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All ECU's are plus
£15 postage to the UK
£18 any where else in Europe
NB: If buying more than one ECU I can do a
discount,
please ask me for more details.
Please contact me for setups
not on the list
Case Dimensions
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All my MS3 ECUs can have the MS3X board adding for £115 (including the MS3X loom) when ordering.
MS3X wiring Looms start from £45, depending on spark and injector quantity.
Those marked with ** already have the MS3X built-in and include a loom
(so no extra charge)
ECU Description:
Fuel only
RX7 Wankel twin rotor (13B FC ignition)
GM HEI
Distributor
Toyota VAST (2S-E, 22R-E, 22R-TE, 4Y-E & 4A-GE)
Toyota 24+1 Toothed Distributors (ESA) (wasted spark)
EDIS 4, 6, 8 and Ford TFI
4cy wasted (Zetec, Vauxhall, etc)
4cy COP wasted spark (VW, Ford, etc)
4cy COP Sequential ignition (VW, Ford, etc)
4cy COP Sequential Fuel and Ignition
5cy COP Sequential Ignition (Audi, Volvo)
5cy COP Sequential Fuel and Ignition
6cy wasted spark (VR6, Ford, etc)
6cy wasted spark with Semi-Sequential Fuel
6cy COP Full-Sequential Fuel and Ignition
8cy wasted spark (Rover V8, Lexus, etc)
Rover V8 Hotwire Plug-n-Play ECU (PnP)
8cy wasted spark with Semi-Sequential Fuel
8cy COP Full-Sequential Fuel and Ignition
12cy wasted spark |
MS1
£310
---
£325
£325
£325
---
£325
£340
£370
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---
---
---
£355
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£365
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---
---
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MS2
£360
£430
£375
£375
£375
£455*
£375
£390
£420
£475*
£475*
£490*
---
£405
£475*
---
£415
---
£475*
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£495 |
MS3
£450
£615**
£460
£460
£460
£505
£460
£475
£505
£615**
£615**
£615**
£615**
£490
£615**
£500
---
£615**
£615**
£575 |
NOTES:
* Includes the new MS2X card -
2 digital inputs (Launch, switchable maps, etc)
2 extra outputs (Boost, fan, warning light, etc)
up to 2 more injector drivers (giving a total of 4 for seq or semi-seq depending on engine)
See HERE
** Includes an MS3X board and MS3X loom -
The Spark outputs on these MS3 ECU's are 5V low current signals. They are designed to drive ignition coils with built in ignitors (LS2, VW, etc).
As they have the MS3X board within them, Launch, NOS, Cam input, Boost control, etc, is all integral and included within the ECU.
To drive COPs without ignitors you will need a Spark Driver Box, please see HERE |
All ECU's come with a labeled and colour coded wiring loom, comms lead + manuals
#16x16 Fuel table
#12x12 Spark table
# Rev limiter
# Overboost protection
# Mappable Air:Fuel Ratio targets
# WideBand or Narrow Band
# Coolant temperature related ignition timing advance
# Inlet Air temperature related ignition timing retard
# Manifold Absolute Pressure rate of change or Throttle Position
Sensor rate of change acceleration enrichment
# Overrun fuel cut
# Staged Injection
# Built in Air Density Correction
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The
Fuel Only ECU's allows fueling to be controlled on virtually
all types of engines, this can be modified at a later
date for ignition use if needed. The ECU will give you
control over your fueling with a 12x12 table (16x16
on MS2 and MS3), allowing you to tune the engine properly.
Note: This ECU doesn't control ignition as it is Fuel Only |
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This ECU is designed
to read the signal from the GM HEI module and
trigger the HEI to fire the coil through the distributor.
This ECU will give you control over your ignition
map (12x12 table) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly. |
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Click to Expand |
Toyota VAST
(2S-E, 22R-E, 22R-TE, 4Y-E & 4A-GE) |
The
Distributor based ECU's consists of a single
direct coil output for use in a distributor based setup
suitable for even fire 1, 2, 4, 5, 6, 8, 10 and 12
cylinder applications. It is ideal for engines with
a single coil (Distributor). These ECU's will give you control over your ignition
map (12x12 table) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly.
