals can’t step up …you have to do what you have to do.
I have to keep work flowing so that’s my take.
Don’t really like Walmart either but then again…..you got to do
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Old 11-06-2022, 11:42 PM   #5
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Default Re: Thermocure vs Evapo-Rust?

Yes, you can drive the car with Evapo Rust in the cooling system. It works better when it is hot and will not harm the cooling system. You may have to use several applications if the system has a lot of rust in it.

I feel a better product than Evapo Rust is "Rust 911". It comes in concentrated form that you dilute 16/1 with water. It is a lot cheaper than buying Evapo Rust and i think it may be the same thing when as Evapo Rust when Rust 911 is diluted.

You can buy Rust 911 online directly from the manufacturer.

I have been using the stuff for years with very good results.

Chris W.
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Old 11-07-2022, 06:35 AM   #6
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Default Re: Thermocure vs Evapo-Rust?

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Yes, you can drive the car with Evapo Rust in the cooling system. It works better when it is hot and will not harm the cooling system. You may have to use several applications if the system has a lot of rust in it.

I feel a better product than Evapo Rust is "Rust 911". It comes in concentrated form that you dilute 16/1 with water. It is a lot cheaper than buying Evapo Rust and i think it may be the same thing when as Evapo Rust when Rust 911 is diluted.

You can buy Rust 911 online directly from the manufacturer.

I have been using the stuff for years with very good results.

Chris W.
Chris, I too use Rust911 however I am pretty sure they warn you to not warm it above 160° because it will kill the chelators that attack the rust. While the radiator temps may not (-but likely may) exceed 160°, it is certain the temps inside the engine block will exceed 160° if you are going to drive the vehicle.
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Old 11-07-2022, 08:22 AM   #7
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Default Re: Thermocure vs Evapo-Rust?

I hate Amazon. Bought Evopo Rust from Walmart, almost as bad.
Google is your friend. Lowes, Home Depot, Ace etc also list it.

Last edited by GPierce; 11-07-2022 at 09:14 AM.
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Old 11-07-2022, 08:54 AM   #8
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Default Re: Thermocure vs Evapo-Rust?

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I hate Amazon. Bought Evopo Rust from Walmart, almost as bad.
Google is your friend. Lowes, Home Depot, Ace etc also list it.
If I get Evapo-Rust, it would be from the local HF that's 2 miles down the road. It's closer than everything but Autozone, O'reilly's, Advance, or the place I hate, ... NAPA. You would think they would carry Thermocure but only O'Reilly's carries it, ... if I want to order it from RENO!

Such a marketing fail, ... No auto parts stores carry Thermocure on their shelves which it's intended use is for a car.

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Old 11-07-2022, 10:27 AM   #9
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Default Re: Thermocure vs Evapo-Rust?

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If I get Evapo-Rust, it would be from the local HF that's 2 miles down the road. It's closer than everything but Autozone, O'reilly's, Advance, or the place I hate, ... NAPA. You would think they would carry Thermocure but only O'Reilly's carries it, ... if I want to order it from RENO!

Such a marketing fail, ... No auto parts stores carry Thermocure on their shelves which it's intended use is for a car.

Regards
Bill
Bill, we as a consumer (-at least in this country) have done this to ourselves. To provide the lowest prices possible, Retailers calculate exactly what shelf space costs to the square inch, and the ROI of that space must be there for them to be profitable. If it is not profitable to inventory it because it sells slowly, -or because the space requirements are too great, it is cheaper for them to have their trucks deliver it with a minimal quantity held at a central location vs. the quantity of inventory required to place a couple units at each store that the warehouse services.

As far as needing to inventory Thermocure, ...exactly how many vehicles do the majority of auto parts store's customers have that use an engine that does not have an aluminum head, and aluminum radiator, and an aluminum engine block? Very, very few, ...and of the ones that do have an engine with a cast iron engine block, that number is not that much greater. Since the aluminum is not going to rust, not much call for it!! Therefore, to get into the era of cast iron head(s) and block puts a vehicle back some 30+ years ago, and likely less than 1% of their customer base has a need for Thermocure. Again, the retail space cost is likely too great to get a ROI for most stores.
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Old 11-07-2022, 11:56 AM   #10
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Default Re: Thermocure vs Evapo-Rust?

