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Well that was very helpful and well explained. What a nice job you did on the fabrication of the coolant lines and the overall build. First class all the way.
I'm ground up on a build. Noticed 190 thermostat opens, trivial coolant flow, however, without an expansion tank and a static overfill tank involved my core Temps climb and spew coolant on the ground. I could better utilize a few liters in hotter climates. In 60*F and below OAT the engine performs well. Bottom line heat is an issue. Thanks for the course!
Excellent video. Just spent a while researching expansion and overflow tanks to fully understand them for a custom project I'm working on. Your video was one of the best explanations I have seen. Checked out some of your other videos and your channel looks awesome. I subbed and turned on notifications.
You have no idea how much you have just helped me solve my Coolant issue. Not because of plumbing or the meaning of the tanks even though i did learn a little here, but the brand that you use has exactly what i need. Thanks Shane!!!
Having both is ok too, that means the coolant/water is flooded around the radiator cap so that the line from the expansion tank to the overflow tank is always primed ready
Totally agree. There could be several other strengthening actions for the functionality of a car, but, adding these two tanks is totally an overdesign action (unless it is mentioned here just two show two design concepts). The most important point is the coolant system components being efficient and high-quality products. Secondary degas tank is rather unnecessary from this perspective.
I purchased a BeCool radiator. The radiator cape is located at a 45 degree angle on the side at the top. This allows air to be trapped in the top 1 inch of the radiator. This does not seem correct, and my truck runs hot and tents to over heat. I believe there is air in the system that I can not get out. How would you solve this problem? Kirk
So 2 stupid questions and I know this video is a couple years old but I’m hoping for an answer. 1 Wouldn’t you be fine without a recovery tank ? 2 If your recovery tank has air in it and the bottom of that tank feeds back into your system wouldn’t it just put air in the system?
Very good and helpful info I will be buying a canton expansion tank this week. My question is what radiator cap do I use on the radiator does it need to be at a higher rating than the expansion tank?
I love that you LS swapped a Mustang. I have absolutely nothing against the Coyote engine or Ford in general, but I ADORE the butthurt from the loyalists that bawl their eyes out at using a different manufacturer's powerplant in a rig. I'd be just as happy if you Coyote swapped a Camaro.
Thanks for the this awesome video, excellent explanation but i have a question, in some cars bottom hose of the expansion tank connects to the heater hose but in your setup it connects to bottom hose of radiator why did you do like that ?
Can u run only a recovery tank from the top of the radiator so when it expans it goes straight into the recovry tank and when it cools down it goes back into the radiator
So with my setup I have the radiator capped off like you and but I have the vent port capped as well. In the upper hose I have a swirl pot that the coolant runs through before returning to the radiator, and an overflow attached to that. If the swirl pot is my highest point and it has a lower pressure cap than the radiator, so I still need to have the radiator vent port plumbed somewhere?
my question is, do you fill up from the blank radiator cap or the expansion tank? when you bleed are you bleeding from the radiator or the expansion since the expansion is the highest point. Does the expansion tank need to have a certain amount of fluid in when when bleeding? or do you fill until the radiator is full.
Do everything from the expansion tank, and only fill it about half way (leaves room for expansion). All the air in the radiator/system will bleed up and swirl in the tank from the top line, completely filling the system with no air pockets.
First time I have seen someone explain this to the public, but I have not looked for it. Please note for the viewers that coolant is a mixture of anti-freeze and water. Antifreeze does not affect the boiling point of water, otherwise it would be called Anti-boil. The pressure cap, also called a radiator cap, is just that, a pressure cap that changes the boiling point of coolant by 2 1/4 degrees per pound of rating. Using your example of a pressure cap with a rating of up to 25 lbs. will add 56.25 degrees of temp to 212 boiling point, that equal 268.25 degrees F. So, boys & girls, this is why you do not open a pressure cap on a hot engine. You will loose skin. I have seen it once at a car wash because the dude open the hood, and twist the cap off! Look like a volcano! I yelled but too far away and could not watch. BAD! Retired ASE Master Tech.
Antifreeze actually does effect the boiling point of water. Water boils itself at 212F where pure ethylene glycol boils at about 390F. But it’s not a linear increase in boiling point, it’s exponential. So at atmospheric pressure the boiling point of a 50/50 mix is only increased to about 230deg.
