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-   -   HF-mx5t's 3076 turboed trackday/street toy :) (https://www.miataturbo.net/build-threads-57/hf-mx5ts-3076-turboed-trackday-street-toy-38472/)

levnubhin 09-02-2018 11:51 PM

my god that has got to be so satisfying. good stuff dude

hf-mx5t 09-03-2018 03:42 AM


Originally Posted by sixshooter (Post 1499727)
Such a beautiful track and really good driving. What tires? I heard them squealing.

Thanks :)

Tires are toyo r888 225/45/15. they feel a bit slippery, and the car floats around a bit, its not the best tire, but its what i have easily available in suitable sizes that i can also run every day on the street. Also they are over a year old.

There is probably still a bit of time left with improved driving, should be able to get into the 1.35 range. my friends Gt2rs does a 1.32 at that track.

sixshooter 09-03-2018 07:13 AM

What length is the track?

shifti 09-03-2018 07:21 AM


Originally Posted by sixshooter (Post 1499755)
What length is the track?

3.254 kilometer (2.0219 miles).

hf-mx5t 09-10-2018 05:14 PM

ok,. this might be the best idea ever, or the worst :D but fuckit.. here goes..
im going to try to swap in a 2016 BMW M4 7 speed DCT doubleclutch transmission in my mx5. becauce.. why not. i am looking for a little more top speed(lower rpm on long drives), and still keep tight ratiios..this will do the trick, and i like a challenge..

Sharing a garage with Shifti here on the forum is not helpful when it comes to saying no to crazy ideas. So this winters project is to get this up and running in my 92 mx5. then i can use full power of my engine, and have 80ms shifts with paddles.

Ill try to post pics as i go along,

What do you guys think?

https://cimg8.ibsrv.net/gimg/www.mia...3bf63de591.jpg

sixshooter 09-10-2018 05:27 PM

Sure! Why not? What could possibly go wrong?

hf-mx5t 09-10-2018 05:33 PM


Originally Posted by sixshooter (Post 1501082)
Sure! Why not? What could possibly go wrong?

my thoughts exactly. it cant be that hard? if it was hard the nobody else would have done it.. oh wait.. nobody has :D but the "cool factor" is really high :D

sixshooter 09-10-2018 05:55 PM

It would be good if the adapter from the BMW 6 speed kit from K-Miata could be used to connect the bellhousing to the engine.

hf-mx5t 09-10-2018 05:59 PM

it should have the same bolt pattern, but making the gearbox mechanically attach to the engine is the easy part. there are a lot of custom parts needed.

sixshooter 09-10-2018 06:28 PM


Originally Posted by hf-mx5t (Post 1501090)
it should have the same bolt pattern, but making the gearbox mechanically attach to the engine is the easy part. there are a lot of custom parts needed.

I hear the winters are long there...


hf-mx5t 09-10-2018 06:34 PM

haha, correct :D lots of snow.. lots of time to work on the cars.

Reverant 09-11-2018 02:52 AM

How are you going to control the gearbox? It requires a lot of CAN messages from the stock BMW ECU, ABS, power controller, steering angle sensor, etc.

hf-mx5t 09-11-2018 04:43 AM


Originally Posted by Reverant (Post 1501153)
How are you going to control the gearbox? It requires a lot of CAN messages from the stock BMW ECU, ABS, power controller, steering angle sensor, etc.

Custom gearbox controller ECU made here in europe. will show more later.
It will be a manually controlled system, and will retain a clutch pedal (drive by wire) but with normal DCT shift functionality.

KMiata 09-11-2018 01:29 PM


Originally Posted by sixshooter (Post 1501088)
It would be good if the adapter from the BMW 6 speed kit from K-Miata could be used to connect the bellhousing to the engine.

Same bellhousing bolt pattern :)

We've been talking about doing this at some point too. Haven't looked into it much, but it would be incredible.

Edit: if you're serious about doing this, let me know. We may be able to help.

hf-mx5t 09-11-2018 04:20 PM


Originally Posted by KMiata (Post 1501201)
Same bellhousing bolt pattern :)

We've been talking about doing this at some point too. Haven't looked into it much, but it would be incredible.

Edit: if you're serious about doing this, let me know. We may be able to help.


Why should i not be serious? i already have your Kmiata adapterplate on its way and will start making the flywheel/adapter to the transmission as soon as it arrives :D but any help would be cool :)

Reverant 09-12-2018 02:53 AM

Info on the controller?

KMiata 09-13-2018 02:04 PM


Originally Posted by hf-mx5t (Post 1501233)
Why should i not be serious? i already have your Kmiata adapterplate on its way and will start making the flywheel/adapter to the transmission as soon as it arrives :D but any help would be cool :)

I like this. Let's make it happen.

hf-mx5t 09-13-2018 05:08 PM

But it will probably take a while before i start putting this thing into the car. but as winter arrives, i will get started.

hf-mx5t 09-21-2018 03:59 PM

Got the adapter plate from kmiata today.
the getrag 7speed DCT double clutch gearbox has a couple of extra bolt holes but it bolts up ok.
Had the gearbox testfitted in a mx5 within 2hours :)

If it fits, it sits!
https://cimg1.ibsrv.net/gimg/www.mia...bf30249eae.jpg
https://cimg7.ibsrv.net/gimg/www.mia...a8e1cfd6fd.jpg

Reverant 09-21-2018 04:15 PM

Yes!!!


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