new from tejas!
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https://www.miataturbo.net/attachmen...ine=1342207687Hey guys i'm Justin. I currently reside in College Station TX and I recently bought a 1994 turbo miata. I dont know who built it but it needs all kinds of work :vash: I want to get this thing track ready, but for now I would atleast like to get it autox reliable. Ive been racing since I was a little kid in karts
https://www.miataturbo.net/attachmen...ine=1342207636 So I felt a turbo miata fit my bill pretty well :rofl: Here is the car https://www.miataturbo.net/attachmen...ine=1342207636 some stuff I have in order for it https://www.miataturbo.net/attachmen...ine=1342207636 I have some over heating issues and from reading this forum for the last week I realize basically the entire cooling system was done wrong :vash: |
Why does it look like it has an AFM from a 90-93? What is the fuel management? If it is the OEM with bandaids, then you need to recirculate the BOV back in pre turbo. Also, get a clamp on that fuel line. That is just asking for trouble.
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instead of starting a new thread (but I will if I should) I thought I would post up my problems in here with lots of pics and video lol....
first of all I noticed I have bubbles in the coolant res. I noticed this cause when I was driving yesterday I started smelling coolant and so I pulled over popped the hood and I had coolant all over the power steering rack. It didnt over heat but I took that time to go eat. When I came back I had a small puddle. I drove home a few miles away to investigate further but no more coolant leaking... weird. but I did notice the bubbling in the res. I let it totally cool and noted that when cool the fluid in the res sits perfectly at full. when hot it goes about an inch higher. Attachment 185851 here is what it looks like when I do a completely cold start (you have to turn it up to 1080p to see bubbles and here is what it looks like after driving for 15 min (also note res is a lot more full) this is where the temp guage was during the whole ordeal as well Attachment 185852 So when I was looking around for leaks I noticed this Attachment 185853 and this and this Attachment 185854 so any ideas? |
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Originally Posted by rharris19
(Post 902899)
Why does it look like it has an AFM from a 90-93? What is the fuel management? If it is the OEM with bandaids, then you need to recirculate the BOV back in pre turbo. Also, get a clamp on that fuel line. That is just asking for trouble.
here is the only pic I have at the moment that includes the whole thing. its raining like crazy or Id go take a closer picture of it. https://www.miataturbo.net/attachmen...ine=1342209399 |
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I ordered an aluminum radiator and fans since I only have one fan And im overheating after an hour or more of driving.
but I have this problem which makes me think it wont fit when it gets here. https://www.miataturbo.net/attachmen...ine=1342209715 also I have a very very oddly thick looking ic. I was told maybe that was blocking a lot of my air too? https://www.miataturbo.net/attachmen...ine=1342209715 http://i1043.photobucket.com/albums/...0/radiator.jpg |
The bubbles most likely indicate a failed seal between the head/block. Since failed MLS gaskets on the 1.8s are fairly uncommon, I'm predicting that the engine was overheated pretty severely at one point, and you have a warped head as a result.
The coolant hose and the intake charge pipe being near each other are insignificant. Consider removing the "heat wrap" on the downpipe/header, heat wrap can lead to more problems down the road. Also, because of the heat wrap, I can't see well enough to figure out what's going on under there You are overheating because the radiator is not properly ducted - the air is going around the radiator instead of through it. I'm willing to bet that it's more of a problem at highway speeds than in stop/go traffic. The smoke coming from your downpipe/turbo is exhaust gasses. Something in your exhaust system isn't sealed up properly. May require a gasket. May be loose bolts. |
you are correct that it seems to overheat on the highway but driving around town its fine.
warped head uggggh :ohnoes:
Originally Posted by fooger03
(Post 902938)
The bubbles most likely indicate a failed seal between the head/block. Since failed MLS gaskets on the 1.8s are fairly uncommon, I'm predicting that the engine was overheated pretty severely at one point, and you have a warped head as a result.
The coolant hose and the intake charge pipe being near each other are insignificant. Consider removing the "heat wrap" on the downpipe/header, heat wrap can lead to more problems down the road. Also, because of the heat wrap, I can't see well enough to figure out what's going on under there You are overheating because the radiator is not properly ducted - the air is going around the radiator instead of through it. I'm willing to bet that it's more of a problem at highway speeds than in stop/go traffic. The smoke coming from your downpipe/turbo is exhaust gasses. Something in your exhaust system isn't sealed up properly. May require a gasket. May be loose bolts. |
Originally Posted by fooger03
(Post 902938)
The smoke coming from your downpipe/turbo is exhaust gasses. Something in your exhaust system isn't sealed up properly. May require a gasket. May be loose bolts.
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Welcome. That's quite the head ache there.
Coolant reroute, ducting, what the help is that intake doin in there? WTF mate |
got some video of the possible leak location. any ideas how to route that line so it wont make contact with the manifold? lol |
Welcome, justintime!
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