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Old 09-29-2010, 10:03 PM   #1
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Arrow another reroute post...

I've been searching for several days, but still have a couple of questions and need some advice.

I bought a spacer from Bell and I found a Sephia water neck. I'm planning on copying / doing the standard cold side setup.

question, does anyone have a idea or know of a chain store to get a suitable hard pipe. would perfer aluminum if possible, but don't think I can get it easily local. might have to buy online. I did find a chrome drain @ Lowe's that would work really nice, but I'm scared it would get too hot and the chrome flake. does that make sense or am I being overreacting?

next question, to simplify things I was going to pull the front thermostat housing. what is the front sensor on the Miata water neck and do I have an option of removing it?

last question, I'm have a Bell S2 kit with the "racer reroute". is that going to complicate things in the colder months? I live in TN, so it doesn't really get that cold. don't drive it daily or even monthly honestly, so a heater isn't really a big issue. I mainly just do track days, but I usually will do one in Dec / Jan and don't want the car to not get up to temp.
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Old 09-29-2010, 10:09 PM   #2
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Quote:
Originally Posted by jrw View Post
question, does anyone have a idea or know of a chain store to get a suitable hard pipe.
Check your yellow pages for a metal supply shop in your area. Any town large enough to have two McDonalds's should have one.

Alternately, you can use http://www.onlinemetals.com


Quote:
next question, to simplify things I was going to pull the front thermostat housing. what is the front sensor on the Miata water neck and do I have an option of removing it?
It's a thermoswitch that controls the cooling fan. You can remove it if you have some other way of controlling the fan, such as an aftermarket ECU.


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last question, I'm have a Bell S2 kit with the "racer reroute". is that going to complicate things in the colder months?
No more than it already does on a non-rerouted engine. All that thing basically does is to dump water from the heater core directly into the radiator, which effectively bypasses the thermostat.
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Old 09-29-2010, 10:27 PM   #3
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thanks for the fast reply Joe, been studying your re-route thread.

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Originally Posted by Joe Perez View Post
Check your yellow pages for a metal supply shop in your area. Any town large enough to have two McDonalds's should have one.

Alternately, you can use http://www.onlinemetals.com
unfortunately I work in a 1 McDonald's town and everything is closed before I get home.

I was looking at that site the other day, would the 1.25 or the 1.375 be best and what thickness would you guys recommend?

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It's a thermoswitch that controls the cooling fan. You can remove it if you have some other way of controlling the fan, such as an aftermarket ECU.
after I posted that I figure out what it was, just had to use my brain. I'm using a MSPNP for a ECU and was looking at a old Brain post. does the MS get the temp off that sensor or the factory temp. sensor on the back of the head?

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Originally Posted by Joe Perez View Post
No more than it already does on a non-rerouted engine. All that thing basically does is to dump water from the heater core directly into the radiator, which effectively bypasses the thermostat.
I noticed you weren't a fan, but would it be OK for my application? where would I need to run the heater hose back into the system?
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Old 09-30-2010, 08:42 AM   #4
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I got a nice piece of pipe from the plumbing department at ACE Hardware...

You can see it on the left. Even has a bend at the end that makes things a little easier..

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Old 09-30-2010, 09:32 AM   #5
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I got a nice piece of pipe from the plumbing department at ACE Hardware...

You can see it on the left. Even has a bend at the end that makes things a little easier..

Damn you and your nice clean car.
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Old 09-30-2010, 09:49 AM   #6
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It's not hard to have clean engine bay. Once you get it clean, maintaining it isn't hard at all. Not to mention the benefits of spotting problems much easier.

IIRC my pipe is 18" in length () and was like $15. The end with the angle has a flare on it. Optional to cut it off, but I left it on for better bite on the coolant hose. So far no problems.
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Old 09-30-2010, 09:52 AM   #7
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I wish I did the 1-piece rubber hose people have been using lately. My hard-line has leaked twice, even with flares at the end...dunno how, but I need to get small t-clamps for it I guess.
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Old 09-30-2010, 09:56 AM   #8
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I wish I did the 1-piece rubber hose people have been using lately. My hard-line has leaked twice, even with flares at the end...dunno how, but I need to get small t-clamps for it I guess.
I'll try to get the NAPA part number off mine. I've been thinking about getting ARTech to make it into a hard-pipe though.
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Old 09-30-2010, 10:36 AM   #9
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Thanks for the tip doppel, I'll check it out. Nice engine bay BTW.

Not to be that guy, but I haven't seen anything about using a one piece hose. Can someone post a link?

I don't really have a problem with using a hose over hard pipes, I just didn't want a lot of sections of hose with 10 clamps. Is there a downfall to using all hose vs a hard pipe section?
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Old 09-30-2010, 10:37 AM   #10
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Originally Posted by hustler View Post
I'll try to get the NAPA part number off mine. I've been thinking about getting ARTech to make it into a hard-pipe though.

is it this: https://www.miataturbo.net/useful-saved-posts-8/reroute-hose%3B-kia-neck-radiator-no-hard-line-needed-46698/
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Old 09-30-2010, 10:42 AM   #11
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Negative, I was referring to the one from the back of the head to the long pipe next to the intake plenum.
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Old 09-30-2010, 11:37 AM   #12
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Quote:
Originally Posted by hustler View Post
Negative, I was referring to the one from the back of the head to the long pipe next to the intake plenum.
So your using a "normal" DIY reroute? Hard pipe running the length of the block and a hose on each end? What are you talking about getting Art to make you then?

The reason I didn't just buy the Bell kit was because of all the hoses and clamps, trying to use a minimum for reliability.

Last edited by jrw; 09-30-2010 at 11:39 AM. Reason: posting on a phone
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Old 10-04-2010, 10:43 PM   #13
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Engine looks fantastic. Signature pic is the sickest miata I've seen in a while....hope that's yours.

Quote:
Originally Posted by Doppelgänger View Post
I got a nice piece of pipe from the plumbing department at ACE Hardware...

You can see it on the left. Even has a bend at the end that makes things a little easier..

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Old 10-05-2010, 12:28 AM   #14
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i have to wait to do my reroute till the engine is in my car! im gonna have an extention welded on to the kia waterneck to bring it up behind the intake manifold to make putting on the hose and getting to it cake!

what did most of you do to install your reroutes while the engine is in the car! my thoughts are to leace the PPF disconnected to push the trans up giving me some more room to get my manly hands back there!
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Old 10-05-2010, 02:39 PM   #15
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I work on f-16's. they make the space that is behind the engine seem roomy, so used to it
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Old 10-05-2010, 02:43 PM   #16
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Originally Posted by Dlaitini View Post
I work on f-16's. they make the space that is behind the engine seem roomy, so used to it
Sweet! I used to work on AB models back in the mid-late eighties! 31'st TFW Homestead AFB.
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