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Old 04-08-2015, 11:49 PM   #1
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Default Skunk2 TB on MSM? Coolant lines...

Before I go port-matching I want to make sure this 64mm TB actually fits my 04' MSM. I am totally stumped as to how the coolant lines run on the new TB. I would appreciate either dummy guidance or confirmation that this is not the correct TB for the MSM.

Thanks.


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Old 04-09-2015, 12:16 AM   #2
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Yup it fits, and NO there are no hoses attached to it - just shorten the existing ones and join them using an internal barb.



See my build thread below for details.
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Old 04-09-2015, 01:10 AM   #3
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it eliminates the stupid throttle body "heater", and that's a good thing.

Just get a long hose and run from waterneck to oil cooler like everyone else.
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Old 04-09-2015, 01:17 AM   #4
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Quote:
Originally Posted by Lokiel View Post
Yup it fits, and NO there are no hoses attached to it - just shorten the existing ones and join them using an internal barb.



See my build thread below for details.
good god...that is a build thread


Thank you for the info! 8mm hose joiner coming up.

for the record i wish my ecu was under a floor panel.

Last edited by tazswing; 04-19-2015 at 01:52 PM.
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Old 04-09-2015, 01:18 AM   #5
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If only there was a built MSM in your area with this exact setup you could check out...
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Old 04-09-2015, 01:24 AM   #6
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Originally Posted by 18psi View Post
it eliminates the stupid throttle body "heater", and that's a good thing.

Just get a long hose and run from waterneck to oil cooler like everyone else.
not sure exactly where those two points are but i like/get the idea.

wtf, TB heater? good riddance.
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Old 04-09-2015, 01:25 AM   #7
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Quote:
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If only there was a built MSM in your area with this exact setup you could check out...
i thought is was in peices still
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Old 04-09-2015, 01:32 AM   #8
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Keep up man!

https://www.miataturbo.net/build-thr...r-83453/page3/

It's on with a "T" piece until I find a brass straight coupler. Just cut up the stock pieces a little bit on each. Zip tied the joint to the injector plug on the front of the engine, so it won't dangle into the belts.
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Old 04-09-2015, 01:41 AM   #9
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Keep up man!

https://www.miataturbo.net/build-thr...r-83453/page3/

It's on with a "T" piece until I find a brass straight coupler. Just cut up the stock pieces a little bit on each. Zip tied the joint to the injector plug on the front of the engine, so it won't dangle into the belts.
oh bite me, i got a 4-week old...but i subscribed. besides, you will see my car again soon and let me know what i did wrong this time...lol.
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Old 04-19-2015, 11:40 AM   #10
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I have this same TB and no, there is no way to run coolant through it. I eliminated all of my lines when I did the coolant reroute and I just did not care to run them all over the place again. Then I found out what their purpose is and was glad I didn't bother hooking them back up.

I have not installed my TB yet either, need to remove the upper plenum and match it.
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Old 04-19-2015, 12:27 PM   #11
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I've deleted the water lines all together on a few engine builds, The best method is a small piece of quality hose with a bolt in it, clamped of course.

However, I think it was Mobius who noticed the lack of oil warm up when it was deleted, and as important as oil is for an engine, it's temperature is just as important, and I'd rather have it warm up a little faster.

For my project MSM, I trimmed the hose going from the throttle body to the thermostat neck, and connected the two. I'd rather run a single piece of hose from the water/oil warmer straight to the thermostat neck, but that's a project for another day.
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Old 04-19-2015, 12:29 PM   #12
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Quote:
Originally Posted by curly View Post
I've deleted the water lines all together on a few engine builds, The best method is a small piece of quality hose with a bolt in it, clamped of course.

However, I think it was Mobius who noticed the lack of oil warm up when it was deleted, and as important as oil is for an engine, it's temperature is just as important, and I'd rather have it warm up a little faster.

For my project MSM, I trimmed the hose going from the throttle body to the thermostat neck, and connected the two. I'd rather run a single piece of hose from the water/oil warmer straight to the thermostat neck, but that's a project for another day.
Interesting observation. One thing I noticed on my OP gauge is that even after driving for about 10-15 minutes, my oil pressure at idle is still higher than it will be after 30 minutes or so. Of course, I have the TDR sender kit which is OK but not hailed for it's response speed.
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Old 04-19-2015, 01:22 PM   #13
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Very interesting. I was lazy so it was just a brass barb and zip tie to keep the line out of trouble.

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Last edited by tazswing; 04-19-2015 at 01:51 PM.
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Old 04-19-2015, 10:09 PM   #14
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Quote:
Originally Posted by 18psi View Post
it eliminates the stupid throttle body "heater", and that's a good thing.

Just get a long hose and run from waterneck to oil cooler like everyone else.
Hmmmm throttle body ice buildup is a real thing for those who live in places where it freezes. What works in California won't work everywhere. There is a real purpose for the warmer.
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Old 04-19-2015, 11:53 PM   #15
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Hmmmm throttle body ice buildup is a real thing for those who live in places where it freezes. What works in California won't work everywhere. There is a real purpose for the warmer.
That is an interesting idea. What would freeze in the TB? Seems like if the TB is frozen there would be a whole lot of other stuff, too.

Good thing i live in Oregon and not Cal., though...
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Old 04-20-2015, 01:05 AM   #16
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The throttle body can freeze in cold-but-not-freezing conditions because the ambient air pressure drops as it flows past the partly-closed throttle plate, and thermodynamically that results in a temperature drop, sometimes below ambient. Any moisture in the air can then freeze onto the throttle plate, resulting in a stuck throttle.

--Ian
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Old 04-20-2015, 02:03 PM   #17
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The throttle body can freeze in cold-but-not-freezing conditions because the ambient air pressure drops as it flows past the partly-closed throttle plate, and thermodynamically that results in a temperature drop, sometimes below ambient. Any moisture in the air can then freeze onto the throttle plate, resulting in a stuck throttle.

--Ian
This is why I love this sitesight!

Last edited by tazswing; 04-22-2015 at 02:59 PM.
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Old 04-21-2015, 08:04 PM   #18
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Quote:
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This is why I love this sight!
What are you looking at?
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Old 04-22-2015, 01:56 PM   #19
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Quote:
Originally Posted by Lokiel View Post
What are you looking at?
People giving awesome answers that speak about " thermodynamically" thoughtful things. That is amazing. No sarcasm; it is why I really like this sitesight.

Last edited by tazswing; 04-22-2015 at 02:58 PM.
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Old 04-22-2015, 02:06 PM   #20
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Maybe nobody understands because this is a SITE, not a SIGHT.
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