@@Shane_Whalley the lower specific heat capacity of Glycol is the main concern, Reverse osmosis water with No-Rosion is the best summer 'coolant' you can use. Just add Anti freeze in winter!
@@ryanp6138 this just raises more questions for me. The term antifreeze isn't used worldwide, here for example it's simply coolant. Which usually refers to the concentrate, but can also apply to any correctly mixed product which includes anti-freeze and anti-boil properties. And coolants vary in their properties and colours of course. But generally speaking when you (or anyone) mention antifreeze, are you simply substituting the word coolant ?
What I really like about this build is that you used the rubber hose exactly the way it's supposed to be used, as an isolator between hardlines. I've seen similar builds which used rubber the whole way back because it's easier to route. Might as well use garden hose.
I put a twist on cap on my radiator to make filling faster, but you will always want to do the final fill and bleed it from the expansion tank, as it will be the highest point in the system.
Hi are those pushlock lines you ran on your coolant lines? My overflow tank and piece coming off the radiator for overflow is not threaded how did you manage to thread them?
You got it somewhat wrong. You should plumb the expansion tank into the suction side of the system ie upstream of the water pump. Also I couldn’t see how you’ve got the top of the radiator connected to the ET. But it can’t work properly if it’s on the filler neck with a spring controlled valve. Connection to the top of the rad is ok but not needed since the expansion tank is the high point now. Air will go to the high point.
No - doesn’t work like that mate - the only air you get is if there is a leak in the system or you are filling up - the cap is the highest point so air will find its way out
The expansion tank acts as a sort of buffer between the radiator and the atmosphere. The relatively small lines between the expansion tank and the radiator mean when the cap opens to vent the pressure it isn't going to cause a dip in pressure inside the radiator or engine. And by having the expansion tank higher than the radiator you reduce the odds of getting air into the radiator if the overflow tank is low on coolant, the air will be trapped in the expansion tank. OEMs use just the recovery tank because that's good enough for general use and it's cheaper than using two tanks. But two tanks gives you that extra margin of safety for performance-oriented vehicles.
Surge tank is the same as an expansion tank. A swirl pot is similar to an expansion tank but spins the coolant by running the rad hose feed inline to a cylinder on an angle “swirling” the coolant. I haven’t seen much benefit to the swirl pots when I used them. Supposedly the help remove air, but I didn’t seem to notice a difference for the extra clutter of installing one.
Coolant "Catch Can". Coolant 'Recovery Tank", Coolant "Surge Tank", Coolant "Overflow Tank", Coolant "Reservoir Tank". Now explain what a "surge" tank is! Good luck!
Thank you so much I was confused I thought they were all the same but because of your video I know better I found really cool combo expansion/recovery tanks @cantonracingproducts
Well that was very helpful and well explained. What a nice job you did on the fabrication of the coolant lines and the overall build. First class all the way.
Super helpful. Setuping up my rear mount setup like yours now. Thanks brotha
I'm ground up on a build. Noticed 190 thermostat opens, trivial coolant flow, however, without an expansion tank and a static overfill tank involved my core Temps climb and spew coolant on the ground. I could better utilize a few liters in hotter climates. In 60*F and below OAT the engine performs well. Bottom line heat is an issue. Thanks for the course!
Best explanation on line!
Good job on the video man, very interesting setup on that thing!
Thank you.
Great video. Covered it all. Will use this info for my race car
You mean your smart car?
Excellent video. Just spent a while researching expansion and overflow tanks to fully understand them for a custom project I'm working on. Your video was one of the best explanations I have seen.
Checked out some of your other videos and your channel looks awesome. I subbed and turned on notifications.
Custom project?
You have no idea how much you have just helped me solve my Coolant issue. Not because of plumbing or the meaning of the tanks even though i did learn a little here, but the brand that you use has exactly what i need. Thanks Shane!!!
Hey Shane, Why are there two ports on the top of the recovery tank? Are they both vents? Thanks
Thank you for such an excellent explanation.
No point in having both. Just get the expansion and you'll be okay. This guy just likes having stainless steel wherever he can.
Having both is ok too, that means the coolant/water is flooded around the radiator cap so that the line from the expansion tank to the overflow tank is always primed ready
A liltle too cautious I suspect
Umm, those tanks are aluminum, not stainless steel.
