- 2009 Cobalt SS Downpipe
- Flutter?
- 500whp LNF sleeper
- Recommend me a clutch?
- P0101 code did a boost leak test, no boost leaks.
- Oil in charge piping.
- Best timing chain kit?
- 2009 ss tc missfire
- Cleared CEL P0101 then Oil Pressure Light Appeared (car won't staying running)
- New ZZP S256 Build -- Torque Specs and Other Jazz
- Compressor housing fitting
- Mu3 Trans
- Wastegate and PCV Lines
- Oil feed banjo washer P/N
- Clutch Pedal Position Sensor
- E85 Balt wont start
- Need help with some codes
- Throwing some codes, need help
- LNF Seat Swap
- Erratic STFT
- Bouncing RPMs when coasting in nuetral
- Where did your transmission fail?
- Has anyone ever ran a 6258
- replacing clutch disk
- Lnf low boost first gear
- low boost until computer is reset?
- clutch replacement
- Removing clutch line
- New LDK and blown K04r seals - need advise
- EVAP System Monitor Failed
- looking for tuner in IL
- I'm thinking I should start a build thread. Guess this is it.
- Can really use some help here.
- 09 ss hesistating p0114,
- Lopey Idle on Cold Start
- Lnf or ldk head?
- Exhaust choices
- Cold side charge piping.
- Painting intake manifold
- Bad Boost Control Solenoid/BPV Solenoid?
- Brake Rotors & Pads
- Spark plugs!
- 34.8 PSI in MAP
- Performance Autowerks vs ZZP built transmission
- LDK - vs - LHU
- No BPV or BOV Important things to know?
- HHR SS finally lowered!
- Rough Idle, No CEL Codes?
- Timing Chain Maintenance Requirements
- What Spark Plugs Should You Use On LNF?
- Engine shutting off when temp is high.
- Got a P0243? Here is the help
- Spark Plugs!
- Overboost
- Fuel Trim Woes
- Bcm
- RPD Boost showing "Data Not Available"
- RS written ln ECU. Any idea?
- Thoughts on this 09 SS sedan
- Oil in Exhaust: Smoking..
- Gasket set for cobalt ss
- N2MB wot box help
- P0303 09 lnf
- Manual boost controller question
- Are bov's really that bad for the lnf?
- 09 SS/TC Exhaust
- MPX Exhuast vs Turbo XS RFL
- Loud spool on old oil quit spool on new oil
- Meth or Aux Fuel Rail
- Rough Start Up
- Making too much boost on ZZP tune?
- Logging for the Stage 3 head
- Billet bov questions
- P2261, P0236, no boost, no power, misfire
- Getting downpipe, need tune?
- Bcm
- 3 plugs on front of block
- starter
- Part Throttle Compressor Surge
- Lots Knock Retard
- Weird air fuel ratio on my RPD
- Big turbo lnf won't boost past 7psi
- Low Compression Numbers
- ***** how much pressure does turbo cold side build
- how the lnf crank breather system
- Transmission Noise LNF GMPP
- Is there a kit to rebuild the LNF BPV?
- Can't shift into 1st, 3rd, 5th. 2nd, 4th, and 5th works fine.
- Need suggestions
- Cam tools
- High Pressure Fuel Pump Replacement
- Priming the oil
- Need a good Tune
- P0299 Turbo under boost issue
- Lagging boost and random misfire on all 4?
- not running full boost
- Fan Switch
- i think my zfr is done
- If anyone with a zfr and forge bpv wanna solve the low throttle woo sound come in
- Engine didn't start after rebuild! UPDATE
- LNF Cobalt Life Expectancy ?
- New tb , relearn?
- 2009 Cobalt SS TC - boost limited to 22.4 psi?
- 2009 SS/TC Missing when giving it throttle! HELP!
- P2097
- RPD Missing DATA / CODES
- PVC intake plastic piece
- Leaking Fuel Lines
- Charge pipe blew off
- Hybrid Stroke?
- SS/TC vaccum hose diagram?? Help
- 6258 Sky Project Spool
- No_ss build thread
- PCV goes to fresh air
- Slipping 3rd-5Th gears southbend clutch
- LNF boost issues
- Clutch Upgrade Help
- ZFR 7136 Requirements/build
- P0011 Timing Over advance Bank 1(intake)
- The part number for coolant banjo gaskets on turbo
- Lower charge pipe/tmap problems solved
- Maf sensor
- No boost/limp mode after upgrades
- Something big from ZZPerformance
- Something big from ZZPerformance
- Lnf cobalt ss 90k mileage
- LNF engine curious if anyone else had this happening
- Weird power loss problem
- LNF/LDK top piston ring orientation
- Bought a new to me SS! need some advice.
