- EDS Phase 3 boost
- Boost vs Power
- Boost gage
- Keeping the actuator noise rather than dumpvalve
- z20let coil pack,where from??
- M-Tech Sports Clutch Kit
- Boost gage
- engine electronics fault
- Courtenay stage4
- jst got bk frm courtenay sport
- Z20let tuning near west mids.????
- z20let error codes
- z20let head
- Any turbo problems?!
- emissions light
- Vectra B GSi airbox?
- C20let airbox
- z20let replacement turbo
- Part number & help with coolant level sensor
- Possibly another AFM Thread!
- Can anyone in the Leicester area help?
- 99 astra g cooling
- fault code help
- Sourcing a new turbo.
- strange problem(s)
- remapped ecu
- Burning oil
- Where to get an exhaust centre section for Z20LET?
- Where's the Thermostat located on a Z20LET?!?
- coupe turbo accelerates on its own???
- My intercooler fitted
- VXR Nurburgring issues????
- Oil Change....
- is there a how on fitting a baileys
- Help Leak! does anyone know what this is???
- Help Please
- can anyone help
- Z20LET Air Flow Meter - where from?
- Yet another set of NGK knackered
- precat pipe
- 1.9 Airbox Mod Problem - Advice needed
- Turbo tshhhhhhhh'ing
- urgent
- which airbox
- AFM gutted
- Standard Mk5 Boost Pipe
- Z20LEH Fuel Rail & Regulator
- smell of oil
- Oh B*llocks. Urgent help needed.
- Rough running Z20LET
- VXR MAF Questions
- GSI starting problems.
- half throttle problem...
- What have they done to my GSI
- Cams for Z20LET
- Oil Problem...Any Ideas
- Origional DV pic and actuator
- Big Turbo Issue.
- big bog problems plz help
- Z20LET Tank Vent Valve.
- astra coupe turbo
- Wastegate
- need more speed
- Dump valve installation advice
- Collar for lambda sensor
- Sevice light help please
- Can someone recommend where to get a custom zorst...
- Part number request.
- vxr actuator - part number
- hesitation part throttle
- DV26 Dumpvalve problems
- What Boost
- dap-performance
- astra coupe turbo jittering on idle and half throttle
- Putting a turbo in astra sri big job???
- 2.2 set up.........help!
- Fitting Boost Gauge on Z20LET
- Injector's
- Oil pressure ??
- Engine Advantages for a Zlet?
- whats involved........
- Fitted boost Gauge
- phantom gripp LSD
- cv boot?
- Astra GSI Turbo holding back
- help boost goin up and down
- help with dump valve fitting...urgent
- aircon condensor. z20let
- blue flame exhaust
- Whats This ?
- Removing the Air Con from a Z20LET
- NGK or Denso ?
- fitted a dump valve
- Dead vxr turbo
- Nortech
- Cruise control highlighting a problem?
- Z20LEH - fuel pressure regulator
- Option's on sport cat's
- 2.2 and 19 airbox mod
- Garret fitting
- re map / chip help??
- Stalling
- astra turbo k&n
- what clutch do i use
- ZAFIRA GSi ALTERNATOR?
- Fitted my FMIC with pics to prove it!
- in at courtenays today
- buying boost gauge
- EGT decreasing by turbo
- Vectra Gsi Cdx Sri 2.2 Z22se Airbox
- VXR switchable exhaust
- Remus tail pipe
- No cats on a ZLET/LEH etc
- sensors
- Magnex Pre Cat Pipe????????
- Cambelt how 2 tell if worn!
- turbo-support for ZLET's
- Oil n Filter change!
- 300bhp
- bailey DV26-D run alright on a coupe turbo????
- VXR Turbo
- Aftermarket DV or STD
- Blown turbo
- fmic
- 1/4 Mile times
- Engine light on astra coupe turbo
- afm or lambda
- chatter on a z20let??
