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Where to place Zinc Anode in cooling system? #579758
01/11/10 05:59 PM
01/11/10 05:59 PM
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Athens, Greece
Pyper70 Offline OP
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I am going to upgrade the heads here pretty soon and I am looking for the optimal spot to put the Zinc Anode. I talked to Edelbrock today and he suggested the water pump for optimal efficiency. My problem is that there are three ports on the housing. The one is for the Temp sensor on my Autometer and the remaining two go to my Heater core. Where else can I place the Anode?



Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s
Re: Where to place Zinc Anode in cooling system? [Re: Pyper70] #579759
01/11/10 07:24 PM
01/11/10 07:24 PM
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gtx69 Offline
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They have the ones that hang off the radiator cap.Mine i had a bung put in my radiator.Easier to just hang one off the cap inside the rad

Re: Where to place Zinc Anode in cooling system? [Re: gtx69] #579760
01/11/10 07:53 PM
01/11/10 07:53 PM
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Florida
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scratchnfotraction Offline
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maybe a tee on a heater hose outlet/inlet?

Re: Where to place Zinc Anode in cooling system? [Re: Pyper70] #579761
01/11/10 09:52 PM
01/11/10 09:52 PM
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1_WILD_RT Offline
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How about on the other side of te water pump where it is drilled & tapped 1/8 NPT for another sending unit? They sell zincs with that thread...

http://www.boatzincs.com/engine.html

Re: Where to place Zinc Anode in cooling system? [Re: 1_WILD_RT] #579762
01/12/10 01:00 AM
01/12/10 01:00 AM
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Andrewh Offline
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EH, just toss it in the engine block. one of the coolant plugs.

Re: Where to place Zinc Anode in cooling system? [Re: Pyper70] #579763
01/12/10 01:17 AM
01/12/10 01:17 AM
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Norwalk, Ohio
sycboi Offline
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1) Drill and tap a new hole in the housing...

2) Add a section of tubing in radiator hose with a bung welded in it...

3) Install a weld bung in your radiator tank...

I did both 2 and 3 to my car...

-Michael


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Re: Where to place Zinc Anode in cooling system? [Re: 1_WILD_RT] #579764
01/12/10 04:49 PM
01/12/10 04:49 PM
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Athens, Greece
Pyper70 Offline OP
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Quote:

How about on the other side of te water pump where it is drilled & tapped 1/8 NPT for another sending unit? They sell zincs with that thread...

http://www.boatzincs.com/engine.html




Well...The drilling of the radiator and welding of a bung isnt an option. I don't know any skilled people around here that can braze especially untrusting since its an original radiator with 4 cores.

The sleeve with an anode welded inside is an idea. I can slip in a stainless sleeve inside the upper radiator hose and have the anode welded in vertically. Do I need to have some sort of wire coming off the stainless sleeve and grounding to the radiator?

The picture I used was an aluminum housing, its all I could find. Mine is the cast iron housing and the 1/8 NPT thread isnt available, however I can drill and tap the existing waterpump to accept the anode. I do have a spare aluminum housing/pump with that port available but I dont have any orange paint to blast it and match the motor (overseas and they dont sell that particular color here)

Thanks for the link 1Wild I am gonna order the 1/8" from there...Summit wants 19 bucks for it


Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s
Re: Where to place Zinc Anode in cooling system? [Re: Pyper70] #579765
01/12/10 05:32 PM
01/12/10 05:32 PM
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North Riverside IL & Lowell IN
GTXKen Offline
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Does anyone know what are the sizes of the heater hose ports on the WP are? I don't run a WP and can put an anode there.

