BrownDog's Jap NB

Chat to do with your MX5/Miata/Eunos Garage Ride(s).

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BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

BrownDog's Jap NB

Postby BrownDog185 » Mon Oct 17, 2016 1:46 am

(Biggest Dr. Nick Voice)
HI EVERYBODY!!

I present to you my 98 Jap Spec NB RS

BP Motor(DUH....)
6-Speed
Torsen Diff

Image

Image

Pretty much stock apart from the usual things...
i.e Exhaust, lowered, rims ect

First things I did when I got it was, buy a Dual Action polisher and clean the paint up; it's pretty good, except for the spots where tree sap had eaten into the paint and left it orange peeled :/
After that it was a service with new plugs, filter and Penrite 10w-40

Also threw in some FLI 8" splits from autobarn and a JVC amp in the boot
Great amount of bass, essentially put 8" subwoofers in the doors.

Pretty much my plan is to daily it until I got enough saved up for a turbo setup, then do skids :P
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333

BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

Re: BrownDog's Jap NB

Postby BrownDog185 » Mon Oct 17, 2016 1:48 am

Forgot to mention I'm currently getting about 13l/100ks so I think it's time to change the o2 sensors
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333

Zac
Driver
Posts: 89
Joined: Fri Jul 15, 2016 2:03 pm
Vehicle: NB8A

Re: BrownDog's Jap NB

Postby Zac » Tue Oct 18, 2016 10:43 am

Gee 13l per 100 is way high. Congratulations, good luck on getting that fuel figure down
Just commit to it :NB8A:

rascal
Racing Driver
Posts: 1770
Joined: Fri May 16, 2008 1:39 pm
Vehicle: NB8A
Location: FarSE Melbourne

Re: BrownDog's Jap NB

Postby rascal » Tue Oct 18, 2016 12:57 pm

BrownDog185 wrote:Forgot to mention I'm currently getting about 13l/100ks so I think it's time to change the o2 sensors

Could also be your driving style....
I get 20l/100k and nothing wrong with my o2 sensors..

BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

Re: BrownDog's Jap NB

Postby BrownDog185 » Tue Oct 18, 2016 5:44 pm

Zac wrote:Gee 13l per 100 is way high. Congratulations, good luck on getting that fuel figure down


Cheers, me too haha, my 323 got nearly 800ks to a tank, and it had a turbo conversion done lol

rascal wrote:
BrownDog185 wrote:Forgot to mention I'm currently getting about 13l/100ks so I think it's time to change the o2 sensors

Could also be your driving style....
I get 20l/100k and nothing wrong with my o2 sensors..


Yeah I thought that too but I've been granny driving everywhere the last week with the the occasional blurt up the highway on ramp, not much has changed.....
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333

Magpie
Speed Racer
Posts: 7468
Joined: Fri Feb 11, 2011 12:49 pm
Vehicle: NA6
Location: Purga, QLD

Re: BrownDog's Jap NB

Postby Magpie » Tue Oct 18, 2016 6:42 pm

I just got 40ltrs/100 and this made me happy!

Zac
Driver
Posts: 89
Joined: Fri Jul 15, 2016 2:03 pm
Vehicle: NB8A

Re: BrownDog's Jap NB

Postby Zac » Wed Oct 19, 2016 10:19 am

Magpie wrote:I just got 40ltrs/100 and this made me happy!


Did you do a W16 Swap??
Just commit to it :NB8A:

Magpie
Speed Racer
Posts: 7468
Joined: Fri Feb 11, 2011 12:49 pm
Vehicle: NA6
Location: Purga, QLD

Re: BrownDog's Jap NB

Postby Magpie » Wed Oct 19, 2016 12:06 pm

E85 and track time :)

BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

Re: BrownDog's Jap NB

Postby BrownDog185 » Thu Oct 20, 2016 6:43 am

Magpie wrote:E85 and track time :)


Image
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333

BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

Re: BrownDog's Jap NB

Postby BrownDog185 » Mon Oct 24, 2016 12:39 pm

o2 sensor checked out fine, gave a little clean and it's a little better but still not great

Is there more to the stock airbox, Mine is just open at the bottom under the filter...
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333

BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

Re: BrownDog's Jap NB

Postby BrownDog185 » Mon Oct 24, 2016 12:45 pm

BrownDog185 wrote:o2 sensor checked out fine, gave a little clean and it's a little better but still not great

Is there more to the stock airbox, Mine is just open at the bottom under the filter...


Image

I answered my own question with my workshop manual
My box seems to be hacked up, so probly uses so much fuel as the motor is sucking nothing but hot air and injects more fuel to save itself
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333

rascal
Racing Driver
Posts: 1770
Joined: Fri May 16, 2008 1:39 pm
Vehicle: NB8A
Location: FarSE Melbourne

Re: BrownDog's Jap NB

Postby rascal » Mon Oct 24, 2016 1:16 pm

BrownDog185 wrote:My box seems to be hacked up, so probly uses so much fuel as the motor is sucking nothing but hot air and injects more fuel to save itself

Actually hot air is less dense than cold air so it would inject less fuel to match the lesser air content...

BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

Re: BrownDog's Jap NB

Postby BrownDog185 » Mon Oct 24, 2016 2:51 pm

rascal wrote:
BrownDog185 wrote:My box seems to be hacked up, so probly uses so much fuel as the motor is sucking nothing but hot air and injects more fuel to save itself

Actually hot air is less dense than cold air so it would inject less fuel to match the lesser air content...


By George your right!
Not myself today
Still gonna get a new box, not a fan of it sucking hot air
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333

BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

Re: BrownDog's Jap NB

Postby BrownDog185 » Tue Oct 25, 2016 4:06 pm

Well...
The government feels that don't need a license for 6 months so I guess the 5 is going in the shed for a while :(

Gives me plenty of time to mock up a manifold for the turbo and some exhaust piping though
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333

BrownDog185
Learner Driver
Posts: 14
Joined: Sun Oct 16, 2016 6:25 pm
Vehicle: NB Roadster

Re: BrownDog's Jap NB

Postby BrownDog185 » Mon Nov 07, 2016 8:52 pm

Image

Pile of stuff for the turbo build
More to come wednesday
BULIDING THE BEAST!!
viewtopic.php?f=57&t=73333


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