Totally agree. There could be several other strengthening actions for the functionality of a car, but, adding these two tanks is totally an overdesign action (unless it is mentioned here just two show two design concepts). The most important point is the coolant system components being efficient and high-quality products. Secondary degas tank is rather unnecessary from this perspective.
Hey, I learned something. Thanks for sharing the knowledge.
I purchased a BeCool radiator. The radiator cape is located at a 45 degree angle on the side at the top. This allows air to be trapped in the top 1 inch of the radiator. This does not seem correct, and my truck runs hot and tents to over heat. I believe there is air in the system that I can not get out. How would you solve this problem?
Kirk
Great video, I could see how this could help in a turbo car that runs on the blazing side of toasty.
Great explanation man appreciate it👍👍👍
So 2 stupid questions and I know this video is a couple years old but I’m hoping for an answer.
1 Wouldn’t you be fine without a recovery tank ?
2 If your recovery tank has air in it and the bottom of that tank feeds back into your system wouldn’t it just put air in the system?
Good explanation👍 is there valve in your radiator cap or is it sealed and nonvalve cap?
Great. Thanx for that. Now I understand.
Very good and helpful info I will be buying a canton expansion tank this week. My question is what radiator cap do I use on the radiator does it need to be at a higher rating than the expansion tank?
I love that you LS swapped a Mustang. I have absolutely nothing against the Coyote engine or Ford in general, but I ADORE the butthurt from the loyalists that bawl their eyes out at using a different manufacturer's powerplant in a rig. I'd be just as happy if you Coyote swapped a Camaro.
To be honest I have nothing against the coyote either. Built the car with the parts I had and what made the build most financially possible.
My Be Cool Radiator has a Purge Tank that drains overflow to ground below.
Thanks for the info. Very helpful.
If you have some time I'd like to pick your brain on some more info on setting up a ls cooling setup to maximize the efficiency .
Hell yeah awesome system
How do you vent the recovery tank on top do you connect the lines to something?
Hello. How much height above the radiator on the expansion tank?
Very helpful. Thank you.
Thanks for the this awesome video, excellent explanation but i have a question, in some cars bottom hose of the expansion tank connects to the heater hose but in your setup it connects to bottom hose of radiator why did you do like that ?
he likely doesn't run a heater.
Can u run only a recovery tank from the top of the radiator so when it expans it goes straight into the recovry tank and when it cools down it goes back into the radiator
Yes, lots do.
So with my setup I have the radiator capped off like you and but I have the vent port capped as well. In the upper hose I have a swirl pot that the coolant runs through before returning to the radiator, and an overflow attached to that. If the swirl pot is my highest point and it has a lower pressure cap than the radiator, so I still need to have the radiator vent port plumbed somewhere?
Awesome video! Made me subscribe
my question is, do you fill up from the blank radiator cap or the expansion tank? when you bleed are you bleeding from the radiator or the expansion since the expansion is the highest point. Does the expansion tank need to have a certain amount of fluid in when when bleeding? or do you fill until the radiator is full.
Do everything from the expansion tank, and only fill it about half way (leaves room for expansion). All the air in the radiator/system will bleed up and swirl in the tank from the top line, completely filling the system with no air pockets.
First time I have seen someone explain this to the public, but I have not looked for it. Please note for the viewers that coolant is a mixture of anti-freeze and water. Antifreeze does not affect the boiling point of water, otherwise it would be called Anti-boil. The pressure cap, also called a radiator cap, is just that, a pressure cap that changes the boiling point of coolant by 2 1/4 degrees per pound of rating. Using your example of a pressure cap with a rating of up to 25 lbs. will add 56.25 degrees of temp to 212 boiling point, that equal 268.25 degrees F. So, boys & girls, this is why you do not open a pressure cap on a hot engine. You will loose skin. I have seen it once at a car wash because the dude open the hood, and twist the cap off! Look like a volcano! I yelled but too far away and could not watch. BAD! Retired ASE Master Tech.
Antifreeze actually does effect the boiling point of water. Water boils itself at 212F where pure ethylene glycol boils at about 390F. But it’s not a linear increase in boiling point, it’s exponential. So at atmospheric pressure the boiling point of a 50/50 mix is only increased to about 230deg.
@@Shane_Whalley the lower specific heat capacity of Glycol is the main concern, Reverse osmosis water with No-Rosion is the best summer 'coolant' you can use. Just add Anti freeze in winter!
