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99 NB1 Miata Firmware Update

Last post by Deerbonker « Wed Oct 12, 2022 4:04 am
Replies: 2
by Deerbonker » Sat Oct 08, 2022 2:35 am

Hello all,
I'm Ant and I have a (redneck) supercharged NB1. My background is tuning and building giant obnoxious carb and distributor engines, with...

2 Replies

15737 Views

Last post by Deerbonker
Wed Oct 12, 2022 4:04 am
Hellen Ford Taurus SHO

Last post by AndreyB « Mon Sep 19, 2022 10:35 pm
Replies: 6
by duhafnusa4 » Mon Jun 13, 2022 7:16 pm

My secret projects. Maybe will work with Ford 5.0 hellen?

ECU pinout

image.png

6 Replies

18176 Views

Last post by AndreyB
Mon Sep 19, 2022 10:35 pm
SD Log Dates Inaccurate

Last post by AndreyB « Fri Sep 09, 2022 11:50 pm
Replies: 1
by 10AE0739 » Fri Sep 09, 2022 6:34 pm

I've noticed that the dates of the SD logs are inaccurate in my NB1 Hellen ECU. I have used the console to update the date and it updated correctly...

1 Replies

10610 Views

Last post by AndreyB
Fri Sep 09, 2022 11:50 pm
Hellen88 ETB support

Last post by Creesic « Sat Aug 06, 2022 6:58 pm
Replies: 26
by Creesic » Sat Jan 01, 2022 12:12 am

Running it by Andrey, seems as though the BMW Hellen 88 board will support an ETB. I'm doing this to delete the clunky factory IAC to make some room,...

26 Replies

43119 Views

Last post by Creesic
Sat Aug 06, 2022 6:58 pm
White 96/97 miata

Last post by AndreyB « Sat Jul 02, 2022 2:12 am
Replies: 7
by AndreyB » Thu Jun 23, 2022 4:19 pm

I will be borrowing a white miata just to go visit a dyno and show off.

has pointed me at and we shall figure out the official part number of both...

7 Replies

29258 Views

Last post by AndreyB
Sat Jul 02, 2022 2:12 am
hellen121nissan in 350z nissan body but vq30det vq30 engine

Last post by AndreyB « Wed Jun 01, 2022 11:24 pm
Replies: 10
by Mad Rat » Wed May 25, 2022 7:29 pm

Trying to use hellen121nissan in 350z body but with non-stock vq30det engine with untested trigger

10 Replies

15400 Views

Last post by AndreyB
Wed Jun 01, 2022 11:24 pm
Help Needed: Mercedes 190E M111 Swap (Hellen 128)

Last post by dexter_lab « Sat May 21, 2022 5:49 am
Replies: 5
by WagemaWandimi » Mon Apr 25, 2022 3:18 am

Hi everyone :D

I am Joel from Melbourne, Australia.

I'm doing an M111 swap on a 190E, with a 6 speed manual SLK gearbox. I have also made a custom...

5 Replies

14686 Views

Last post by dexter_lab
Sat May 21, 2022 5:49 am
Hellen64 revb 91Miata VSS

Last post by Kristian « Tue May 17, 2022 9:28 am
Replies: 5
by Kristian » Sat May 14, 2022 8:22 am

Hi, I've wired up temp VSS signal from the dash. I have confirmed that the dash output is 5 volts when high, and 0 volts when low, and that it...

5 Replies

15067 Views

Last post by Kristian
Tue May 17, 2022 9:28 am
Hellen128 / Burned Ignition driver mosfet

Last post by FineWhine « Sun May 08, 2022 6:26 pm
Replies: 14
by FineWhine » Sat Oct 23, 2021 4:37 pm

Short story: programmed it to work with TB, Pedal, and enabled starter via firmware update and soldered P5 to P35 and P31, starter working correctly...

14 Replies

20550 Views

Last post by FineWhine
Sun May 08, 2022 6:26 pm
TS KIA TPS calibration

Last post by Kristian « Sun Apr 10, 2022 12:04 am
Replies: 4
by Kristian » Sat Apr 09, 2022 10:48 pm

Hi, I'm having an issue with the TPS on a 91 Miata, I've recently purchased a 91 PNP hellen rev B unit. I have swapped out the TPS for a Kia unit,I...

4 Replies

13761 Views

Last post by Kristian
Sun Apr 10, 2022 12:04 am
Hellen 128 question m113 5.0

Last post by md_sanci « Sun Mar 13, 2022 9:00 pm
Replies: 2
by zlatko » Sun Mar 13, 2022 7:49 pm

Hello, I have m113 5.0 306hp and want to make it run with manual trans... So my question is can the hellen128 become with software or I need to make...

