- Turbo fitting kit?
- Quick question on the lightened flywheel from courtenay?!?
- Reducing heat in the bay
- Hks Boost gauge calibration!
- Need my GSI set up help
- Clutch & Flywheel?
- Is this possible?
- Oil cap options - Z20let
- Astra Coupe Turbo... Help
- vxr m32 flywheel
- header tank bottle
- Live maping on the RR in west Mids ??
- engine code help plz
- emissions light
- Water Injection - South Africa
- FMIC Fitted - Coupe bumper kept with fogs :)
- whinning(whistle) noise on Z20LET
- hybrid turbos??
- Cooling Fans
- Changing AFM
- zLET ecu blown...
- Quick question: turbo outlet size?
- 70mm Pre-Cat Replacement Pipe
- miltek or remus
- thinking which sports cat??
- Pipercross crankcase breather
- VXR Astra H Z20LEH Turbo or VXR Astra G Z20let?
- is this any good
- Astra Turbo....Help, (Cont)
- Compressor surge?
- fuel system diagram
- Remapping Z20let.
- 3" Exhaust From Lmf
- my LET sounds poorly
- Dblias Flowmaster Advice/Opinions.
- Fuel Cut Out Point On Boost- Z20let????
- its so damn thirsty!
- Z20let Silicon hose kits (group buy?)
- Afm
- Which induction Kit Zafira GSI?
- 4 years under the belt
- Where to install water/meth nozzle?
- need help bad
- Help Regarding Smoking
- useful link
- Help with my Z LET
- Benifits of the CS "Uprated" Acutator - VXR Turbo.
- Z20LET... 5w30 or 10w40?
- z20let ecu?
- z20let tappet noise
- FMIC Astra GSI
- Replacing valve stem seals?
- new turbo oil leak
- Heat shielding for apexi filter
- Getting Lower Boost??
- Z20LET Oil Sump issues
- Pre-cat Pipe
- vxr turbo unit now fitted!
- oil level warning on in mfd
- help me (air flow meter)
- judder
- Eibach's on Coupe
- overboiling coolant?????????
- Sump bolts, what torque?
- precat question..........
- Tapping/Knocking
- Snow performance kit installation?
- Your opinions on the new 1.6T
- Boost Problems
- Nos?
- Precat close to Coolant Fan.
- Mixing Oil Grades??????
- power pipe
- Calling all MK4 GSi!!! Oil problem help wanted please!
- fitting short shifter?
- ZLEH conversion or Courtenay CS4?
- help with wiring
- VXR turbo on Z20LET
- Universal Intercooler & Map Sensor bolt sizes.
- miltek/magnex pre-cat
- Thinking of refurbing my turbo myself! - Opinions.
- Remap help?
- running rich splutter at 3k rpm
- milltek system
- OE Recirc valve spring
- actuator position on regal 3.5
- FMIC fiited!!!!
- Z20leh and Z20let driveshaft
- cross over
- need help
- intercooler mod idea?
- do i need a cam belt change???
- What revs do u change gear
- Drag Tips
- No ECU light...
- tophat
- Are Astra Z20LET ECUs interchangable?
- Cone filter carbon box. (with pic)
- Porous oil return pipe from turbo?
- LMF power pipe
- best dv to buy?
- fault codes
- Fuel Pump wires
- when a AFM goes pop ?
- turbo coil pack same as standard?
- would this intercooler be ok??
- battery light issue
- Fitting the vxr turbo to a Z20LET
- need help asap
- vxr actuator setting on standard turbo
- How to check turbo?
- Regal / EDS Phase 3 fitted
- idling problem
- catalytic convertor
- Code 1106 Air fuel ratio....
- how to boost my bhp
- Car is doing my head in
- Sprint Boosters??
- Precat removal, much difference?
- Sooty Smell
- why won't my z20let fire?
- Dump Valve
- emissions light AGAIN
- Z20LEH Jet noise ?
