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You and your build
Your chance to introduce yourself and your vehicle
Topics: 707

707 Topics

15573 Posts

Last post Re: Has anyone used these on …
by AndreyB View the latest post
Mon Jan 12, 2026 2:26 pm
Universal Boards
From Frankenstein to Proteus and everything in between
Topics: 61

61 Topics

641 Posts

Last post Re: Uaefi tachometer setup ex…
by Wombat View the latest post
Sun Jan 11, 2026 3:48 am
Plug In Boards
This means Hellen
Topics: 20

20 Topics

213 Posts

Last post Re: 99 NB1 Miata Firmware Upd…
by Deerbonker View the latest post
Wed Oct 12, 2022 4:04 am
Tuning Support: Making it Run
Tuning, troubleshooting and the nitty gritty of using rusEFI to make your engine run nicely!
Topics: 133

133 Topics

960 Posts

Last post Re: Electronic Throttle Body …
by RGr View the latest post
Sun Dec 14, 2025 9:43 pm

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128 topics

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[README] rusEfi map: who is where? map in the first message

Last post by molak « Sun Nov 09, 2025 5:14 am
Replies: 118
by AndreyB » Mon Jan 09, 2017 4:18 am
1

2

3

4
Post here to be added or removed.
118 Replies

481540 Views

Last post by molak
Sun Nov 09, 2025 5:14 am
rusEFI online

Last post by AndreyB « Fri Oct 10, 2025 11:37 am
Replies: 21
by AndreyB » Fri May 08, 2020 4:42 am

is a way for us to share our tunes.

Some documentation at

HOWTO_upload_tune

rusEFI Commander is a hardware device based on Raspberry Pi 3 Model...

21 Replies

120856 Views

Last post by AndreyB
Fri Oct 10, 2025 11:37 am
[info] Stuff for sale. Stuff you want.

Last post by AndreyB « Fri Feb 16, 2024 4:45 am
Replies: 9
by AndreyB » Sun Sep 05, 2021 2:35 pm

rusEFI LLC sells relevant stuff. Most of the goods are linked directly from

New category is plastic covers for breakout boards - three are already...

9 Replies

66524 Views

Last post by AndreyB
Fri Feb 16, 2024 4:45 am
[README] Setting up the board with pre-compiled binaries

Last post by AndreyB « Thu Apr 25, 2019 11:58 am
Replies: 58
by AndreyB » Fri Nov 15, 2013 5:31 pm
1

2
There were no releases yet - all the changes to the source code are automatically compiled and available at our build_server folder.

You would need...
58 Replies

402789 Views

Last post by AndreyB
Thu Apr 25, 2019 11:58 am
Ignition cut function.

Last post by Korasi « Wed Jan 14, 2026 9:02 am

by Korasi » Wed Jan 14, 2026 9:02 am

Hi, I purchased a UAEFI board, I have an V6 engine, and I want to stop spark on 3 cylinders when the ecu receives a ground input. Which pin do I use...

0 Replies

40 Views

Last post by Korasi
Wed Jan 14, 2026 9:02 am
ECU suggestion?

Last post by ConceptzX « Tue Jan 13, 2026 11:52 am
Replies: 5
by ConceptzX » Thu Jan 08, 2026 3:35 pm

Hello, I have a LMM Duramax diesel I'd like to learn on before swapping to a L5P engine. I'm doing compound VGT turbos and would like a suggestion as...

5 Replies

253 Views

Last post by ConceptzX
Tue Jan 13, 2026 11:52 am
Toyota 80 Series 1FZ-FE Trigger

Last post by joel.fitz « Mon Jan 12, 2026 12:14 pm
Replies: 6
by DanielGaviria » Fri Nov 10, 2023 4:03 am

Hello everyone

I am planning to install an mRE r0.6.0 in this truck that initially had a diesel engine and they installed a 1FZ-FE gasoline engine...