- Just replaced my suspension, and have questions regarding display conputer..
- Doing Brakes and replacing Swaybar Endlinks
- New intake
- Valve cleaning
- head gasket!!!
- Weird turbo noise
- No lift shift not working
- Can't get my car to start after engine build!!
- Brakes
- Pvc valve in mani
- 2010 cobalt limp mode
- Interceptor c to f
- How many have had crank/pistons/rods balanced
- Erratic fuel trims and AFR EVAP?
- Water/Meth Injection.
- downpipe interest
- Loss of power/Boost!!
- cruise control issue after trans install
- Boost problem
- Kmo43 2016
- Overheating smell
- Lnf vs Ldk
- ARP head stud thread pitch and washer size?
- Injen Intercooler?
- ZZP recall on high voltage coil packs
- Anyone running the HAHN LNF turbo upgrade?
- KMO43 vs Jcalvin1126
- Charge piping question
- Fuel line
- has anybody heard of or used these products
- resleeve?
- Lnf shift cables
- What is needed to run a Tial BOV?
- LNF and nitrous
- this has me scratching my head
- P0100 Air Flow Circuit & Low traction while driving
- Blown turbo or dead cylinder?
- 09 hhrss tune
- What to replace on timing chain with play/looseness?
- Need some help for smog please!
- Gen 3 block??
- Coming back!!
- MODS with GM1 Tune
- P0101 without a boost leak
- help
- WOT Misfire ad 2krpm hesitation.
- Temp lnf
- Temp lnf
- Road to 350hp advice?
- Stock Boost solenoid On s257, Pics, need help
- Typical EGT During Pull
- Nostrum Energy LNF Big Injectors
- SS info
- Loss of about 50hp & 50torque
- What hose is this?
- NLS misfire. Flashing CEL.
- back in the game
- GMS1 help.
- Doing a turbo swap, s257sx-e, need suggestions to tie up a few of my questions.
- Super high iat2
- still having cold start issues
- Everything working, but car wont start.
- E85 lnf
- Tranny Probs
- boost some boost no boost P0299 help
- Size of the boost source line?
- WOT BOX wiring help
- clutch for hptune
- Car judders only uphill at wot
- How is my car running? Any tuners that can help?
- Lnf issues wtf
- 21PSI 100% stock.
- Engine trouble? P0010
- RPD vs Boost gauge vs aeroforce
- uhh ohh somthing went wrong!!
- Does this sound like a blown trans?
- LNF fast clicking under valve cover
- LNF Stock Air Box Cone Filter Mod
- s256et on e85/e47?
- Engine Replacement
- Gross leak to evap purge low flow?
- Mpx Catch Can
- LNF Instrument cluster Pinout
- BYT vs ZZP Dyno Graphs
- ZZP PCM Fuel Trim
- 3.82 vs 4.05 mph to rpm correlation
- K&n sri
- Intercooler opinions
- Intake, BPV, and Tune Questions
- Wheel Hop, Ingalls Torque Damper, and K&N SRI
- How many doing ported LNF/LDK heads?
- Can't shakes P2178
- Spark Plugs
- Car rich at idle
- Has anyone had the injector tip break off?
- Intercooler help!
- My fellow members with the turbo xs fl exhaust
- Major problem 09 cobalt ss
- boost issue underboost ?
- p0016
- scondary o2 delete
- Theft/clutch relearn used pcm
- PO101 not quite
- po128 code.
- 3 bar map without retune
- Displeased with Performace Autowerks
- 2009 LNF Missfire issue
- P0101.... not a boost leak
- New LNF owner - some questions
- Tuning KR in cyl 4 only
- P2195 and P2096 - 2009 LNF Sedan
- clean throttle lnf ?
- 2010 LNF issues
- P0267 Injector control circuit
- Cold start issue and STFT
- Installing an LSJ in my 06 LT
- Where to buy LNF Injector seal installer tool?! EN 48266
- Route to 450+whp?
- Underboosting and AFRs all over the places.
- Is my sensor wiring correct please help