Buying Megasquirt for a Punto GT
There are lots of places to buy megasquirt, I bought from here:http://diyautotune.com/
In the uk you can buy Megasquirt from www.extraefi.co.uk
You can but the ecu ready built or in kit form, to save money I went for the kit.
Heres a full list of parts and prices
MS130-K $187 - Megasquirt kit with V3.0 PCB - ECU Kit
MapDaddy4 $65 - 4 bar MAP sensor with barometric correction - Better map sensor standard one is 2.5 bar, 2.5 bar can only run up to 1.5 bar boost as the first bar is atmospheric pressure
MK-BIP373 $9.50 - Second ignition driver to run the standard fiat coilpack
MK-PWMIAC $7 - Mod kit for PWM Idle control - Mod to run standard fiat idle control valve
MK-Boost $7 - Boost control mod kit - For Closed Loop Boost Control
GM_BoostSol $24 - Boost control solenoid
GMBoostPiggy $14.50 - 6" pigtail connector for boost solenoid
SM-WireBund 23" $12 - 23" Wiring harness
TuneCable $5.50 6' DB9 - Tuning cable - Cable to laptop
USB-2920 $20 - Serial to USB adaptor - Only needed if your laptop doesn’t have a true DB9 port
When you buy the ecu they will ask some questions.
Punto GT has:
VR sensor on 60-2 wheel
Wasted spark - You will need two coil drivers
Three wire Idle control valve - You will need PWM idle control
