Sorry if this has already been answered. What is the black sensor on the turbo compressor? It looks like that Mitsubishi sensor the stock miata uses for hot restarts.
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The boost control solenoid?
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the boost controller or the wastegate?
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boost control solenoid, blow off valve, turbo speed sensor
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boost control solenoid, blow off valve, turbo speed sensor, turboencabulator, IWGA
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As everyone mentioned looking at it from the top clockwise: boost control valve (black hoses), blowoff valve (blue hose) and the one on the bottom is the speed sensor showing the turbine speed which will come handy on the dyno to see where the speed is sitting and if it is stalling under power.
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Originally Posted by bcrx7
(Post 1096355)
As everyone mentioned looking at it from the top clockwise: boost control valve (black hoses), blowoff valve (blue hose) and the one on the bottom is the speed sensor showing the turbine speed which will come handy on the dyno to see where the speed is sitting and if it is stalling under power.
EDIT seeing as its directly on the compressor. I guess it would be ok with some sort of barrier between it and the compressor. |
Originally Posted by ScottyP3821
(Post 1096410)
Ahh nice. Are you worried about compressor heat melting it at all? The one I have is made out of plastic unless yours is different
EDIT seeing as its directly on the compressor. I guess it would be ok with some sort of barrier between it and the compressor. |
Originally Posted by Leafy
(Post 1096415)
This is how every EFR turbo ships.
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The compressor doesn't (well shouldn't) get any hotter than 200F, and that doesn't melt that sensor. If that sensors starts melting, there are more serious issues happening than the sensor :)
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4 Attachment(s)
Well correction to my earlier comment about the compressor temperature: I have run the calculator both for the air temp as well as the surge curiosity!
The compressor outlet at 7000RPM and 34PSI will be 380F! That is of course the air temp inside and outside should be fairly lower. As far as surge, I have managed to get a map that will work between 4000rpm to redline. According to calculations 34PSI is going to be 599hp and 450ft.lb. of torque! https://www.miataturbo.net/attachmen...1&d=1390943933 https://www.miataturbo.net/attachmen...1&d=1390943933 |
34 psi eh :D
you're the man |
I would rather run less, but realistically would not happen for 599 (let's call it 600hp). Now not sure how much the calculator takes into account the effect of running high octane/E85 as there can be much added timing which will help VE. It does recommend values for the turbine efficiency to be increased by 10-15% at lower RPM range with twin-scroll but I did stay on the conservative side. It's all on paper (well on a site) but people have achieved much higher numbers from these EFR's than just paper. I mean you got 458whp from a 6758, so a compressor with additional 16mm should do the trick and get me to that 600hp (and that's at crank!)
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Originally Posted by bcrx7
(Post 1084487)
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Yeah. I've been picking at the interior slowly and started to look at finishing the body work and the flat bottom. But no pictures and a little bit less work since i've been working on another project in the shop. In addition looking at starting a CNC/Machining business with a friend and that is keeping us busy.
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4 Attachment(s)
Some more pictures and proof that I have been slowly (really freaking slowly) working on it. Been mostly working on a customer's MR-S and semi-tubing the back half of that as well as putting MegaSquirt in a couple of race cars. Fun stuff!
https://www.miataturbo.net/attachmen...1&d=1398275960 https://www.miataturbo.net/attachmen...1&d=1398275960 |
just when we almost forgot about this awesome thread, you update it :)
loving it, as always |
Thanks man! I just remembered I need to put in that knock sensor you sent me!
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sooo its been a few months. did it rape boost yet?
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Unfortunately it is in storage until we found a new place to work on it. I had some issues with the shop owner (now ex-friend) is the short version :)
Getting some parts for it now and going to bite the bullet and change the front to double wishbone! |
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