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-   -   Lightyear Carbon fibre fastback street/track car (https://www.miataturbo.net/build-threads-57/lightyear-carbon-fibre-fastback-street-track-car-94872/)

lightyear 10-13-2017 04:47 AM

Lightyear Carbon fibre fastback street/track car
 
Hi, I thought I might start doing a build thread on my Black 2001 MX5. I bought it pretty much stock a few months ago. It was cheap, very cheap. It did have issues, like it hardly ran, and it had a very loud clunk noise from underneath. Body is a little rough, but overall not a bad car.
First thing I did was find the clunk sound, turns out it was the front Uni joint. So I replaced the whole tailshaft, and no more clunk. The next job was to see why it would hardly run. I cleaned all the leads and coil packs as they had a lot of oxidation, installed new plugs, and it ran perfect. Sometimes you get lucky.
I only had it for a few days when I was invited to a track day, so I quickly prepped the car with new brake pads, discs, braided lines, wheels and tyres, steering wheel and seat. I also had a carbon fibre hardtop lying around that I made a few weeks earlier. So I threw that on and removed the soft top.
It had some old coilovers already in it, but still had the open 3.6 diff. So with "new" 7 year old R specs and an open diff, I had little hope of a quick lap time. But it managed to do a sub 2:00 minute lap time at Phillip Island. I was happy enough with that. My best is a 1:50 with Oem N/A 1.8 motor aero, weight loss, etc, etc.
I just dropped it off to get a half cage welded in, and should get it back early next week. Seeing as it is going to be a permanent Lightyear fastback MX5, I had to take the car with the roof on so he can build the cage to suit. These fastbacks should be available to buy in a couple of months. New moulds are being made at the end of the month. But I won't be here as I am going to Sema. When I get back I will continue with them.

http://i63.tinypic.com/2s7csw6.jpghttp://i63.tinypic.com/2s7csw6.jpg
http://i63.tinypic.com/ru79y0.jpg

I will be making carbon fibre doors, hood, roof, trunk, etc for this car. And use it for car shows, track days, etc. It will get a little IHI mazdaspeed turbo kit. I have it lying around, so may as well use it. Along with an MS3.

Here is a video of a pre production fastback.

and another..

lightyear 10-15-2017 04:34 PM

The sump is getting drilled and tapped for the oil return line today. ��
I have everything here to turbo it. And would expect to have it done in half a day drive in NA, drive out with double the HP.

LukeG 10-15-2017 05:15 PM

Clean car, looks good!

Chilicharger665 10-16-2017 05:43 AM

I will be interested to see what price point you will be able to hit with the fastback.

lightyear 10-16-2017 06:56 AM

I will be keeping the price as low as I possibly can. Seeing as it's a roof, trunk, hinges, brackets, Windows, rubbers, etc,etc. it all adds up unfortunately. It should still come in under $2000. When I get back from California, the new moulds will be made, and a fastback will be waiting for me to pick up.

Today my 7 year old helped me remove the Mazdaspeed gear I had on another car. So when it gets back from the shop that's doing the half cage, I will get stuck into swapping all the turbo gear in. Should only take a couple of nights.

https://s1.postimg.org/6llrso42pr/image.jpg

https://s1.postimg.org/73bth9g63j/image.jpg

crispyBYM 10-16-2017 06:34 PM

And award for the coolest tow rig goes to...

lightyear 10-20-2017 07:11 AM

It's cool enough. With 6.2l of V8 under the hood it tows well.
The rollbar and oil return have been done. And my 15x9 Storm S2 wheels have arrived. :)
http://i68.tinypic.com/2afbwn8.jpg

sshamrockk 10-20-2017 12:05 PM

What's the towing capacity on that thing? I can't imagine it being alot lol.

lightyear 10-20-2017 04:08 PM

It's more than enough for me. 4630 pounds. The trailer weighs 750 pounds, and the car on it weighs 2250 pounds.

aidandj 10-20-2017 05:56 PM

Towing capacity doesn't matter when you drive upside down.

jacob300zx 10-20-2017 08:49 PM

Will the fastbacks be made in Aus? Are you selling to US customers?

lightyear 10-22-2017 07:17 AM

I am working with a large fibreglass manufacturing shop so I can make more than I could if it was just me. When I get back from the states the guys will have the moulds made. It will still take a couple of weeks to do final checks and pieces made. So it will all be made local, and I have had custom shipping boxes made so I can ship worldwide.

jacob300zx 10-29-2017 11:34 PM

Thats great news. Your fastbacks look amazing.

lightyear 12-06-2017 09:25 PM

I have taken this car to the track a couple of times. It won't be going again without a turbo. It's so slooooowwww. There has been a big delay with the fastbacks, but the guys said I should have one this year. I need to get the A/C re-gassed, it's hot inside a black car now that summer is here.

Leafy 12-07-2017 08:58 PM


Originally Posted by lightyear (Post 1446922)
It's more than enough for me. 4630 pounds. The trailer weighs 750 pounds, and the car on it weighs 2250 pounds.

They dont round in Australia? I Figured it would get rounded to 4500. I'm actually surprised its so low, the crown vic with an anemic 240 hp is rated for 6k if you use a weight distributing hitch.

msmola2002 12-07-2017 09:10 PM

Precisely 2100kg. We don't do the pound thing down there :p

aidandj 12-07-2017 10:54 PM

Crown Vic is body on frame.

04orangecrush 12-07-2017 11:04 PM

Badass tow vehicle!!! Cool miata I guess, too. Lol

lightyear 12-20-2017 05:01 AM

I got a start on doing the Mazdaspeed turbo conversion. It took me a couple of hours just to take off the original exhaust. Next time I will use penetrating spray on the exhaust nuts and bolts..
Thanks to the Beavis at Beavis Motorsport, I now have a supply of all the bits to replace the timing belt, water pump and seals.
I managed to strip the motor, replace the water pump, crank seal, cam seals, etc. And lucky I decided to do the engine mount as it has completely failed. Cleaned the motor as it was grubby as, washed and painted the rocker cover in wrinkle red to give it an Oem SE look. Still need to reassemble the front of the engine, instal the timing belt, set the timing, etc. Then work out what to do with the water inlet housing.. And after all that, get back to what I was originally doing - throw the turbo on it. :/
should have the turbo and exhaust on with another 3-4 hours work. And hopefully have it running on the MS3.
Factory look wrinkle red rocker cover.
http://i68.tinypic.com/euni3n.jpg

RX8 injectors
http://i68.tinypic.com/357ri8y.jpg

psyber_0ptix 12-20-2017 05:43 AM

That roll bar, is it welded to the parcel shelf or does it pass through to the floor and those are filler plates?


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