6 Replies

19223 Views

Last post by joel.fitz
Mon Jan 12, 2026 12:14 pm
Mercedes 190e M102 UAEFI conversion

Last post by Giobs « Mon Dec 29, 2025 1:13 pm
Replies: 11
by Giobs » Sun Oct 05, 2025 9:39 pm

Hi everybody!
I'm Gioele, an Italian almost mechanical engineer (just finishing my studies, i'm still at uni) with a strong passion for both old cars...

11 Replies

7717 Views

Last post by Giobs
Mon Dec 29, 2025 1:13 pm
Honda b Series trigger problems

Last post by Koullisgg « Sat Dec 27, 2025 5:13 pm
Replies: 4
by Koullisgg » Thu Dec 25, 2025 5:31 pm

Merry Christmas to everyone
I hope you’re all having a great holiday.

I’m looking for some help with a trigger issue on my uaEFI ECU.

Setup:

24...

4 Replies

688 Views

Last post by Koullisgg
Sat Dec 27, 2025 5:13 pm
Harley 2005 Early Delphi J1850 EFI

Last post by mpgmike « Sat Dec 13, 2025 2:25 am
Replies: 1
by RocketricianFL » Thu Dec 04, 2025 4:59 pm

Hello all, I have a 2005 touring Harley with the early cable operated Delphi J1850 ECU. I am using a dynojet power vision 4 for tining. Had it just...

1 Replies

1070 Views

Last post by mpgmike
Sat Dec 13, 2025 2:25 am
uAEFI - Serial over WIFI for TS coms

Last post by AndreyB « Mon Dec 01, 2025 8:37 pm
Replies: 8
by MWP » Wed Nov 26, 2025 4:52 am

Hi all,

I'm trying to use a ESP32 (wifi to serial bridge) on the 2nd calibration channel on a uaEFI.
It all looks good, but when i hit the TS coms...

8 Replies

2899 Views

Last post by AndreyB
Mon Dec 01, 2025 8:37 pm
2 cylinder lawn mower with OEM fuel injection

Last post by Automate « Mon Nov 24, 2025 5:00 pm
Replies: 3
by Automate » Tue Jul 08, 2025 11:36 am

Looking to put a uaEFI on a 2 cylinder engine with OEM fuel injection running a garden tractor.

Requirements are quite different than typical...

3 Replies

30350 Views

Last post by Automate
Mon Nov 24, 2025 5:00 pm
New to RusEFI, need wbo2 help

Last post by midengc8 « Mon Nov 17, 2025 1:03 am
Replies: 7
by midengc8 » Sat Nov 15, 2025 1:02 am

Setting up uaEFI , trying to get the wbo2 to work, went through the process of update the firmware and turn on all the necessary can bus and o2...

7 Replies

3227 Views

Last post by midengc8
Mon Nov 17, 2025 1:03 am
24-1 TRIGGER BUT NO MISSING TEETH

Last post by thefastelephant « Wed Nov 12, 2025 6:14 am
Replies: 2
by thefastelephant » Mon Nov 10, 2025 11:24 am

Hello,

Am attaching the trigger pattern and the flywheel of an already EFI model single cylinder motorcycle.

Will it work with the firmware/board...

2 Replies

2394 Views

Last post by thefastelephant
Wed Nov 12, 2025 6:14 am
Subaru Pedal Error

Last post by mpgmike « Sat Nov 01, 2025 5:17 pm
Replies: 6
by Renegade » Fri Feb 23, 2024 9:45 pm

Hello, I'm new to rusEFI, I got the uaEFI and trying to setup ETB and Pedal using a 2008 Subaru STi ETB and Pedal cant seem to get it working, wired...

6 Replies

9003 Views

Last post by mpgmike
Sat Nov 01, 2025 5:17 pm
rusEFI use in aircraft

Last post by benassi124 « Mon Oct 13, 2025 6:41 pm
Replies: 4
by TwitchFlys » Wed Oct 08, 2025 2:53 am

I tried to post about my project, using rusEFI in an ultralight aircraft. I had no idea until my post was rejected that the EULA prohibits usage in...

