| [ Total Views: 1415 | Total Replies: 13 | Thread Id: 96189 ] |
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 69satellite
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| posted on April 3rd, 2012 at 02:39 AM |
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Coolant hose ?
I've been lookine at what others have done. And it seems most people are running about 1.5in piping for the radiator lines. Is there a reason to use
such a large pipe? The vanagons only ran 5/8in hose. I was thining on running 5/8 marine hose with an adapter at the ends to mate to the motor and
radiator. I know the added benefit of running a metal pipe is the extra cooling you get just from the air rushing over it. But will the 5/8 hose work.
I'm looking at something like this. http://www.jamestowndistributors.com/userportal/show_product.do?pid=578&f...
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Joel
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| posted on April 3rd, 2012 at 07:05 AM |
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5/8" is only the heater hose, both Subaru and Vanagons use 1.5" for the main radiator lines, and really late Vanagons use 2" in plastic IIRC.
5/8" would not flow anywhere near enough coolant.
You can go abit smaller than 1.5", but I wouldn't get below 1 1/4"
The advantage of bigger stuff is it does give alot more coolant reserve.
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69satellite
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| posted on April 3rd, 2012 at 09:08 AM |
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ah. now that you say that. well guess I'm looking for some 1.5in pipe then. Wish i could find some stainless for cheap but will probably end up
runing fence top rail like alot of other guys have.
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Joel
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| posted on April 3rd, 2012 at 09:50 AM |
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That fencing pipe is pretty damn thick if it's anything like the stuff sold here.
Try going to a muffler shop, they wanted $5 a foot for 1.5" exhaust pipe when I priced it up a few years back and can bend it to whatever shape.
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ian.mezz
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| posted on April 3rd, 2012 at 12:49 PM |
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ian.mezz
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| posted on April 3rd, 2012 at 12:52 PM |
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69satellite
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| posted on April 3rd, 2012 at 01:06 PM |
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| Quote: | Originally
posted by Joel
That fencing pipe is pretty damn thick if it's anything like the stuff sold here.
Try going to a muffler shop, they wanted $5 a foot for 1.5" exhaust pipe when I priced it up a few years back and can bend it to whatever shape.
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Top rails are only like 17ga now. So its not really to thick.
ian.mezz setup looks thicker wall than what top rail is. what pipe is that? And what type of hangers are those?
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tweety
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| posted on April 3rd, 2012 at 01:11 PM |
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I wnet to an engineering firm in Shepparton. one and a quarter inch S/S pipe (about 2mm thick) two lengths 2 metres long with a 90degree bend about
50mm from one end. The bend allowed me to place it near the transaxle up towards my ea81 manifold then flex hoses to pump and thermostat housings.
$50
A tip. At the front of my trike I purchased 2x Datsun 200B lower radiator hoses. fits onto pipe perfectly and has 4 x 90 degree bends each hose
allowing you to have 4 bends if you need them, simply cut them off.
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69satellite
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| posted on April 5th, 2012 at 10:46 PM |
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Well i found a guy that works for a big rig shop and said he could get me 1.25in silicon hose. Think that would work?
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1303Steve
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| posted on April 6th, 2012 at 07:17 AM |
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| Quote: | Originally
posted by 69satellite
Well i found a guy that works for a big rig shop and said he could get me 1.25in silicon hose. Think that would work?
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Hi
You might have trouble mechanically mounting a long length of hose, it will get floppy once it heats up. I used 1.5 ship fuel hose on my 1st attempt,
it worked well but it had a very large OD.
I think you need to go 1.5 steel or stainless steel. One of the reasons so many of these conversions are successful is the added cooling from the
metal tubes running front to back.
tweety I bought some rubber 45 & 96 bends from my local parts shop made by http://www.mackayrubber.com.au
Steve
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Joel
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| posted on April 6th, 2012 at 09:42 AM |
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I used Mackay hoses too, just from supercheap.
They have the size printed on them, 38mm is 1.5" and is a really common size, I used a bunch of Falcon and Commodore hoses.
That Superbug of Scotts that Ian posted up had some real problems with his coolant lines being too low.
He actually busted one open just driving round a corner with a bit of body roll.
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liam66
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| posted on April 22nd, 2012 at 09:06 AM |
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I used a heavy hydraullic hose with only a one inch ID.
Was concerned with the small ID at the time but hasn't been an issue. Chosen because the price was very right and I could run it through the tunnel
without the noise of metal tubing.
Am running a electric water pump though.
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69satellite
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| posted on May 2nd, 2012 at 12:25 AM |
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Thoughts on using pex plumbing lines? Its rated 200f. Good bad dumb, what you think
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69satellite
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| posted on May 2nd, 2012 at 10:42 AM |
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cancel that one. it starts to break down after 200. no go. guess fence rail it is
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