The carbon fibre time attack/superlap MX5 NB twins blog

lightyear · Postby **lightyear** » Fri Feb 13, 2015 8:02 pm

Still working on the final moulds for the fastback. But Brendan can spend hours making the internal frames for the side windows and door window rubbers. You are welcome to buy a shell. But it is a fair amount of work to have it properly usable.
FYI, I used the fastback shell on my red car the last time I drove it. I just taped make shift windows in. And taped the fastback on. It worked fine. But wouldn't be good on a road car.

lightyear · Postby **lightyear** » Thu Jan 21, 2016 4:25 pm

I might sell this car. I will probably never finish it. If anyone wants a bare shell with full Meridian cage, or with any of the gear that's in it let me know.
Haven't worked out any prices. Just seeking expressions of interest. There may come a time when I can finish it. But I don't really need it.
Quarter panels can be welded back on. And there is nothing cut on the front end. So oem guards and bonnet, etc, will bolt right on. Or if you want the carbon fibre body, I can work out a deal.
I am happy enough to keep driving my "SE" track car. It could be a quick car with a few minor upgrades.
I would like to keep the motor. But will consider selling it with the car.

mx5002 · Postby **mx5002** » Thu Jan 21, 2016 9:04 pm

reading that makes me sad :frown:

oztrackdays · Postby **oztrackdays** » Thu Jan 21, 2016 10:32 pm

The Time Attack delusion is just that.

No matter what you build, you are always going to be about $1 Mealion dollars
underspent against the horsepower hero crowd.

the top flight time attack cars do 20 - 50 laps per huge dollar engine,
and spend up beyond $10,000 a DAY on tyres.

And they don't like to bring it up but go no quicker than a sub $50,000 Formula 3 car
which is normally aspirated 2 Litre with an air box choking them.

Spend the time and money on a car you can and will use.

lightyear · Postby **lightyear** » Fri Jan 22, 2016 7:10 am

Yes, time attack has risen in cost considerably. When I started to built this, it would have been competitive.
If I can find some quarter panels, I might put this car together with oem panels all round and finish it. Just use it as a race car.
Will still be bloody quick. My "SE" can do some pretty quick times, and it's using mostly stock parts. So with a built motor, proper turbo, and lighter weight, it should go well.

lightyear · Postby **lightyear** » Tue Jan 26, 2016 9:28 pm

So for the first time in ages something has happened with this car. A frien had a damaged NB, I went down and cut the rear 1/4 panels off. Pulled the carbon fibre panels off the car, bolted the doors on so I could line up the new rear 1/4 panels. A bit if trimming and welding, and it all lines up. This car will still be very light. Just not crazy light as it was intended.

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lightyear · Postby **lightyear** » Thu Jan 28, 2016 9:50 pm

A bit more progress.

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Postby **beavis** » Thu Jan 28, 2016 9:55 pm

woah, a fuel flap.
heavy.

lightyear · Postby **lightyear** » Fri Jan 29, 2016 7:02 am

It is noticeably heavier than the drivers 1/4 panel. But it's glued on with some pretty good glue. The panel will distort trying to remove it I think.

lightyear · Postby **lightyear** » Sat Aug 06, 2016 8:41 am

I have started working on this car again. It is being built as a 2B race car using the SE manifold and turbo. First job was to remove both manifolds. Then take the SE turbo off its manifold so I can port the wastegate and hopefully cure the boost creep when running the 3" exhaust. I should have the porting done this morning.
Old top mount turbo vs SE turbo. And a pic of the inlet.

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lightyear · Postby **lightyear** » Sat Aug 06, 2016 1:27 pm

I ported the entry to the wastegate, unshrouded the exit as well. And since I had the tool, i cleaned up the manifold too.

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lightyear · Postby **lightyear** » Fri Aug 12, 2016 8:07 am

I figured I should check the port match from the head to intake since I am changing intakes. Lucky I did, the manifold is almost 15mm too low. I think this is a GTR head, not an MX5 head. Would explain it. So now the inlet has to have bits welded to it, and all the holes redrilled. I picked up the 1000cc injectors. I assembled the 3.6 Torsen diff, replaced the bushes with nolathane and fitted the lot into the car. PPF is on, tailshaft is on, the whole exhaust is on. The worst part is trying to find the nuts, bolts and bits that I removed 6 years ago.

adult photo sharing

sailaholic · Postby **sailaholic** » Fri Aug 12, 2016 8:46 am

The mx5 bp heads changed with the introduction of the NBA to the high port head. Everything pre nba, regardless of it being 323 or mx5 had the low port head but there late 323s never got the high port.

Automotive plus make an adapter plate to match the na8 inlet to a nb head but you've already made the mods.

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lightyear · Postby **lightyear** » Fri Aug 12, 2016 9:56 pm

I do remember that about the heads now.

I am trying to finish cleaning the garage, and I have told myself that instead of moving parts around that go on this car. I may as well install them. It's not really working on the car, it's putting parts away properly. But like the diff, it can't just be installed without doing some prep. I bolted the door inner halves on properly. But had to remove some metal from the hinges. They are not that heavy, but when you hold the (sub 2.0kg) door, it's front heavy with the hinges on.

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