NC 20BPP Time Attack / Track Car - Build Thread

Postby **orx626** » Tue Sep 10, 2013 5:43 pm

Now this really gets me excited!!!! :twisted:

Cheers,
Danny

Postby **Okibi** » Tue Sep 10, 2013 7:16 pm

Gonna engineer some variable intake trumpets?

Postby **orx626** » Tue Sep 10, 2013 8:00 pm

Okibi wrote:Gonna engineer some variable intake trumpets?

Either once I've mastered the car (probably never!

) or when I've got nothing better to do! :wink:

Cheers,
Danny

Postby **orx626** » Wed Sep 11, 2013 9:24 am

TieNN89 wrote::o what happen to it

Here is the answer...

http://oppositelock.jalopnik.com/the-mazda-furai-concept-is-dead-1286219473

Black_Penguin · Postby **Black_Penguin** » Wed Sep 11, 2013 2:07 pm

orx626 wrote:Now this really gets me excited!!!!

Cheers,
Danny

You owe me a new pair of pants.

16bit · Postby **16bit** » Wed Sep 11, 2013 5:31 pm

bloody kiwis

813whp 6 rotor.

http://www.worldtimeattack.com/index.ph ... lying-500/

TieNN89 · Postby **TieNN89** » Wed Sep 11, 2013 7:27 pm

orx626 wrote:
TieNN89 wrote::o what happen to it

Here is the answer...

http://oppositelock.jalopnik.com/the-mazda-furai-concept-is-dead-1286219473

I was just about to jump on here and post that

:frown:

Postby **orx626** » Tue Sep 17, 2013 8:44 pm

Continuing on with the exhaust system....here's some photos of the extractors welded out (except for the 3 tube flange). Threaded bosses for EGT sensors and wideband Lambda sensors are still to be positioned and welded so the whole assembly can be ceramic coated.

Also completed is the steering shaft adaptor/coupling. It joins the OEM shaft to the aftermarket shaft.

...and another gratuitous engine bay photo! :mrgreen:

Cheers,
Danny

16bit · Postby **16bit** » Wed Sep 18, 2013 1:45 pm

looking good Danny.

i am loving all of these updates.

Postby **orx626** » Thu Sep 19, 2013 9:56 pm

16bit wrote:looking good Danny.

i am loving all of these updates.

Thanks James.

Here's another one.....the next job to do on the exhaust system was to join the front (extractors) and rear sections. This is where the "ninja stars" came in handy. They were used to keep the primary tubes at the correct spacing whilst the centre section was being fabricated.

Welding out....

Cheers,
Danny

Postby **NitroDann** » Thu Sep 19, 2013 10:02 pm

I dont know squat about rotaries but that has LOOOONG primaries.

Dann

Postby **orx626** » Thu Sep 19, 2013 10:04 pm

NitroDann wrote:I dont know squat about rotaries but that has LOOOONG primaries.

Dann

The larger the ports...the longer the primaries! :twisted:

Postby **Okibi** » Fri Sep 20, 2013 12:52 am

Still in awe :mrgreen:

MINX · Postby **MINX** » Fri Sep 20, 2013 7:38 am

dam, scrolling down through the pics, i was hoping you were going to run the three pipes right out under the rear bumper with triple straight tips!
I am guessing a muffler is required to be allowed to use it anywhere except Amberly Airbase :oops:

Postby **orx626** » Sun Sep 22, 2013 9:35 pm

MINX wrote:dam, scrolling down through the pics, i was hoping you were going to run the three pipes right out under the rear bumper with triple straight tips!
I am guessing a muffler is required to be allowed to use it anywhere except Amberly Airbase

Stu, I'd probably be allowed to run it like that at Willowbank....but there's no corners, so that's no good!

It's really starting to come together now....

...but the engine is only a dummy block. So this had to happen.

The engine was required to keep the extractors in place when the main flange was welded out.

So this is how they finished up....and as previously mentioned they just need the EGT and wideband ports added prior to being ceramic coated.

With the engine removed and the finishing work underway my focus moved onto the front end. Those of you who are familiar with WTAC cars, generally the Pro and some Open class cars use a tubular front end. The NC is really quite a good front end (chassis wise)...what I mean is that it is quite light but also structural. So my intent was to maintain as much of the OEM front as possible but also achieve what I need to with regards to ducting for the heat exchangers (radiator and oil cooler) and also adding a suitable structure to support the front aero package (which is still just a concept in my head at this point).

The first thing that was done was unbolting all front end components that can be easily removed. ie. guards and front bar reinforcement etc...

To increase the available space for the heat exchangers the vertical section of the radiator support panel needed to be removed. It is predominantly spot welded in so I set about drilling the spot welds off.

So it then looked like this....

From a previous project I happened to have a spare top section of the radiator support panel. :mrgreen:

....and with the front bar reinforcement bolted back on. It certainly has increased the amount of useable space forward of the engine.

I also set about removing the remainder of the battery/power steering reservoir crossmember.

Cheers,
Danny