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Anyone ever try...Dirtbike Radiator?

1026 Views 17 Replies 11 Participants Last post by  HellyHans
2
Hey guys... I was wondering if anyone ever tried a motorcycle radiator on their setup?

I have 2 rads laying around that are a little warped, but don't leak.
And never put them back on my bike..
they look like this...

Opinions???



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the look like aluminum. will probably work great, but i recommend you only use koolance waterblocks and coolant to prevent corrosion.

unless you can confirm the tubes are brass, and just plated on the outside, and the endtanks are either brass or stainless steel.
Aluminum is bad. (assuming you'll not have an all aluminum loop) I am the parts manager for a motorcycle dealer and have seen all soets of rads and coolers. Some look cool, but 98% of them are aluminum.
its not *bad* if they are aluminum, it just means you're limited to koolance gear if you dont want corrosion.
Quote:

Originally Posted by ChielScape View Post
its not *bad* if they are aluminum, it just means you're limited to koolance gear if you dont want corrosion.
Older Koolance products and any nickel plated products...
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ok whats the deal with all this aluminum and brass stuff..
My fridge has a aluminum rad and brass tubing and its not corroded.

My car has an aluminum rad and a brass CAP and it s not corroded.. did anyone here ever had a corroded system loop?
I'm wondering this because I'm reading a lot (maybe too much, lol ) and I see a lot people giving up one thing because its not brass or vice-versa.

anybody can clear things up a bit?

It also depends on what kind of coolant i'm going to use no?

my guess is it would take years to corrode a loop so it can't function anymore, if you flush once a year or i dunno.. maybe it doesn't matter.. it might help
This guy here tried a small car radiator, but oddly enough he didnt get all that great of results.

Quote:

Originally Posted by dexter View Post
This guy here tried a small car radiator, but oddly enough he didnt get all that great of results.

http://www.youtube.com/watch?v=dAgz3dPTOOc
You'd surprised over how many use old Bonneville radiators, and get much better results than most commercial rads.
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Those rads look pretty nice..those 2 in series would perform pretty nicely im betting..But yea if they are Alu you are pretty much limited to Koolance..not that its a bad thing.
Quote:

Originally Posted by ChielScape View Post
its not *bad* if they are aluminum, it just means you're limited to koolance gear if you dont want corrosion.
Sorry, in my mind Koolance=Aluminum=bad. I only mean bad in the traditiona sense of PC watercooling being copper based.

As stated, mixing dissimilar metals is a bad idea. the main reason your car (and other things) can do this is they use chemicals and additives in the coolants to prevent this.
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Quote:


Originally Posted by HellyHans
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ok whats the deal with all this aluminum and brass stuff..
My fridge has a aluminum rad and brass tubing and its not corroded.

My car has an aluminum rad and a brass CAP and it s not corroded.. did anyone here ever had a corroded system loop?
I'm wondering this because I'm reading a lot (maybe too much, lol ) and I see a lot people giving up one thing because its not brass or vice-versa.

anybody can clear things up a bit?

It also depends on what kind of coolant i'm going to use no?

my guess is it would take years to corrode a loop so it can't function anymore, if you flush once a year or i dunno.. maybe it doesn't matter.. it might help

have you ever seen a corroded cylinder head. looks nasty. the brass and copper are anodes and alum is a cathode. the alum atoms transfer to the copper coating it

i may have that backwards im not sure
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yup already took apart a lot of heads.. and yeah.. the walls do have a rust color... BUT.. a car actually runs a lot more than a PC would.
That's not the point though.. I was just wondering this because. I don't think you would corrode your system to such a point that you'll bust a leak.
And concerning the additives/coolant.. Why wouldn't we put that in our loops then?
Would it damage the pump? I don't think so, the materials in the pump should be able to tackle it.

I'm going to be building my H2o system within the month.. so I'll keep you guys updated.
Steel braided and all.. It should be pretty slick.
The absolute best coolant is distilled water. Adding anything, including coolant/additives, reduces the efficacy of the distilled water while removing the potential for corrosion. However, the reduction, in my experience, is minimal enough to legitimize using your aluminum dirt bike rads (considering they are free.)
Quote:


Originally Posted by HellyHans
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yup already took apart a lot of heads.. and yeah.. the walls do have a rust color... BUT.. a car actually runs a lot more than a PC would.
That's not the point though.. I was just wondering this because. I don't think you would corrode your system to such a point that you'll bust a leak.
And concerning the additives/coolant.. Why wouldn't we put that in our loops then?
Would it damage the pump? I don't think so, the materials in the pump should be able to tackle it.

I'm going to be building my H2o system within the month.. so I'll keep you guys updated.
Steel braided and all.. It should be pretty slick.

Im not gonna look up the countless threads where people did the mixing thing then posted pics of the results. Even with running coolant which isnt as good for your temps.

Yeah sure you may not spring a leak right away, but leave your loop running for a couple of weeks and youll probably increase your temps by atleast 10c (estimate). The insides of the block will be coated with corrosion and it will destroy your heat transfer.

Im all for trying new stuff to increase performance and what not but this is more of a common occurance in all water systems both for cooling and non cooling.
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Quote:

Originally Posted by dralb View Post
Sorry, in my mind Koolance=Aluminum=bad. I only mean bad in the traditiona sense of PC watercooling being copper based
first of all, koolance =/= aluminum, they got rid of most of it these days. second, aluminum =/= (necessarily) bad. only mixing it with naked copper is bad, i hope that's what you mean.
if those 2 rads are aluminum, he should just get some koolance blocks, like the CPU-345, and he'll be just fine.

Quote:

Originally Posted by DuckieHo View Post
Older Koolance products and any nickel plated products...
and newer koolance products arent nickle plated?
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3
Quote:

Originally Posted by ChielScape View Post
and newer koolance products arent nickle plated?

Didn't say it was mutually exclusive.
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Well thanks for all your help guys/girls..
What I think I'm going to do is actually keep these rads for my bike since they cost about 300$each.. lol and if I break one on my bike this summer.. I'm not going to want to take apart my loop. LOL
So I'll be going with a top-mounted triple rad for my system.
I'm gonna start another thread concerning the build and you people can take part on it and suggest some ideas,recommend some stuff and what not.

Thanks for your ideas and help.
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