How to tell if you have a Hall sensor or a VR sensor
in your distributor |
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This ECU is designed
to read the input from the
Toyota VAST trigger wheel and then fire the
original ignitor.
(It can also fire the coil directly if you wish)
This ECU will give you control over your ignition
map (12x12 table) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly.
This includes a Tacho Output as standard
See HERE for more on the VAST setup. |
EDIS 4, 6 and 8
Electronic Distributorless
Ignition System (EDIS) |
Click to Expand |
Ford
TFI
Ford Thick Film Intergration
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This
ECU is designed to read the PIP output
from the very popular Ford EDIS (12 pinned) module and drive the module's
SAW input telling the EDIS which angle to fire
the coils at. It is ideal for a wasted spark setup
when wanting to use the Ford Edis module and coil
packs. These ECU's will give you control over your ignition
map (12x12 table) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly.
Also see my used EDIS6 and EDIS8 kits
(Used, Crank sensor(VR), EDIS module, coil packs,
HT leads, 36-1 ring and connectors)
This includes a Tacho Output as standard |
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This
ECU is designed to read the PIP output
from the very popular Ford TFI module and fire then send a signal
to fire the coil through the distributor.
This ECU will give you control over your ignition
map (12x12 table) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly. |
Wasted
Spark
4, 6, 8, 10 and 12 cy |
Click to Expand |
4
- 5 Cylinder Coil-On-Plug
(COP) |
This
setup has either 2 spark outputs (4cy), 3 spark outputs
(6cy), 4 for a V8, 5 for a V10 and 6 for a V12 making it perfect for running a wasted spark configuration
with coilpacks. This is also suitable for use with a single
coil (distributor based setup) when wanting to upgrade
your engine to wasted spark at a later date, please let
me know if this is the case. It is an ideal system for
Distributorless setups that have a crank sensor and wheel.
These ECU's will give you control over your ignition
map (12x12 table) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly.
For 12cy wasted engines the spark drivers
are in a Spark Driver Box see here, note this is included in the price for 12cy engines.
(Prices in the driver box image are for MS3X boards if they need drivers adding)
This includes a Tacho Output as standard |
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These
setups have a spark output for each cylinder.
Wasted Spark COP: This ECU is designed to run on a 4 cylinder engine with COP's.
This means that two COP's are fired together and only
needs a crank signal (e.g. 36-1, 60-2).
Sequential COP: If you have a suitable cam signal (1 pulse per revolution)
and crank signal (e.g. 36-1, 60-2) then we can now use
both these to give a Sequential COP setup, that
fires one plug at a time.
These ECU's will give you control over your ignition
map (12x12 table) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly.
This includes a Tacho Output as standard |
Sequential Fuel
Setup
4
Cylinder |
Click to Expand |
Semi-Sequential Fuel
Setup
6 - 8
Cylinder |
This ECU has 4 fuel injector outputs (8 if using the MS3 with an MS3X) so it can run each fuel injector in a fully sequential operation. See HERE for more on sequential fuel. This allows you to tune the exactly angle during the 4 stroke engine cycle that the fuel is squirted in for each cylinder. The ignition can either be coil packs (wasted spark) or COP sequential.
Please note: A suitable cam signal is needed to run full sequential (1 pulse per cam revolution) and a suitable crank signal (60-2, 36-1, etc)
High Impedance Injectors only!
These ECU's will give you control over your ignition
map 12x12 table (16x16 on MS3) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly.
The MS3 COP based setups have an MS3X board in them which gives you tacho output, launch control, NOS control, ADC inputs, etc see HERE for more. If using the MS3X then you'll need to use COPs with built in ignitors, e.g LS1, etc, as the MS3X board uses a low level spark output (5V) that can not directly fire coils without an ignitor. If the COPs dont have built in Ignitors then there is the option of adding a Spark Driver Box, see HERE |
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This setup has either 3 or 4 fuel injector outputs that can run the fuel injectors in pairs in a Semi-Sequential fuel pattern on a 6 or 8cy engine. This allows you to tune the exact angle the fuel is squirted in during the CRANK cycle, so half will be squirted in during the exhaust stroke (inlet valve shut) and the other half just before the inlet opens, see HERE for more on sequential fueling.
Please note this needs a suitable crank signal, e.g. 36-1, 60-2, etc.
