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Old 02-19-2009, 01:47 PM   #21
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Thanks Phil. I figured that's what you probably posted, but you also don't have a front thermostat, whereas I will. So if I go this route, which is looking more and more attractive, I'll just cap that line off.

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Originally Posted by mazda/nissan View Post
tada
Thanks, that one I could see. However, that's the traditional route I had originally, and I wanted to source the coolant from the block this time around.
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Old 02-19-2009, 02:16 PM   #22
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Originally Posted by Braineack View Post
its just above the stock oil port, it's m12x1.25.

It's probably not the best place for a coolant temp sensor as it's going to represent to coolest water in the block, not the warmest.
Where do you think the best place would be? Top radiator hose? Back of head where stock gauge sensor goes?
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Old 02-19-2009, 02:28 PM   #23
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Quote:
Originally Posted by RotorNutFD3S View Post
Thanks Phil. I figured that's what you probably posted, but you also don't have a front thermostat, whereas I will. So if I go this route, which is looking more and more attractive, I'll just cap that line off.



Thanks, that one I could see. However, that's the traditional route I had originally, and I wanted to source the coolant from the block this time around.

No reroute?
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Old 02-19-2009, 02:50 PM   #24
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No reroute?
Not yet. Right now I'm more interested in getting the car running again without adding any new variables. I'm not even going to hook the W/I system back up yet. I'm more comfortable with the thought of making sure that it runs correctly and if there's a problem that it's easier to troubleshoot. Then I'll start adding things, especially the reroute. It hasn't proved to need it yet, and the car's been turbo'd in a few different environments, I don't think waiting for a little bit will hurt.
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Old 02-19-2009, 02:52 PM   #25
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Originally Posted by RotorNutFD3S View Post
Not yet. Right now I'm more interested in getting the car running again without adding any new variables. I'm not even going to hook the W/I system back up yet. I'm more comfortable with the thought of making sure that it runs correctly and if there's a problem that it's easier to troubleshoot. Then I'll start adding things, especially the reroute.
Got ya, although the reroute is sooooooo much easier with the head off.
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Old 02-19-2009, 02:55 PM   #26
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Yeah, this sounds like it could be a great time to do the coolant reroute (everybody's doin it, come on, you'll like it)
Move the thermostat to the back of the head with a JR spacer capped by a 1.6 thermostat housing, after the turbo the coolant could go to the heater "in", the heater "out" feeds into the JR spacer after the thermostat.
easy peezy
Get rid of all those pesky little coolant lines for the oil cooler and throttle warmer (cause everybody has a oil cooler hang'n on the front of the car by now and the turbo will keep the throttle warm). Then you can knock off the silly thermostat contraption from the front of the motor and plug up the hole.

I skipped the turbo and went from block coolant port to heater "in".
The heater "out" is the stock miata heater hose that goes behind the head and feeds into the JR spacer (where the stock pickup used to be).
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Old 02-19-2009, 03:50 PM   #27
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Yeah, I may jump on the bandwagon before the engine goes in, I'm still on the fence about adding it first. The ease of the installation is a good point. lol And I don't have an oil cooler, nor do I have any plans of adding one.

I'm still reading up about reroutes and trying to find the absolute necessity on a street car that sees full boost every once in a while, no plans of tracking it at the moment. Maybe I'll track it someday down the road when I have another daily. I do fully understand it makes a difference since Mazda didn't route the coolant very well to start with, don't get me wrong. But for a car that's been turbo'd for most of it's life in some pretty hot environments, it hasn't had any issues with cooling.
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Old 02-19-2009, 05:13 PM   #28
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Im using that port for water as well.
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Old 02-25-2009, 12:41 AM   #29
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What size fitting do you buy to use that port? I've not been able to find an M12 x 1.25 to AN adapter on Jeg's, Russell, etc.

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Old 02-25-2009, 02:08 AM   #30
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Quote:
Originally Posted by RotorNutFD3S View Post
What size fitting do you buy to use that port? I've not been able to find an M12 x 1.25 to AN adapter on Jeg's, Russell, etc.
AN PLUMBING.COM Earls performance products, Hose ends Hose,Adapters, fittings
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Old 02-25-2009, 12:33 PM   #31
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Awesome! Thank you sir!
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