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Originally Posted by BRENT in 10-uh-C View Post
Bill, we as a consumer (-at least in this country) have done this to ourselves. To provide the lowest prices possible, Retailers calculate exactly what shelf space costs to the square inch, and the ROI of that space must be there for them to be profitable. If it is not profitable to inventory it because it sells slowly, -or because the space requirements are too great, it is cheaper for them to have their trucks deliver it with a minimal quantity held at a central location vs. the quantity of inventory required to place a couple units at each store that the warehouse services.

As far as needing to inventory Thermocure, ...exactly how many vehicles do the majority of auto parts store's customers have that use an engine that does not have an aluminum head, and aluminum radiator, and an aluminum engine block? Very, very few, ...and of the ones that do have an engine with a cast iron engine block, that number is not that much greater. Since the aluminum is not going to rust, not much call for it!! Therefore, to get into the era of cast iron head(s) and block puts a vehicle back some 30+ years ago, and likely less than 1% of their customer base has a need for Thermocure. Again, the retail space cost is likely too great to get a ROI for most stores.
I understand your thought as I have been in the prototype fabrication business for nearly three decades, including consumer products. If it's not on a shelf, your cutting your own throat. There is always a spot on the floor or counter top, even if they display one jug at a time, much like how Morey's got started with their gear lube demo and a couple of bottles next to it.

In fact, it's so bad that for most consumer products, that if they cant get a spot on Wal-Mart's shelf, they will soon go under and if not, they will never grow beyond what they currently are. Every company I have ever fabricated for that was consumer related, it was highly stressed that Wal-Mart has to buy it, or the company will struggle. Worst part is, Wal-Mart is very demanding. They want twice what they pay for than any other potential outlet for the same price or less or your out. I've heard it from the Bentonville corporate office myself.

Still ton's of Iron blocks around here and everyone and their mothers auto parts store has ZDDP on their shelves.

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Bill
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Old 11-07-2022, 12:16 PM   #11
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Default Re: Thermocure vs Evapo-Rust?

I usually go to O'Reilly's online and see if the item I want is in stock. If not I order it and it appears at the store the next morning by 9am. Not ideal but I can count on getting it the next morning.

I understand why they don't keep low sellers on the shelf. How many people are going to walk in and ask for a 3X plug or in your case, Therocure?
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Old 11-07-2022, 12:30 PM   #12
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Default Re: Thermocure vs Evapo-Rust?

Cruise the aisles at Auto Zone or O’Reilys and it is evident what Brent was explaining about shelf space ROI. Lots of glitzy junk in my opinion.
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Old 11-07-2022, 12:34 PM   #13
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Default Re: Thermocure vs Evapo-Rust?

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I usually go to O'Reilly's online and see if the item I want is in stock. If not I order it and it appears at the store the next morning by 9am. Not ideal but I can count on getting it the next morning.

I understand why they don't keep low sellers on the shelf. How many people are going to walk in and ask for a 3X plug or in your case, Therocure?
The same amount of people buying ZZDP and old school anti-freeze, multiple versions of the 10SI Delco 12v single wire alternators which a ton of cars used sitting on everyone's shelf.

Anyhow, I just ordered from O'reilly's online and I can pick it up by 5:30 today from the same store that told me that if I order it, it will come from Reno, Nevada.

I'm not sure how that will work. According to Google map's, Reno is 430 miles away from the store where I will pick it up and within 8 hours.

Oh, I called CRC and they have no idea why it's not on the shelves. They sell to corporate suppliers and they do not know who to ask to find it in any particular area.


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Old 11-07-2022, 04:07 PM   #14
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Default Re: Thermocure vs Evapo-Rust?

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... and the ROI of that space must be there for them to be profitable.

Bill, please tell me, what means the letters "ROI"?


Thanks at advance
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Old 11-07-2022, 04:15 PM   #15
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Default Re: Thermocure vs Evapo-Rust?