High Impedance Injectors only!
These ECU's will give you control over your ignition
map (12x12 table) and your fueling with a 12x12
table (16x16 on MS2 and MS3), allowing you to tune the
engine properly.
This includes a Tacho Output as standard |
Sequential Fuel
Setup
6 - 8 Cylinder |
Click to Expand |
Rover V8 Plug-n-Play
Setup |
This ECU has 8 fuel injector outputs (so can run any engine up to an 8cy) sllowing each fuel injector to be controlled in a fully sequential operation. See HERE for more on sequential fuel. This allows you to tune the exactly angle during the 4 stroke engine cycle that the fuel is squirted in for each cylinder.
Please note: A suitable cam signal is needed to run full sequential (1 pulse per cam revolution) and a suitable crank signal (60-2, 36-1, etc)
High Impedance Injectors only!
This ECU will give you control over your ignition
map 16x16 table and your fueling with a 16x16, as well as fine tuning fuel and ignition for each cylinder, allowing you to tune the
engine to a very high accuracy!
The ignition can either be coil packs (wasted spark) or sequential COPs
The MS3 COP based setups have an MS3X board in them which gives you tacho output, launch control, NOS control, ADC inputs, etc see HERE for more. If using the MS3X then you'll need to use COPs with built in ignitors, e.g LS1, etc, as the MS3X board uses a low level spark output (5V) that can not directly fire coils without an ignitor. If the COPs don't have built in Ignitors then there is the option of adding a Spark Driver Box, see HERE |
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This ECU directly replace the Lucas Hotwire (14CUX) on TVR's, Morgans, Rovers, etc, etc.
After working closely with V8Developments, we have come up with a plug in replacement ECU for the Lucas Hotwire system (14CUX) . This gives you all of the benefits of the MegaSquirt ECU, mappable fuel (and ignition if you go for that option), without the hassle of any modifications to the main wiring harness. This is available as fuel only (straight swap for the Lucas ECU) or as a wasted spark setup, giving you distributorless ignition. The wasted spark ECU needs an ignition loom adding (supplied with the ECU) and a 36-1 wheel mounting on the crank, etc, but the basic Lucas loom is left as it was and is used to supply the throttle angle, coolant, air temp (from a new sensor), etc, to the MS ECU. This keep's your wiring as close to original as possible, so you don't lose any of the originality if that's a concern for you. See HERE for more details
The RV8 PnP ECU is exclusively available from V8Developments
for more details ring them on +44 (0)1775 750000
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Description of Options
MS1 Options
MS2 and MS3 Options
MS3 with MS3X Board
Description of Options:
(Note: When using the MS3X board on an MS3 ECU, many of these options are already included, so ignore the individual cost)
# NOS - Nitrous control (An
output to drive a relay coil that's triggered by a minimum RPM,
TPS, etc; It also uses an input that switches to a new timing map
or fixed ignition retard. Can be used as an Anti-Lag for turbo applications
too. Buffered, flywheel protection circuit +£12 Please Note: This is counted as 2 options,
1 for the input, 1 for the output, so only 2 more can be
added) See HERE for more details
#NOS - Nitrous control for MS2-Extra Only (up
to 2 outputs to drive a dual stage or single stage NOS setup that's
triggered by a minimum RPM, TPS, etc; It also uses an input that
switches to a new timing map or fixed ignition retard. 2
x Buffered, flywheel protection circuit +£15 for 2 outputs or +£12 for 1 output Please
Note: This is counted as 2 or 3 options, 1 for the input, 1 or 2
for the outputs) See HERE for more details.
