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Cordycord's epic tube frame build

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Old Jun 26, 2014 | 04:50 PM
  #981  
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I was just pointing out that the water pump on the lower front of the engine is the inlet and not the outlet. The water goes into the block there and out at the back of the head.
Old Jun 26, 2014 | 04:58 PM
  #982  
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:btu:
Old Jun 26, 2014 | 04:59 PM
  #983  
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Originally Posted by sixshooter
I was just pointing out that the water pump on the lower front of the engine is the inlet and not the outlet. The water goes into the block there and out at the back of the head.
No I get it...front to back. We're splitting off some of the incoming cool water for the turbo. Theoretically the coolest water will be available right after the radiator and before entering the block.

Our turbo exit line meets up with the rest of the hot water after it's exited the block in the back, so hot turbo water doesn't have to go through the block before first going through the radiator.
Old Jun 26, 2014 | 05:00 PM
  #984  
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Originally Posted by cordycord
No I get it...front to back. We're splitting off some of the incoming cool water for the turbo. Theoretically the coolest water will be available right after the radiator and before entering the block.

Our turbo exit line meets up with the rest of the hot water after it's exited the block in the back, so hot turbo water doesn't have to go through the block before first going through the radiator.
The fact that you posted this makes me terrified that you've actually made a driving tube frame car.
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Old Jun 26, 2014 | 07:13 PM
  #985  
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Yup, you'd be reversing the flow you think you're going, feeding the hottest water to your turbo. Think water pump, then think pressure differential.
Now if you have an external pump before the coolant enters the block, and feed coolant to churbo right after it, then cool.
Edit to add: my track car was plumbed the exact way you're describing, but I used my heater core in-line before the turbo acting as a radiator. Yes it got hot in the cab... but I never had fogging issues

Last edited by GeneSplicer; Jun 26, 2014 at 11:29 PM.
Old Jun 26, 2014 | 08:22 PM
  #986  
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Where is the thermostat?
Old Jun 27, 2014 | 09:36 AM
  #987  
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Originally Posted by cordycord
No I get it...front to back. We're splitting off some of the incoming cool water for the turbo. Theoretically the coolest water will be available right after the radiator and before entering the block.

Our turbo exit line meets up with the rest of the hot water after it's exited the block in the back, so hot turbo water doesn't have to go through the block before first going through the radiator.
Correct but theres no water pressure where you connected your inlet. You want that inlet to be on the other side of the water pump.
Old Jun 27, 2014 | 12:47 PM
  #988  
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If I see correctly you have the best source for cool water right next to your oil feed (MSM/94/GTX block).


(Water feed is the one without the red circle )

Tap in there and you have the best routing for your turbo water lines. Feed from the block and return after the thermostat to the KIA cover/upper hose.
Old Jun 27, 2014 | 03:03 PM
  #989  
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Originally Posted by olderguy
Where is the thermostat?
The thermostat is at the back of the block.

Here's my thinking: it's a closed system. The pump keeps the water flowing in a circular motion, even to the point where the water is seeing pressure at all points.
Old Jun 27, 2014 | 03:07 PM
  #990  
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Originally Posted by cordycord
The thermostat is at the back of the block.

Here's my thinking: it's a closed system. The pump keeps the water flowing in a circular motion, even to the point where the water is seeing pressure at all points.
If you have a closed pipe with two identical (low) pressure points at each end, does the water flow through the pipe?
Old Jun 27, 2014 | 03:08 PM
  #991  
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Originally Posted by Vuti
If you have a closed pipe with two identical (low) pressure points at each end, does the water flow through the pipe?
Good point. I was just picturing "flow".
Old Jun 27, 2014 | 03:11 PM
  #992  
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Just change the pickup for the block port and your system is golden...
Old Jun 27, 2014 | 03:16 PM
  #993  
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No, if you were seeing equal pressure at all points, the water would not be moving. The pressure before the pump will be lower than the pressure after the pump, otherwise the pump wouldn't be working.
Old Jun 27, 2014 | 03:28 PM
  #994  
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Originally Posted by Leafy
The fact that you posted this makes me terrified that you've actually made a driving tube frame car.
I made this car in collaboration with some of the best builders in their field. I listened to what they had to say and then incorporated their knowledge into the design, which is what I'm trying to do here. Most posts here have been helpful...
Old Jun 27, 2014 | 03:52 PM
  #995  
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Originally Posted by GeneSplicer
Edit to add: my track car was plumbed the exact way you're describing, but I used my heater core in-line before the turbo acting as a radiator. Yes it got hot in the cab... but I never had fogging issues
Same here, with the heater core supply being before the thermostat of course.

Cordy is just having a brain fart, it happens to us all. 'tis friday, afterall.
Old Jun 27, 2014 | 04:17 PM
  #996  
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Originally Posted by TurboTim
Same here, with the heater core supply being before the thermostat of course.

Cordy is just having a brain fart, it happens to us all. 'tis friday, afterall.
Thanks Tim. Happy to have given you your 100th prop.

One thing that's been pounded into me with this build is that "failure" equals progress, if you know how to react to it. It's the application of the scientific method where you're supposed to test a theory, have it fail, learn from your mistakes, and then adjust the theory with the lessons you've learned. That to me is a huge part of the satisfaction of the build process.

But getting to watch some members of the peanut gallery uphold the reputation of MT.net, not so much.
Old Jun 27, 2014 | 04:48 PM
  #997  
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Hey, what would we be without our reputation?

Looking forward to seeing this project completed, and seeing the car in person in September.
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Old Jun 27, 2014 | 04:58 PM
  #998  
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Originally Posted by cordycord

But getting to watch some members of the peanut gallery uphold the reputation of MT.net, not so much.
you clearly have not seen this thread:
https://www.miataturbo.net/insert-bs...d-75269/page5/
Old Jun 27, 2014 | 06:39 PM
  #999  
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Originally Posted by golftdibrad
you clearly have not seen this thread:
https://www.miataturbo.net/insert-bs...d-75269/page5/
lol, the only thing I contribute to MT is gayness
Old Jun 27, 2014 | 06:55 PM
  #1000  
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Originally Posted by GeneSplicer
lol, the only thing I contribute to MT is gayness
Not true.

You also disassembled the best looking car on the forum creating much sadness.



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