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Hi all I always wanted to start my own diary of my astra c20xe conversion. I have been restoring the car since 2017 (!!) when I came back to Cyprus from the UK and finally got a c20xe in my hands. We had the car in the family since 1997, basically from new, and I have always taken good care of...

Hi guys Looking to upgrade my radiator that will go in my astra restoration project. The car has a/c and I would like to keep it, dont want to drive in 40°C+ without it here in Cyprus! So, took the stock one out the other day and noticed the two sensors on it; one for the fan switch and...

A bif of an unorthodox question.. but has anyone ran a c20xe aircon system on a megasquirt ecu? My astra mk3 has the original aircon setup, just need to figure out the wiring on the ecu side (there are three wires basically). Any help would be much much appreciated.

Hi guys, my C20XE manifold pressure is a bit higher than usual (plays between 40-55kPa) compared to the normal 30kPa that it should be. This makes the idle a bit rough.. I am running on Megasquirt MS2 V3, and upgraded fast road camshafts. Anyone experienced this kind of situation before?

After years of online research I have gathered quite some material on electrical wirings for various MK3 types and engines. As free online resources are now becoming scarce, I have decided it is of best practice to share everything to the community. So feel free to download anything you want...

Hi guys Looking to put a redtop in my astra diesel. Could anyone give some input on wiring? As far as I know on the 1.4 swap the redtop ECU wires connect under the driver's footwell using the 3 small connectors. However on the diesel setup, the ECU wires of the redtop engine should terminate...

As per the title how straight forward is it to put a c20xe in an x17dt astra f in terms of wiring?

Can someone pinpoint where all ground connection points are on the Astra F MK3 C20XE engine? Looking for all points inside the car, behind the dash, engine bay etc. Thanks in advance!

Hi guys Quick question, is the gsi rad the same as the 1.4, 1.6l one?

Hi Just a bought a set of brand new INA lifters for my noisy xe. Do I need to squeeze some oil through for them to gain pressure or just put them straight in as they are? They seem preoiled from factory. Thanks in advance

As per thread title, looking for QED throttle bodies kit without the aftermarket ecu. Thanks

Hi guys Looking to get some more power from my xe. Currently running on megasquirt v2, piper cams fast road bp270h (both inlet and exhaust) and upgraded front brakes. What would someone recommend to upgrade next? I do know that itbs are highly popular, but I want to gather all opinions before...

Can anyone point out as to what cams are these? Bought the engine as is without any history. Don't look standard and can't find any original part number on either inlet or exhaust.. Inlet says BP270H 057L Exhaust says BP270H 087L Thanks

Hi guys Anyone knows the dimensions of the o'ring around the c20xe crank sensor? Part number should be 90307502. Thanks

Anyone knows the standard gap between the trigger wheel and the crank sensor on the c20xe? Thanks

Hey guys what's the best spot to mount the Megasquirt MS2 in the GSI? Any pictures would be appreciated. I believe they are quite thick not sure if they actually fit under the stock ecu location. Thanks

Hi guys Can you delete the traction control module from the late type xe? The manifold butterfly will be also removed. Thanks in advance

Hi guys Is there any part number list for all engine sensors that are on the astra c20xe late coilpack? Thanks in advance

Right.. Its been nearly 3 years now and the car hasn't run properly after my c20xe conversion. I have had 4 different mechanics look on to it but still to no avail car idle is rough, engine shakes and pops. I have replaced all sensors, pumps, filters, restored wiring etc etc.. The last...

Hi guys I have converted my old 10pin c20xe diagnoatics to the late 16pin obd 2 and passed through a diagnostic scanner. I get a bunch of weird fault codes with description "Unknowm fault code" . Anyone faced this before? Codes are: 03, 840, 810, 850, 830, 730