2 Replies

11605 Views

Last post by md_sanci
Sun Mar 13, 2022 9:00 pm
[help needed] Hellen H72d alternator inop

Last post by BeerMoneyMotorsports « Sun Nov 28, 2021 6:26 pm
Replies: 2
by BeerMoneyMotorsports » Sat Nov 27, 2021 8:05 pm

Hellen NB2 board is no longer activating the alternator charging. Worked at first and then stopped. Stock ecu is functioning correctly and charging...

2 Replies

12887 Views

Last post by BeerMoneyMotorsports
Sun Nov 28, 2021 6:26 pm
NA6 board communication issues with Mac

Last post by BeerMoneyMotorsports « Tue Nov 16, 2021 5:28 pm
Replies: 7
by slokart_mx5 » Tue Nov 16, 2021 2:33 am

I have a Hellen NA6 board for my 91 Miata.

Before installing the board into the car I went through the steps on the set-up guide to have the board...

7 Replies

17087 Views

Last post by BeerMoneyMotorsports
Tue Nov 16, 2021 5:28 pm
Hellen NA6 Wideband Issue

Last post by Keith « Fri Nov 12, 2021 1:06 am

by Keith » Fri Nov 12, 2021 1:06 am

I have tried to use the internal wideband controller with no success. What I notice happening is that the sensor begins to heat as the car is started...

0 Replies

16572 Views

Last post by Keith
Fri Nov 12, 2021 1:06 am
Hellen NB2 Pin Error while driving

Last post by BeerMoneyMotorsports « Wed Nov 03, 2021 11:42 pm
Replies: 11
by BeerMoneyMotorsports » Wed Nov 03, 2021 6:13 pm

During a normal drive in an NB2 with H72d, the tach dropped out and engine stalled. Tuner Studio showed critical error below. TS was connected but...

11 Replies

19419 Views

Last post by BeerMoneyMotorsports
Wed Nov 03, 2021 11:42 pm
[Solved] NB2 VVT Issue

Last post by BeerMoneyMotorsports « Tue Nov 02, 2021 11:35 pm
Replies: 23
by BeerMoneyMotorsports » Thu Oct 28, 2021 3:03 pm

NB2 Miata H72D. Customer reported that VVT response would drop out intermittently. It is captured in the log screenshot below. I am waiting on the...

23 Replies

30117 Views

Last post by BeerMoneyMotorsports
Tue Nov 02, 2021 11:35 pm
2003 Honda Element

Last post by AndreyB « Tue Nov 02, 2021 8:41 pm
Replies: 16
by AndreyB » Mon Mar 01, 2021 12:25 am

I might be able to borrow a starting & driving 2003 Honda Element on it's last breath. It's loud and there is some talk about only running on three...

16 Replies

26415 Views

Last post by AndreyB
Tue Nov 02, 2021 8:41 pm
Did I corrupt the Hellen 72c board?

Last post by BeerMoneyMotorsports « Mon Oct 18, 2021 3:49 am
Replies: 21
by Mikeymx5 » Fri Sep 24, 2021 2:14 pm

This is day 2 with my Hellen 72c so I don’t have much to go on what is normal behavior. And I have not been able to sit down and familiarize my self...

21 Replies

27568 Views

Last post by BeerMoneyMotorsports
Mon Oct 18, 2021 3:49 am
[help needed] 1992 Mercedes 190e M111 swap

Last post by augenblick « Sat Oct 02, 2021 10:19 pm
Replies: 3
by wearslogan » Sat Oct 02, 2021 12:20 am

Hey Everyone, my name in Logan I'm working on swapping my 92 190e 2.3 n/a motor for a 2001 slk230k motor. Motors in the car with the stock slk engine...

3 Replies

14238 Views

Last post by augenblick
Sat Oct 02, 2021 10:19 pm
Schematic and PCB review - custom rusEfi board Subaru svx eg33

Last post by Dron_Gus « Mon May 31, 2021 7:39 am
Replies: 28
by Dron_Gus » Sun Dec 30, 2018 1:44 pm

Hi All,

I'm finishing my own RusEFI fork PCB. It would be nice if someone can review and comment schematic. (and PCB later).
So it is STM32F7xx (144...

28 Replies

49672 Views

Last post by Dron_Gus
Mon May 31, 2021 7:39 am

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