Miata Turbo Forum - Boost cars, acquire cats.

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-   -   Ted75zcar's questionable logic - the '91 compound turbo-super (https://www.miataturbo.net/build-threads-57/ted75zcars-questionable-logic-91-compound-turbo-super-92469/)

Ted75zcar 06-28-2018 09:51 PM

That was actually the part that was descoped. I intend to put other indicators in as well (like a shift light). I have a specific way that I want to do it, but it will probably add a week or two to the bottom line. I basically pulled any non-implemented features or functionality that can be done without tearing the whole car apart. I will do those things next winter.

Joseph Conley 06-29-2018 09:00 AM

Thanks for putting that video together, even though I doubt I'll ever do anything as complex as this, there was a lot of information there about how the stock gauge works.

andyfloyd 06-30-2018 10:12 AM


Originally Posted by Ted75zcar (Post 1477316)
Stuff is happening. Going to hold off on posting about the manifold pressure control system, but that work is moving forward.

https://cimg5.ibsrv.net/gimg/www.mia...0d819c1ae2.jpg










This looks amazing, you sir are an ANIMAL

Ted75zcar 07-05-2018 04:35 PM

This little guy allows me to measure alternator current using a TinyIOx. I use the resistance of the alternator to main fuse box wire as the sense element. Range: 0-120A, 10-18V, resolution: ~500mA.

https://cimg8.ibsrv.net/gimg/www.mia...ab7bb4a075.jpg

Ted75zcar 07-05-2018 04:37 PM

Somebody had the audacity to call this build complicated....

charge/intake/diverter piping

https://cimg0.ibsrv.net/gimg/www.mia...f41ceefdaa.jpg

Ted75zcar 07-05-2018 04:40 PM

Intake and hotside catchcan

3"

https://cimg2.ibsrv.net/gimg/www.mia...67c04382e9.jpg

https://cimg7.ibsrv.net/gimg/www.mia...2e217777c7.jpg

https://cimg4.ibsrv.net/gimg/www.mia...466c3fdf6e.jpg

https://cimg7.ibsrv.net/gimg/www.mia...1e08f2c875.jpg

Ted75zcar 07-05-2018 04:50 PM

Lower rad hose

https://cimg1.ibsrv.net/gimg/www.mia...192379e78b.jpg

Ted75zcar 07-05-2018 07:50 PM

This thing actually looks like a car again. It is getting flavorful. Been a long 18 months.

https://cimg1.ibsrv.net/gimg/www.mia...2fba381efc.jpg

https://cimg6.ibsrv.net/gimg/www.mia...7c44c9fbf4.jpg

Ryan_G 07-06-2018 08:28 AM

Needs more hood vent. Awesome build! I can't wait to see it running.

Ted75zcar 07-06-2018 10:41 AM


Originally Posted by Ryan_G (Post 1490084)
Needs more hood vent. Awesome build! I can't wait to see it running.

Thanks!

I have a set of R Theorys, they will probably go in next winter. I see you have a taste of the dark side (SC) with that Lotus.

Ryan_G 07-06-2018 11:27 AM


Originally Posted by Ted75zcar (Post 1490104)
I see you have a taste of the dark side (SC) with that Lotus.

And darkness has never tasted so good! The SC delivers power in such a linear and predictable way that it makes the car very easy to drive and I'm never afraid the boost is gonna hit and I am gonna lose the ass end of the car. I do miss that low end shove of torque a turbo car has though.

Artifex 07-06-2018 11:33 AM

I just binge-read through your build. I fear I have nothing of significance to say other than I find your work to be inspiring. The oil pressure gauge adapter was very interesting. Sub'd!

Ted75zcar 07-08-2018 09:50 PM

Fantastic article with all sorts of nuggets as to why I am so adamant about getting VE, voltage correction, and injector characterization configurations as accurate as possible.

ID is KING

GM Injector Characterization - Injector Dynamics

Ted75zcar 07-22-2018 01:17 PM


ridethecliche 07-22-2018 09:39 PM

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

andyfloyd 07-24-2018 05:30 PM

Where is it leaking oil from? Front seal? Oil pump hex plug? Glad its running well, hearing it run probably gives you motivation.

Ted75zcar 07-24-2018 05:48 PM

Leaking from the oil filter relocation adapter, which is under the IM and behind the SC. It is probably a 4 hour job, assuming I don't have to pull the motor.

I have been motivated for a long time, but this is a huge project.

andyfloyd 07-24-2018 05:56 PM


Originally Posted by Ted75zcar (Post 1493077)
Leaking from the oil filter relocation adapter, which is under the IM and behind the SC. It is probably a 4 hour job, assuming I don't have to pull the motor.

I have been motivated for a long time, but this is a huge project.

damn yea that really sucks with the supercharger over there Im sure space is at a premium. It is a huge project for sure man, really impressive all the fab work youve done

Ted75zcar 07-24-2018 06:07 PM


Originally Posted by andyfloyd (Post 1493078)
It is a huge project for sure man, really impressive all the fab work youve done

thanks!

oreo 07-26-2018 12:24 PM

Very nice!
Everything looks logically laid out and well constructed. (I like it when things are new and clean!)

Man, you are using a lot of sensors here. You will have lots of data, once things are running. :)

Some questions:

What pulley ratio are you using on the SC?
Is there a separate intercooler between the turbo and SC inlet?
Do you have a target boost level you are planning to run?
You got that leak fixed yet? We want to see on road videos of boost at idle!


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