4 Replies

7201 Views

Last post by benassi124
Mon Oct 13, 2025 6:41 pm
Non standard indle control

Last post by molak « Sat Oct 04, 2025 1:35 pm
Replies: 2
by wengacz » Tue Sep 30, 2025 8:52 pm

Hi!

I'm planning on putting UAEFI in my Skoda Felicia 1.3MPI however I might have come upon a major problem.
It uses a non standard idle control...

2 Replies

6671 Views

Last post by molak
Sat Oct 04, 2025 1:35 pm
Question- Ignition timing logic

Last post by Mykk « Thu Oct 02, 2025 11:53 pm
Replies: 8
by Mykk » Wed Oct 01, 2025 4:44 pm

I have a Mega100 STM32F4 on a Speeduino UA4C running a supercharged BMW V8 in paired cylinder injection and COP waste spark.

I like to keep...

8 Replies

8907 Views

Last post by Mykk
Thu Oct 02, 2025 11:53 pm
Custom Trigger shape Bosch Quickstart spinning backwards

Last post by AndreyB « Thu Sep 25, 2025 7:20 pm
Replies: 5
by DrahtFahrzeugHammer » Wed Sep 24, 2025 5:48 pm

Hi everyone,

I need some help with my Volvo 850 project . As i mentioned in the project thread already, i have an issue with the camshaft trigger...

5 Replies

11659 Views

Last post by AndreyB
Thu Sep 25, 2025 7:20 pm
GM e38 with 24x engine

Last post by jay.mead « Wed Sep 24, 2025 3:39 am

by jay.mead » Wed Sep 24, 2025 3:39 am

I've got everything wired, as far as I can tell correctly.
I can get the motor to fire on 24x 5 degree setting, but its constantly losing sync. I had...

0 Replies

7016 Views

Last post by jay.mead
Wed Sep 24, 2025 3:39 am
No throttle to ETB connection after RusEFI update

Last post by Lambo97 « Sat Sep 13, 2025 5:06 pm
Replies: 5
by Lambo97 » Sat Sep 13, 2025 3:21 pm

Hey there everyone been a while since we updated our Proteus boards. I don't loaded the latest RusEFI update for the Proeus V4 board did the update...

5 Replies

10778 Views

Last post by Lambo97
Sat Sep 13, 2025 5:06 pm
pins that do not exist, or do not work

Last post by mak_paint « Wed Sep 10, 2025 2:37 am
Replies: 3
by mak_paint » Fri Dec 20, 2024 10:59 pm

hello everyone, my name is Alberto Midian, i'm new to the rusefi world, i want to thank you all in advance for your help and i would like to ask a...

3 Replies

19959 Views

Last post by mak_paint
Wed Sep 10, 2025 2:37 am
Cam trigger wheel identification

Last post by feraty « Tue Sep 09, 2025 6:50 pm
Replies: 9
by feraty » Mon Sep 08, 2025 7:10 pm

Hey,

Has anyone seen this kind of trigger, I know the 4 tooth big/small kind.
I've also been thinking about cutting it down to 1 tooth, but people...

9 Replies

13578 Views

Last post by feraty
Tue Sep 09, 2025 6:50 pm
Board selection and cam position sensor

Last post by Jkbxhero « Mon Sep 08, 2025 1:31 pm
Replies: 2
by Jkbxhero » Sat Sep 06, 2025 4:35 pm

Hi all,
I'm finally doing this. I need some community help though. First, I'll be starting this efi swap in January and I will 100% become...

2 Replies

11929 Views

Last post by Jkbxhero
Mon Sep 08, 2025 1:31 pm
BMW V8 T-bucket build

Last post by Mykk « Wed Aug 27, 2025 3:18 pm
Replies: 4
by Mykk » Mon Aug 25, 2025 12:32 pm

Hello.

I am currently experimenting with a Mega100 running RusEFI firmware in a Speeduino UA4C. Had the first test drive yesterday, the VE started...

4 Replies

16999 Views

Last post by Mykk
Wed Aug 27, 2025 3:18 pm

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