Return On Investment
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Old 11-07-2022, 04:19 PM   #16
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Default Re: Thermocure vs Evapo-Rust?

ROI = return on investment

When the yuppies took over the place I worked, the parts department went from "serving the customer" to "serving the bottom line".
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Old 11-08-2022, 07:52 AM   #17
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Default Re: Thermocure vs Evapo-Rust?

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Bill, please tell me, what means the letters "ROI"?


Thanks at advance
That's a silly question if you had read post#10.

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Old 11-08-2022, 08:12 AM   #18
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Default Re: Thermocure vs Evapo-Rust?

I picked up my Thermocure from O'Reilly's at 7pm. ROI my ass. Two other items showed up with my order.

1) Thermocure (mine)
2) A 4" long bypass hose (not mine)
3) An axle dust cap (not mine)

That's everything that came from Reno to the store, only those three items. Everyone sells Thermocure for $30+ and I got it for 26.99 with NO shipping charges, only tax. Riddle me this, ... if you think ROI had anything to do with this, at what point of the sale did they make a profit when it all went to shipping a single bottle from 430 miles away? If they DID make a profit after shipping, don't you think it's worth having a 6 quarts in the store? It's cheaper to ship 6 at a time instead of singles which would only add to their coffers.

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Old 11-08-2022, 09:10 AM   #19
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Default Re: Thermocure vs Evapo-Rust?

So I take it Thermocure by Evapo-Rust is the best cooling system flush treatment this forum has used?
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Old 11-08-2022, 05:01 PM   #20
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Default Re: Thermocure vs Evapo-Rust?

I use vinegar and heat up the engine good. yes Im cheap...............


no problem with getting vinegar anywhere.
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Old 11-09-2022, 11:24 AM   #21
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Default Re: Thermocure vs Evapo-Rust?

Regular or pickling vinegar?
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Old 11-09-2022, 01:21 PM   #22
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just the reg 4% stuff.


did a great job on my 30 roadster and also my 12 Buick.
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Old 11-09-2022, 01:25 PM   #23
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Default Re: Thermocure vs Evapo-Rust?

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just the reg 4% stuff.


did a great job on my 30 roadster and also my 12 Buick.
Do you run it straight? 3ish gallons? Or diluted.
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Old 11-10-2022, 10:50 AM   #24
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Default Re: Thermocure vs Evapo-Rust?

Well, looks like I missed my optimum opportunity as far as the weather goes. I added the Thermocure and wouldn't you know it, the temps from here on out, are below freezing at night so now I have to drain it every night into 1 gallon jugs, only to pour it back in the next day.

After being in the car for 6 hours and driving it for 15 miles, the water went from being clear to a translucent grey.

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Old 11-10-2022, 11:53 AM   #25
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Default Re: Thermocure vs Evapo-Rust?

I used RUST 911. Drove the car for a day and drained it. The water had turned black. Refilled with more RUST 911 and drove it fro another day. This time the water was light gray. Repeat procedure for third day and it drained crystal clear. Looking into water jackets and radiator everything was clean as a whistle without a speck of rust anywhere. I refilled the system with Evans Waterless Coolant. No Water = No Rust. I buy both from Amazon.com
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Old 11-10-2022, 01:19 PM   #26
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I run it straight. 15 minutes at a time and do that several times.......


let it stay in 4- 6 weeks. drain, rinse and then antifreeze.
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Old 11-12-2022, 10:40 PM   #27
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Default Re: Thermocure vs Evapo-Rust?

Industrial vinegar is 30% and good value
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Old 11-13-2022, 05:58 AM   #28
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if running industrial vinegar, then much shorter "cure" period. otherwise everything will be destroyed.
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Old 11-13-2022, 06:52 AM   #29
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While I have not done it I am sure you can dilute 30% to slow the process.
I tried molasses and besides strong odor it takes a long time to clear rust.
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Old 11-13-2022, 11:22 AM   #30
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Default Re: Thermocure vs Evapo-Rust?

Quote:
After being in the car for 6 hours and driving it for 15 miles,
That works out to 2.5 MPH, you sure are a slow driver.
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