- Fitting boost gauge help/question
- Ideas needed please
- Today's Mod - 1.9cdti Airbox now fitted
- Oil Level Sensor
- vxr injectors
- air box
- Yellow+black plastic thing??
- For those with CS3 software (how much boost?)
- Part number, price & name please
- Which exhaust??
- turbocentre
- Turbo upgrade for Astra OPC
- Milltek bhp gains
- SRi Turbo F23 Gearbox Replacement advice
- What do you think ?
- Radiator help!!
- traction control light comming on after fitting dump valve??? Help please
- Idle problems
- Boost Control Solenoid part number
- Clutch problem
- vxr uprated cams in z20let
- Coupe turbo exhaust system
- engine and wiring
- Taking Astra Coupe Turbo Off The Road
- MAF controler - SNOW PERFORMANCE kit
- Heater Matrix Leaking - Blank off?
- Astra GSI Z20LET Cats
- Z20LET p***ing out coolant!
- Cooling Mod Water Leak!
- help with GSI TURBO!!!!!
- Part number request please
- compression zlet
- z20 let stalling when luke warm
- Dreamscience for the GSI
- Coolant hoses - Z20LET.
- Crank sensor & CTS replacement on ZLET
- vxr boost pipe with mount
- uprated clutches
- Standard Xenon Ballasts
- EDS Phase 3 what else needed
- Hi advise needed on remap :)
- Hopefully going to do my hub
- what could it be?
- Smoking Zlet issues...
- Precat blowing
- lost my dash lights - help
- part no request
- LET radiator
- help fitting dump valve
- rocker gasket
- turbo manifold nut tourqe setting
- Today's results.....
- What results did you get on EDS Phase 3 and 3.5?
- turbo timers
- z20 turbo heat shield
- Todays project
- Recommend a clutch
- Changing out my turbo
- Vibration/rattle goin onto boost.
- Engine temp gauge
- Decat for MK4 Turbo
- Zafira GSi keeps nearly stalling - can anyone help!?
- tuning 1.6T
- New MAF???
- p1106 dt
- Turbo fitting guide
- What is the Real Purpose of Injectors?
- Is my AFM knackered?
- Anti lag
- Sometimes not starting
- z20let won't rev
- Boosting problem on z20let
- traction light
- re maps
- Vxr Afm & Zlet
- Exhaust question
- Z20LET How much is too much??
- front pipe
- Tensioner Pulleys And Timing Belt Question? HELP needed
- Boost control solinoid
- Misfire @ 5000 RPM
- DIY oil and filter change.....
- K&n Part Number
- fitted my xev inlet cam and.....
- spark plugs
- Header Tank P/N?
- Turbo Noise
- removing those F****** clips!
- GSI over fueling??
- zafira gsi smoking exhaust!why?help please
- Dont have a center cat...
- Gear linkeage? Not selecting 2nd,4th or reverse
- Water / meth kit, leak through the nozzle
- VXR Turbo on LMF??
- rocker cover gasket
- Regal 3 / 3.5 what are the common bhp lbft figures?
- Slim line fans
- Remap help
- Turbo Cracked AGAIN
- intercooler fitted
- Water leak on z20 let. HELP!
- No reverse
- VXR Turbo is smoking
- Z20LET Head
- Idle probs.........
- part number request
- could anyone price these parts?
- psi
- Help: Custom exhaust for the Mk4 GSI turbo questions
- part number request
- Proud New Owner :D :D
- A quick update
- Coolant temp
- Intercooler off ebay?
- starting problems
- Iridiums gap (again)
- diagnosis needed
- VXR turbo query
- Guages & MFD question
- Coolant spraying from the bottle anything to majorly worry about?
- Intercooler sensor mount
- Resister instead of lamba sensor mod?
- Forge Motorsport BOV issue
- What boost gauges people recommend
- Wastegate setting on VXR turbo
- power pipe