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-   -   MCW5000 corrosion? (http://forums.procooling.com/vbb/showthread.php?t=12276)

greenman100 10-12-2005 10:09 AM

MCW5000 corrosion?
 
So, the MCW 5000's are alu/cu mix?

How badly do these corrode?

nikhsub1 10-12-2005 11:23 AM

Depends greenman, as you already know. What mixture of coolant used, how well or not the top is anodized etc. It will happen, just a matter of time. If I were to run that block, I would use at least a 25% ratio of AF to water, perhaps slightly more.

greenman100 10-12-2005 11:58 AM

Quote:

Originally Posted by nikhsub1
Depends greenman, as you already know. What mixture of coolant used, how well or not the top is anodized etc. It will happen, just a matter of time. If I were to run that block, I would use at least a 25% ratio of AF to water, perhaps slightly more.



That I know.

The tops are Type 2 anodized.

my question is more towards the quality of anodization

nikhsub1 10-12-2005 12:08 PM

Type 2 is still fairly vulnerable, as seen by many corrosion issues of such anodization type. Any tiny spot that is not covered or gets nicked will be a problem.

Aronj66 10-12-2005 12:26 PM

I had one in use for a few years.. when I took it off, all the anodizing was gone from the inside and it was pretty bad. at the time I had been running Royal purple Ice and water. The block probably would have been fine if I had used a stronger mix, or AF instead like I do now, and changed the coolant/checked PH at some interval. Now adays I change hardware so often that the coolant is never in use for more than a few months rather than years. I have another 5000 block and will probably use it in my next pc.

AngryAlpaca 10-12-2005 05:24 PM

From what I've heard the quality on the anodizing of the MCW5000 was quite good, but, inevitably, it will fail anyhow.

greenman100 10-12-2005 05:52 PM

http://forums.procooling.com/vbb/showthread.php?t=12261


ohhhh mannnnn, I just paid for that before I realized they're Alu


this is what I get for being out of thew OCing loop for so long

can I blame it on my permaban from OCForums?

nikhsub1 10-12-2005 05:57 PM

Quote:

Originally Posted by greenman100
http://forums.procooling.com/vbb/showthread.php?t=12261


ohhhh mannnnn, I just paid for that before I realized they're Alu


this is what I get for being out of thew OCing loop for so long

can I blame it on my permaban from OCForums?

Dude for $75 run it til it dies :D Seriously, just use 30% anti-freeze and call it a day.

dogbait 10-12-2005 06:47 PM

I've been using the MCW-5000 blocks (on Xeon's incidentally) for two years now with no sign of trouble. Using anti-freeze in a 20% concentration. Just use some good quality anti-freeze designed for Aluminium engines and you'll be fine.

Aronj66 10-12-2005 07:14 PM

They are good blocks, and like everyone said.. with the propper mix it should last a good long time, and if it does go south, just make your own top and continue on. only reason I didn't put mine back was because I had a DD RBX to try.

greenman100 10-12-2005 07:28 PM

Quote:

Originally Posted by nikhsub1
Dude for $75 run it til it dies :D Seriously, just use 30% anti-freeze and call it a day.

yeah, that's my thought process. oh well, we'll see what happens.

flacowboy 10-21-2005 10:19 PM

have run mine for two years and not a sign of corrosion

BillA 10-22-2005 10:58 AM

do not even leak test with tap water, very aggressive stuff
always have an inhibitor and all is cool


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