speedyxjs
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| posted on 1/11/08 at 09:05 PM |
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Plastic coolant pipe?
Would
this be ok to use in the coolant system?
Im just trying to act locost as normal.
How long can i resist the temptation to drop a V8 in?
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mark chandler
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| posted on 1/11/08 at 09:11 PM |
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I cannot say I have ever seen pipe that size used in hot applications under pressure.
Good old copper pipe for me I,m afraid.
When dealing with stuff like cooling its always better to spend a little more, very frustrating to go for a track day and pack in early because
something like this is not up to the job.
Regards Mark
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speedyxjs
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| posted on 1/11/08 at 09:13 PM |
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Ok cheers 
How long can i resist the temptation to drop a V8 in?
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thunderace
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 posted on 1/11/08 at 09:15 PM |
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look at this Item number: 290036058760
and this Item number: 130088711355
and you can put a lip on it with a tool from b&q there is a thread about it on this forum .the tool worked on this stainless tube i have tryed it.
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BenB
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| posted on 2/11/08 at 12:14 AM |
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One way of finding out 
I suspect it might not like it though it depends if its PVC or one of the other plastics. The coolant is going to be pretty hot and under pressure-
not a nice combination when quite a few plastics go a bit soft when heated.
Then again I got a datasheet for the 110mm waste pipe I'm using for my plenum chamber and that shows that 80degC and 10PSI isn't a
problem.... Not sure what pressure radiators run at???
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britishtrident
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| posted on 2/11/08 at 08:58 AM |
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Plastic central heating pipe will work -- I bought an Imp racer that had the front rad plumbed in with it. But it is working pretty near its limmit
and I don't know how long it would last in road car use.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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TOO BADD
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| posted on 2/11/08 at 11:57 AM |
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Def not. Used a higher quality for hose joiners and it as crap. Round ended up oval after a bit of heat, Ended up with ali.
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matt_claydon
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| posted on 2/11/08 at 12:20 PM |
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Several on here have used
this aluminium aerial pole from B&Q to
good effect, just so happens it's 32mm:
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MikeRJ
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| posted on 2/11/08 at 12:26 PM |
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Alloy tube isn't very expensive. I don't really trust the plastic stuff in houses let alone in something running at potentially over 100
degrses at 15PSI.
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whitestu
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| posted on 2/11/08 at 12:47 PM |
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I used high temp 32mm pipe on my CVH installation with no problems. It never overheated though so don't know how it would perform when really
hot.
Stu
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geoff shep
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| posted on 2/11/08 at 02:32 PM |
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I don't think the original suggestion would be any good - that looks like waste pipe. Pressure pipe for water suply or central heating should
be ok - its rated at 6 or 7 bar which is around 90psi. However any plastic pipe will potentially melt on contact with hot engine parts such as
exhaust manifolds etc.
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speedyxjs
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| posted on 2/11/08 at 03:43 PM |
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Ok cheers guys. The ali pole was suggested in a previous thread i posted but no B%Q's anywhere near me have it in stock 
I did see those henry extensions and was considering them but the plastic was cheaper 
How long can i resist the temptation to drop a V8 in?
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