- Holding Back
- Smelling after new turbo
- oil temp gauge fitting ( z20let )
- garrett gt 30 turbo
- Garrett gt turbos
- where to get my remap??
- Tophat mod problem????????
- problem diagnosis
- Garret t25 who's done it?
- problems again.
- FMIC fitting question
- Name and/or part number needed please
- Courtenay 'competition' clutch?
- exhaust advice please
- DV Spring
- 02 sensor fault code astra gsi z20let
- VXR turbo ordered
- fmic fitment question
- which remap to choose?
- Milltek Q's ..need some advice!
- x20xev inlet cam-vernier pulley
- VXR Turbo on Standard GSi?
- Buzzing from Engine (Drivers Side)
- coupe turbo cambelt
- Where in the West Midlands can i get my car mapped?
- Dumpvalve & Intercooler questions
- Radiator Brackets needed
- bayley dump valve help needed z20let
- DV One way valve?
- how to block off the OEM DV????
- turbo pipe
- bailey BPS3 spacer dimensions???
- Had car on rolling road today
- Name of the sensor on intercooler
- Changing Coil Pack
- poor idle and smoke
- Turbo timers?
- Astra G Turbo problem help me...
- turbo a/c rad same as nasp?
- Exhaust pops and lumpy idle??
- Will the Z22SE air box fit a zaffy?
- remaping the ECM yourself
- Induction kit or airbox conversion???
- Remap phase I
- air box
- fan constantly staying on
- Vxr Afm ???
- coupe spoiler
- What are they called ona turbo...................?
- Some info please turbo and gaskets
- Info Needed
- Whats been done to the engine???
- Z20LET Turbo - Rebuild By Turbo Centre
- zaffy gsi help
- Z20LET, Rough idle, Cooling Light on
- ZLET limp mode no ECU warning light just the spanner
- vxr turbo fitting kit
- Catalytic question
- gsi spluttering & turbo glowing red
- New to Modifying!
- test for over/underfueling?
- exhaust emmisions light
- precat to main cat stud
- recommend an intercooler
- What problems to look for in a Z20LET
- tracing a pipe
- engine light on but !!!!!
- Lightened Flywheel and Uprated Clutch? Is it worth it
- intercooler
- Intermittent Starting Problems
- z20let transplant
- Juddering ZLET
- uprated Radiator
- BLUE SMOKE, but only on idle??
- Z20let fuel pump relay location
- Dump Valve and Stnadard Recirc...
- VXR problem - overboost!
- Apexi Filter link please?
- Power pipe. Do you want one? North east
- Best plugs to use Z20let
- Metallicy Raspy Sound
- Oil
- vxr turbo now fitted
- 1week old AFM knackered already?
- EML car with spanner
- Holding back @ 2900rpm
- DV26-D for a borrow?
- dump valve..
- Replacement Panel Filters
- IK20 or IK24
- z22se to z20???
- would this intercooler fit.............
- cooling mod vxr turbo
- Cooling
- Fitting turbo
- Uprated Camshafts
- 1106 code
- z20let tappets question
- Adjusting Actuator.
- Better late than never......
- How To - Changing The Crankshaft Sensor Or A Z20let
- odd noise from front????????
- signs of BCS going
- billet or reprofiled???
- bargain??
- vectra airbox
- OE recircultion valve blanking spacer guide
- 1.9 CDTI Airbox Mod
- Knock Sensor ??
- Best sound for dumpvalve
- Z20LET + Turbo Timer???
- Airflow meter failure
- knocking insides of pre-cat out?
- Turbo advice please
- Astra H Turbo and Astra G Turbo exhausts are they the same????
- Wots The Sensor Then ?
- Astra vxr magnex
- change pulleys with z20let cambelt change? need an answer tonight please
- Who can I find the map of the engine unit z20ler?
- Bsr Ppc
- Jetex stainless exhausts
- What pipe for FMIC