- Sorry excuse my ignorance! help required
- Oil smoke
- Whats the warning light?
- help with a bmc
- Remapping problems - one for Wilko maybe?
- new exhaust
- What engine mods next then?
- Lucas Oil
- few problems should be sorted tmo.....
- quick q for tmo morning plz----
- Crossover pipe
- Odd Turbo Noise..Any Ideas
- Loose Manifold (advice required)
- dump valve on Z20LET
- cylinder heads
- air flow meter/ advice
- URGENT help needed
- remap
- where is this ment to be?
- coupe turbo oil filter
- What part does what?
- dump valve releasing excessively..
- blue smoke from a sri 190 turbo
- Z20let convertion
- Turbo's
- Bit of a hesitation
- replacement fans on the LET
- help me for trax tmo!
- race battery and relocating...
- More DV Problems This Could Be The End Of It
- Boost
- Gearbox problems?
- Custom adapter for MAP sensor
- car will not idle
- Car leaking boost????
- Another Dump Valve Ques
- MFD Warning Message
- how to test a turbo?
- what to go for first
- just a quick question
- VXR Turbo/Actuator Know how
- (needed) pic of oil return pipe
- Cambelt query !
- Remap by Thorney Motor Sport
- vxr turbo
- GM Technical bulletin...?
- mirror covers for the z20let
- What to do next ????????????
- ECU reset, fact or fiction?
- Turbo Owners... What plugs do u use?
- Service And Cam Belt Query
- How do you know if your turbo's going?
- mpg after remap
- Uprated Walbro fuel pump
- Clutches?
- Z20LET spark plug cover and rocker cover
- whistling noise
- Have you had a remap and had problems?
- Crossover pipe
- Engine management light just wont stay off!!!
- Unequal length manifolds
- Washed Engine Now Problems
- blue smoke on idle
- Coilpack Removal
- Astra Coupe Turbo Help
- afm
- Fitting a c20let turbo to standard C20XE
- Ecu Pinout diagram...
- zafira and astra gsi driveshafts question.
- changing spark plugs.
- how to (dump valve)
- Problem With O/S Headlight
- P0170 Fuel Trim Malfunction (Bank 1)
- Problem identification? Engine Management light
- ZLET Oil, well, missing...
- What gaskits for VXR Turbo fitting
- For anyone looking for bigger injectors
- Not Again!!!!!
- Oil Loss
- How do u check for oil in the intercooler?
- Breath hose pops off
- SMIC fitting
- smoke in engine bay
- VXR Turbo swappers - Help!
- wat kind of dump valve should i have
- Centre (normal) decat pipe replacement
- few issues
- universal/ custom intercoolers- astra coupe turbo!
- Mystery pipe? sri turbo
- regal pre cat pipe
- iridium plugs
- Boost Solenoid?
- HKS dumpvalves?
- My Coupe Turbo has no Boost!!
- Fitting A Boost Gauge
- Adjusting actuator to reduce boost - which way to wind?
- dyno figure weirdness.
- Part throtle response Z20LET Phase 2, 3
- Tell Tale Signs of AFM failure
- VXR Turbo BCS
- Engine Temperature
- cool running stat...
- M-Tech Gear Shift Shortener
- Samco Hoses "Header Tank"
- lightened fly wheel
- Where are your DV's fitted.
- what clutch???
- Which dump valve?
- Z20LET backbox advice
- My new boost gauge
- More problems (follow on from my bcs thread...)
- spare turbo
- astra coupe turbo will oonly start from cold or when rested????
- Univerial Z20LET Intercooler
- How do i get this through here?
- Boost Between 5 - 6k RPM
- rough idle
- Wrong gap on plugs...?
- Putting a remap back to standard
- New user with powerfull aqp needs help(oil cooler)
- coverting from let to leh????
- leh boost pipe.
- Another Iridium plug question !!
- reducing boost through actuator
- Have I damaged something?
- Can anyone help?
- 1.9 Airbox
- Warranty
- Rite peeps fill me in.
- FMIC piping routes?
- Astra Turbo Engine
- Courtenay Sport
- hose paths and lengths
- nitrous intercooler spray bars
- Spark Plugs For Standard Coupe Turbo
- AFM again
- Heat Shield
- Black intercooler?
- gsi clutch
- tc light probs
- wot boost u runnin?
- Quick question, need a quick answer please
- Problem!
- strange request: pipe dimensions ?
- what could be the cause of my pinking
- problem resolved or another ..............
- Boost Solenoid question?
- dv 26
- Bastuck exhaust
- Z20LET Rocker Head Gasket and Bolts...
- pop pop bang bang! ***help***
- What power am i looking at with the following?
- whats the best
- standard 2 vxr turbo owners pls help
- So if you wanted to run 1.2bar boost
- SRI - T Running rough after 5 mins?
- How Much Thread Should be Showing on ZLET Actuator Arm??
- Oil Problem & Vauxhall
- induction kit or de restricted air box
- Z20LET sandwich plate sealing question...
- waste gate
- Oil catch tanks.....?! (Pic whore alert!)
- p0130 - lamba error?
- My Cars DEAD :( anyone know whats up?
- any 1 got a blue flame system on a coupe
- Dissapointed
- Taking The Battery Off
- ok had the car RR'd again today
- vacume hose help
- Rolling road results 170bhp :( !!!!!
- Camshaft Position Sensor "A" Circuit Fault?
- Urgent: Camshaft Shell Housing Bolts (torque setting)
- Does the engine management light staying off mean no problems?
- Spark plugs on a remaped Z20LET
- first major problem
- turbo not working
- Boost Problems!
- O2simulator
- diameter of i/c pipes
- Z20LET with dump valve-loosing boost?
- Engine Help
- standard boost????
- weird t/c light problem
- decat
- Part number required please...
- timing belt on a remaped car
- Clutch Biting Point
- vxr turbo
- universal intercoolers
- Are these VXR injectors?
- turbo & Vauxhall
- More Power
- engine run on....
- Z20let/leh precat pipe group buy link
- Decat pipe
- Z20LET Engine management light keeps coming on!
- Turbo issues = Software upgrade from dealers
- blowing slave cylinders 2bit!!!!
- Heat Shield
- Down on power??
- rev limiters...
- is it the rite gearbox
- ZLET engine temp question
- idle problems
- REVing toruble again
- please help fitting a pre cat
- Do I Need A New Throttle Body???
- Turbo
- Coupe Turbo Smelling of Fuel
- Astra G Sri T
- coupe turbo possible boost leak?
- turbi sandwitch plate
- What Exhaust
- dump valve
- Dump Valve Problem
- ACT&SRI-T bhp??
- conv. dumpvalve
- failed mot
- help help help gearbox problems
- Booked Into Vauxhall On The 23rd
- exhaust manifold glowing red
- weird boost problems
- Injector flow advice
- turbo
- Blueflame & Milltek
- t3/4 turbo !
- flywheel
- Just Having A Little Think . . .
- Z20LET Tuning basics - a beginners guide.
- Going to Thorney Motorsport Tomorrow
- fans not working
- MAF + Dump Valve?
- spal etc fans quieter?
- Whats The Spark Gap Setting For Z20let?
- Just A Little Question
- Veccy VXR Turbo unit???
- oil change on zlet
- Common causes of overfuelling ?
- In need of some part numbers...
- Calling all users whom have completed the 2.2 air box mod
- Sports cat
- cutting out...
- About LER and LEH differences
- Air leak! EML light reset?
- gearbox
- Pre-Cat And Wrap
- GSi Clutch
- Can Vauxhall flash the VXR map onto a z20let?
- gt28 turbo
- part number/cam belt kit