# Switchable map tables for Fuel or Spark or Boost or any combination (Switches between 2 maps e.g. LPG and
Petrol, etc; Buffered and protected circuit +£5) See HERE for more details
# Boost control (Target values for boost
levels depending on TPS and RPM, controlling the turbo's waste gate high powered FET driver +£10
†) See HERE for more details
# 38PSI of boost (400KPa) Manifold Pressure Sensor (The
standard MAP sensor is capable of detecting 21PSI of boost, in some rare cases
this may not be enough, so a 38PSI (400KPa) sensor can be fitted. +£55) See HERE for more details (This is not part of the MS3X board, so will need adding to the order)
# Water injection control for MS1-Extra and MS3 Only (Pulsed water
injection output to give a proportional water ratio using a fast
acting valve and a water pump relay output high powered FET driver for the valve and
a buffered, flywheel protection
circuit for the control relay +£15 For water
pump relay control ONLY buffered, flywheel
protection circuit +£5) See HERE for more details
# Dual EGO sensor support (Filter components
for a 2nd separate Lambda sensor, 1 for each bank of a V6 or V8 +£5)
# Shift / Warning Light (I can add a single
output that can be switched by several sources e.g. Air temp, RPM,
coolant buffered, current limited circuit
ready to directly connect to an LED +£5 Includes a red LED please remind me though, as
I tend to forget to include it from time to time :o( See HERE for more details
# Launch Control / Flat shift (Limit RPM
during takeoff / shifting to get a better 1/4 mile time Buffered and protected circuit +£8) See HERE for more details
# Real-time (Constant) Barometric Correction (Really
only suitable for hill climbers or mountain dwellers includes filtering circuit and a second MAP sensor fitted internal
to detect atmospheric pressure +£25) (This is not part of the MS3X board, so will need adding to the order)
# Cooling Fan programmable output (An
output that controls a relay for your cooling fan. This has a programmable
ON temperature and a programmable OFF temperature built
in flywheel protection, buffered circuit +£5) See HERE for
more details.
# Up to 4 programmable Outputs (A driver
to control a relay built in flywheel protection,
buffered circuit +£5 each) See HERE for more details
# Knock sensor input (Connection wiring
only!! This needs a pre-built knock circuit,
see HERE for more
details. FREE internally wired only!!!)
# Dual wheel decoder/2nd trigger input (For a second hall sensor input opto
protected circuit with hall conditioning +£15 For a second VR sensor input including separate
VR conditioning circuit +£35)
Up to 4 additional items like, launch, prog outputs,
knock, etc can be added to a standard MS ECU
(The MS3X board has more options built in).
For more info on these functions please
contact me.
† - This code is experimental although some
people have had some considerable success with the system.
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MS1 Option Configuration
Two functions in the same row can NOT be used together!
e.g. NOS and Water Injection as they are not used in another pad, etc,
but NOS and Tacho could, as tacho can come from JS3.
Pad |
Function A |
Function B |
JS0 |
Cooling Fan Relay |
Water Injection Water Pump
Relay |
JS1 |
NOS Relay Output |
Water Injection PWM Output Water
Valve ¡ |
JS2 |
Programmable Output 1 |
Boost Controller PWM Output ¡ |
JS3 |
Programmable Output 2 |
Tacho output |
JS5 |
Constant
Barometric Correction |
Second O2 sensor |
JS7 |
Spark E
(5 COP - 10 and over wasted spark setups) |
... |
JS8 |
Second Trigger Input |
... |
JS9 |
NOS Input (To switch tables
or retard ignition) |
Switch VE and or Ignition
map and or Boost target Tables |
JS10 |
Spark F
(12cy wasted spark setups) |
Knock Input |
JS11 |
Launch Control input |
... |
D14 |
Spark A
(Used for vertually all ignition setups) |
... |
D15 |
Spark C
(6cy and over wasted spark setups) |
Programmable Output 4
(Cooling Fan Relay) |
D16 |
Spark B
(4cy and over wasted spark setups) |
... |
R1 |
Spark D
(8cy and over wasted spark setups) |
Programmable Output 3 (Timed
delay possible) |
¡ Not recommended to use these together.
Note: Most outputs can be set for Tacho, ExtraEFI.co.uk uses JS3 if available.
MS2 and MS3 Option Configuration
Any function in the same row (A B C D E or F) can NOT be used together!
(e.g. if your using a
Stepper motor for idle you can not use NOS control as its not used in another
pad, etc,
but Stepper motor and Tacho could as Tacho can come from JS11, or others.)
Please note: For MS3 ECU's without an MS3X board you can have the same options as the table below.
If you go for an MS3X board then you will get THESE options all built in, so ignore the table below.