@@ryanp6138 this just raises more questions for me. The term antifreeze isn't used worldwide, here for example it's simply coolant. Which usually refers to the concentrate, but can also apply to any correctly mixed product which includes anti-freeze and anti-boil properties. And coolants vary in their properties and colours of course. But generally speaking when you (or anyone) mention antifreeze, are you simply substituting the word coolant ?
Soooo helpful thanks dude your awesome!
Where did you get the radiator cap
What I really like about this build is that you used the rubber hose exactly the way it's supposed to be used, as an isolator between hardlines. I've seen similar builds which used rubber the whole way back because it's easier to route. Might as well use garden hose.
One question, do the fill the system through the expansion tank or does this system require you to fill through the rad cap. Appreciate the insight!
I put a twist on cap on my radiator to make filling faster, but you will always want to do the final fill and bleed it from the expansion tank, as it will be the highest point in the system.
Hi are those pushlock lines you ran on your coolant lines? My overflow tank and piece coming off the radiator for overflow is not threaded how did you manage to thread them?
cut it off and weld on a threaded piece.
what is the civic 1995?
BRAZIL!
That doesn't make any sense thats what one coolant tank does, then when it cools it suck coolant back into the radiator, no need for both,
You got it somewhat wrong. You should plumb the expansion tank into the suction side of the system ie upstream of the water pump. Also I couldn’t see how you’ve got the top of the radiator connected to the ET. But it can’t work properly if it’s on the filler neck with a spring controlled valve. Connection to the top of the rad is ok but not needed since the expansion tank is the high point now. Air will go to the high point.
how expansion tank reduce coolant temperature ? coz coolant will not flow through radiator and flow from top to bottom hose right?
What about tanks that fill from top and syfin back up back to radiator?
So my radiator works like an expansion tank
Subbed, perfect explanation and easy to follow, thanks (Y)
Usually
Hi! I just have one question!
If i just take off the radiator cap, can air get inside the cooling system?
No - doesn’t work like that mate - the only air you get is if there is a leak in the system or you are filling up - the cap is the highest point so air will find its way out
I have a 1970 chevy nova that I will be putting in a ls 6.0 would you guys recommend getting this setup or is this more of a race setup1
I’d recommend it for any swap really. Adds simplicity for the cooling system for sure.
@@Shane_Whalley ok thank you
Question won’t the recovery tank work as an expansion tank as well? Why 2 tanks?
The expansion tank acts as a sort of buffer between the radiator and the atmosphere. The relatively small lines between the expansion tank and the radiator mean when the cap opens to vent the pressure it isn't going to cause a dip in pressure inside the radiator or engine. And by having the expansion tank higher than the radiator you reduce the odds of getting air into the radiator if the overflow tank is low on coolant, the air will be trapped in the expansion tank. OEMs use just the recovery tank because that's good enough for general use and it's cheaper than using two tanks. But two tanks gives you that extra margin of safety for performance-oriented vehicles.
Hi, should my overflow cap be sealed or open to air? Im a little confused thanks. 👍
Overflow/ recovery should be vented to equalize with atmospheric pressure.
Shane Whalley ok got it thanks 👍
So..... wtf is a Surge tank? Or a swirl tank?
Surge tank is the same as an expansion tank. A swirl pot is similar to an expansion tank but spins the coolant by running the rad hose feed inline to a cylinder on an angle “swirling” the coolant. I haven’t seen much benefit to the swirl pots when I used them. Supposedly the help remove air, but I didn’t seem to notice a difference for the extra clutter of installing one.
I maintain the coolant level till max but I see it overflowing once the car gets heated
Can’t you have 2 valve caps in the system! 1 in the rad and 1 in the catch can❓
I did that in my old system and it caused all kinds of issues with pressure differentials in the system, and adding multiple points of failure.
So.. how about a firewall video
Interesting
I send me link for expansion tank plz
Coolant "Catch Can". Coolant 'Recovery Tank", Coolant "Surge Tank", Coolant "Overflow Tank", Coolant "Reservoir Tank". Now explain what a "surge" tank is! Good luck!
cant hear
Damn bro why didn't you go with a different angle AN? That line looks kinked to shit
You
horrible sound
How do you burp the air thats in the line from the radiator to the overflow tank?
Thank you so much I was confused I thought they were all the same but because of your video I know better I found really cool combo expansion/recovery tanks @cantonracingproducts