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Old 02-16-2009, 02:07 AM   #1
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Default Turbo Water Lines Question

I went to Kragen tonight to get the water lines for the turbo, however they only sell fuel injector line.

Is this what most of you guys use? Wasn't sure what the temp rating for fuel injector lines are or if they are even OK to run water through.
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Old 02-16-2009, 11:34 AM   #2
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I use fuel hose line for little water lines on my motor, but I don't have a water cooled turbo.

I will say though that for the same price, you can buy a roll of stainless braided line from Summit Racing and then do up your lines. They'll look better and be better protected and last longer. Kinda like how I did my coolant lines by the down pipe. These costed me 20 bucks.

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Old 02-16-2009, 03:59 PM   #3
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I use industrial grade silicone coolant hose.
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Old 02-17-2009, 03:21 AM   #4
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Do they have to be rubber? Can you do hard line near turbo and then transition to something more flexible?
A couple I did...not on a Miata but may give you an idea. I used 3/8" stainless and flared it 37degrees to use =6 tube nuts and sleeves. We used these fittings from ATP.
http://www.atpturbo.com/Merchant2/me...gory_Code=GTBB
http://www.atpturbo.com/Merchant2/me..._Code=ATP-FTG1

Sorry its not a Miata but hopefully it will help.

The Tools:


They were ugly before:


Starting out:


Getting there:


Didn't turn out too bad:


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Old 02-17-2009, 03:23 AM   #5
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zomg man that is art very nice work.
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Old 03-19-2009, 04:03 AM   #6
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Holy crap, those are some great looking coolant lines. Awesome job Kelly.
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Old 03-19-2009, 04:58 PM   #7
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Kelly, where'd you find the tools to flare the stainless line? All I've found is "soft metal" flare kits.
--Alex
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Old 03-19-2009, 05:43 PM   #8
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mkippen car ftw!
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Old 03-19-2009, 05:50 PM   #9
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Quote:
Originally Posted by AlexO35 View Post
Kelly, where'd you find the tools to flare the stainless line? All I've found is "soft metal" flare kits.
--Alex
I'm almost positive anplumbing.com sells the kit but I don't know if their prices are affordable in comparison to elsewhere.
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Old 03-24-2009, 02:12 AM   #10
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Nice work. Bending those stainless lines by hand is a serious pain. Doesn't look like it crimped down the radius too bad either.
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Old 03-26-2009, 12:06 AM   #11
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Thanks for all the nice comments. Here are the tools I used.
Summit SUM-900311 - SummitŪ 37 Degree Flare Tool Sets

Summit SUM-900156 - SummitŪ Triple Head 180 Degree Tube Benders

Here are the lines I built this weekend for my new turbo. Disregard the
ugly wastegate line. Its an old one I rebent by hand for the new setup while I wait on my 1/4" stainless tube.
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Old 03-26-2009, 02:17 PM   #12
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So the "not desgined to flare stainless steel line" will do the job anyway? Sweet. Looks like I'm buying one....
--Alex
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Old 03-26-2009, 08:32 PM   #13
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Snap-on sells a nice kit too. A lil more pricey, but you get what you pay for. Life time warranty too
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Old 03-27-2009, 12:21 AM   #14
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Stainless is tricky. What I do to ensure it seals after its final assembled is tighten it and loosen the tube nut multiple times on a steel AN fitting of whatever size I am using. I have a set of steel fittings for this task only. That ensures the line is flared to the correct shape and has ample sealing surface.

When I am flaring at the shop I use this tool. Its pretty outstanding.
Mastercool Inc., Flaring Tools
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