Pad |
A |
B |
C |
D |
E |
F |
JS0 |
Stepper Motor (JS0 - JS3) † |
Programmable Output |
Tacho
Output |
NOS Relay Output (Stage 1) |
Boost Control PWM Output |
... |
JS1 |
Stepper Motor (JS0 - JS3) † |
... |
... |
... |
... |
... |
JS2 |
Stepper Motor (JS0 - JS3) † |
Programmable Output |
Tacho
Output |
NOS Relay Output (Stage 2) |
Boost Control PWM Output |
... |
JS3 |
Stepper Motor (JS0 - JS3) † |
... |
... |
... |
... |
... |
JS4 |
Constant Barometric Correction |
Knock Input |
Launch Control Input |
Second O2 input |
NOS Input |
Spark F
(12cy wasted spark setups) |
JS5 |
Constant Barometric Correction |
Knock Input |
Launch Control Input |
Second O2 input |
NOS Input |
Spark E
( >= 10cy wasted spark setups) |
JS7 |
... |
... |
... |
... |
... |
Switch VE and or Ignition
map Tables |
JS10 |
Second Trigger Input |
Launch Control Input |
Tacho Output |
EDIS SAW output |
NOS Input |
... |
JS11 |
Spark D
(>=8cy wasted spark setups) |
Launch Control Input |
Tacho Output |
Programmable Output |
Boost Control PWM Output |
... |
D14 |
Spark A
(Vertually all igntion setups) except EDIS |
Programmable Output |
Tacho Output |
... |
... |
... |
D15 |
Spark C
( >= 6cy wasted spark setups) |
Programmable Output |
Tacho Output |
... |
... |
... |
D16 |
Spark B
( >= 4cy wasted spark setups) |
Programmable Output |
Tacho Output |
... |
... |
... |
FIdle |
PWM Idle Valve Control (2
or 3 wired valves) |
Tacho output |
Programmable Output |
Boost Control PWM Output |
... |
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† All 4 (JS0-JS3)
pads are used for the stepper motor if selected!
Note: Most outputs can be set for Tacho, ExtraEFI.co.uk uses
JS11 if available.
Please Note:
You don't need the MS3X in order to have some of these options on an MS3 ECU (or any of the MS ECU's I sell).
Some are available as add ons to the main board without the MS3X, see the MS2 and MS3 Options Tab above for more details.
The MS3X board is a module that plugs into the MS3 daughter board. This makes the MS ECU 3 layers high:
1: Main board (V3.0 or V3.57)
2: MS3 daughter Board
3: MS3X expansion board.
This option is only available for the MS3 ECU and it gives you the following inputs and outputs:
8 x Logic Level Spark Outputs - These are 5V triggers for COPs with built in ignitors (e.g. Yukon LS2) and can NOT drive a coil directly.
8 x High Current Injector Bank Drivers - These are capable of driving high impedance injectors (NOT lo-impedance)
4 x Logic Level Inputs - 3 that need to switch to ground, 1 that needs to switch to +12V. They can be used to control options like Launch, datalogging, N2O, switch maps, etc.
6 x Medium Current Outputs - For controlling NOS, Idle valves, Boost valves, tacho, etc.
3 x Spare ADC inputs - 0-5V inputs for second O2, etc.
1 x VR / Hall sensor input - This gives the ECU a total of 2 trigger inputs, e.g. one for the cam and one for the crank.
All my MS3 ECUs can have the MS3X board adding for £80.
MS3X wiring Looms start from £30, depending on spark and injector quantity.
Those marked with ** already have the MS3X built-in and include a loom
(so no extra charge)
Please Note:
You don't need the MS3X in order to have some of these options on an MS3 ECU (or any of the MS ECU's I sell).
Some are available as add ons to the main board without the MS3X, see the MS2 and MS3 Options Tab above for more
How to Order
I accept PayPal,
cheque or postal order as payment.
But please contact
me with your setup details, before purchasing, so I can advise
you the best ECU for your project.
I can then setup the ECU with a base setup to give you a slight
head start.
I'd rather you bought what you really need and were 100% happy before
going forward with your purchase, thats why I don't have a basket/shop
function on the site.
Please Note:
Generally there is a 2 week lead time between payment and dispatch,
this can vary a little depending on current work loads, stock levels,
mods you require, etc.
 All products are posted using Royal Mail's
UK Special Delivery £18
(fully insured and sign for next day delivery in the UK)
International Standard £22
(sign for and insured)
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MS1 and MS2 
MS3