Re: Where to place Zinc Anode in cooling system? [Re: GTXKen] #579766
01/12/10 05:40 PM
01/12/10 05:40 PM
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Lincoln Nebraska
RapidRobert Offline
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3/8 npt I think & check that the anode location you choose is not restricting flow in a critical area


live every 24 hour block of time like it's your last day on earth
Re: Where to place Zinc Anode in cooling system? [Re: RapidRobert] #579767
01/12/10 05:46 PM
01/12/10 05:46 PM
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North Riverside IL & Lowell IN
GTXKen Offline
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Thanks

Re: Where to place Zinc Anode in cooling system? [Re: GTXKen] #579768
01/12/10 05:55 PM
01/12/10 05:55 PM
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North Austin
KnuckleDuster Offline
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I bought one that screwed right in the radiator drain instead of the petcock.I had to trim it,it was about 3/4" too long,but mine's an a-body 22"

$12 from J.C Whitney,only thing I ever bought from them.

Re: Where to place Zinc Anode in cooling system? [Re: Pyper70] #579769
01/12/10 08:10 PM
01/12/10 08:10 PM
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Prospect, PA
BSB67 Offline
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Quote:

Do I need to have some sort of wire coming off the stainless sleeve and grounding to the radiator?




The anode needs to be grounded to whatever it is you are trying to protect. An anode in the radiator will not protect the heads

Re: Where to place Zinc Anode in cooling system? [Re: BSB67] #579770
01/12/10 10:40 PM
01/12/10 10:40 PM
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Annapolis, MD, USA
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Vert Offline
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Quote:

Quote:

Do I need to have some sort of wire coming off the stainless sleeve and grounding to the radiator?




The anode needs to be grounded to whatever it is you are trying to protect. An anode in the radiator will not protect the heads




I have several sacrificial zincs in a marine engine. They are screwed into the system they are protecting. No wires. But close does count. Any zinc helps protect against electrolytic erosion as does using proper antifreeze. Zinc is less noble than aluminum. It will erode first.

Re: Where to place Zinc Anode in cooling system? [Re: Vert] #579771
01/12/10 10:50 PM
01/12/10 10:50 PM
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Prospect, PA
BSB67 Offline
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Quote:

They are screwed into the system they are protecting.




So they are grounded

Re: Where to place Zinc Anode in cooling system? [Re: BSB67] #579772
01/12/10 11:25 PM
01/12/10 11:25 PM
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Since the cooling fluid (water or coolant) is, I believe, in constant presence in the radiator & engine, why would it matter where the anode is, as long as it's submerged in the fluid? Is there a distance from the heads to the anode beyond which the anode becomes ineffective?
In my case (race 340) the radiator, water pump, intake & heads are aluminum; the only iron in the system is the block itself, which is half-filled with HardBlok.
I'm thinking that when the car's sitting, I can just hang the anode down into the radiator, submerged in the water. I use WaterWetter and a small amount of Prestone in the system.

Re: Where to place Zinc Anode in cooling system? [Re: BSB67] #579773
01/12/10 11:28 PM
01/12/10 11:28 PM
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PA
Moparzrule Offline
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Re: Where to place Zinc Anode in cooling system? [Re: Moparzrule] #579774
01/12/10 11:29 PM
01/12/10 11:29 PM
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PA
Moparzrule Offline
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Re: Where to place Zinc Anode in cooling system? [Re: Moparzrule] #579775
01/13/10 01:08 AM
01/13/10 01:08 AM
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New Zealand
nz383man Offline
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At the risk of sounding thick, why do you need to go to the trouble of fitting zinc annodes, is that not what the corrosion inhibitor is in the coolant for?
My understanding is keep the inhibitor in your system up to spec (we need antifreeze as well) & you don't get any corrosion.

Re: Where to place Zinc Anode in cooling system? [Re: nz383man] #579776
01/13/10 01:45 AM
01/13/10 01:45 AM
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Because while coolant is supposed to protect against corosion there have been enough failures & the anodes are cheap enough why not use the protection they provide...

Re: Where to place Zinc Anode in cooling system? [Re: 1_WILD_RT] #579777
01/13/10 02:24 AM
01/13/10 02:24 AM
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New Zealand
nz383man Offline
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So when any alloy part is introduced to the cooling system like heads, radiator, waterpump, etc, a zinc annode should be fitted?

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