- Oil change today after 12,735 since last oil change
- engine oil leaking
- So what would happen...
- A few questions about the 4.0 Northstar
- quick engine question
- 2000 STS Error Codes
- RSM Racing / No more?
- 01 Eldo - 100shot Nitrous - track results
- '94 SLS Idling to fast
- '94 STS is overheating
- keep losing coolant...hard to trace
- How do I tell if my headgasket was repaired?
- a lil help please
- Northstar Engine Block STEEL CYL INSERTS
- Northstar performance Upgrades!!!
- How do you Northstar owners like your Northstars? Would you recommend them?
- trouble starting after timesert job - HELP!
- 94 Seville-Turn signals not working, smoking?
- Oxygen Sensors Grounding
- what is wrong w/ my n*
- Northstar Blocks Cracking ?
- PCM swap???
- Electric Turbo
- Differences in 275 & 300 HP Nstar
- New here
- P043 -- headache -- what is happening???
- p1441 evap code help
- Lag in the transmission
- left blinker not working when headlights on
- Oil leak?
- Oil pan gasket leak!
- Tips for replacing Crankshaft Position Sensors
- How to change fuel injectors?
- A couple Nasty Problems! HELP!
- Hot Hot Hot Is Gone - Finally
- 96 Deville 4.6 North* overheating problem
- Engine removal
- cool Northstar info.
- 96 STS Head Gasket Story...
- 2 N* Questions - Coolent and Tranny Dipstick?
- Nitrous A/F findings & questions.
- Anyone have HG pics? Not overheating but probs...
- Lady In Distress - '01 Northstar Intermittent Stalling & Not Starting - Clues Please?
- Where 2 buy main and rod berings for 2004 N*
- Questions about servicing my 99 Deville
- Whining Power Steering Pump
- Smoke at startup?
- N* 4.0 liter removal
- felpro headgaskets
- N* drive train weight
- 1996 Deville 4.6L Water Pump Replacement
- 1999 Deville front suspension rattle
- PSA: Need sensors?
- Found Rotella 10W-30 at O'Reilly auto parts
- Rebuilt Northstars
- Volant Install
- coolant change
- What else do I need to know after unhooking PCM
- Fuel pump locking ring
- '99 or '00 ETC?
- Timeserts
- hesitation
- Oil pressure emergency
- 94 Northstar with broken valve.
- Engine apart, which direction does it crank?
- Metal pipe coolant leak...'custom' fix???
- '94 SLS oil pan / oil manifold / half case leaks
- Looking for Timesert Kit
- 95 concours stalling
- How much runout is okay?
- Timesert VS NS300L Insert System
- Trans Solenoids??
- P0533... fuel gauge is going nuts
- P0441... P0404... ?
- Coolant Change?
- Head gasket set
- NS300L Insert kit
- 97 deville-changing plugs and wires
- Northstar heads(all) and ECU Chip(93-95). Real power!
- O2 sensor change, mpg improvement?
- loss of fuel pressure
- P1860... Problem
- Add Engine Oil alert
- Need some help installing Volant
- TC0047 Code
- Magnets Increase Mileage/Power??
- A/C question/help for 94 STS
- High oil consumption (1 quart/week!!)
- Tranny Prob, Please help!!
- Volant Review / So I did it without instructions.
- More Horsepower
- Northstar Misfire... no error codes
- Question about the transmission fluid
- Differance between 94 and 97 N*
- 97 N8 port, polish and valve job
- Performance tune-up for 94 North*using performance coils.
- Is it possible to lose HP
- Water pump question on 94 STS
- Crankshaft Position Sensor Replaced-Code Still Set P0385
- Torque vs Horsepower primer
- 91 Eldo STILL misses
- 96-99 motor wiring diagrams
- 93 Seville?
- Which kind of FPR?
- Plugs And Wires
- Exhaust size
- northstar research thread pics 56k beware
- 04 STS misfires when idles, goes away when you floor it.
- Huge Problem, No Shop Can Fix!!!! Help!!!
- Cadillac Eldorado 1995 ER HELP NEEDED!!!
- Complete engine overhaul, need help ASAP
- Keys to long lasting N*'s
- N* rebuild....hmmm what to add to my mod list
- Oil leak
- STS Coolant Burping Air out of Coolant Question
- WOT's northstar knock?
- Sludge in my engine?
- Anyone ever see this thing
- is this normal or could this be my problem
- started my headgasket job today
- 1990 Eldorado won't Start !
- coolant leak 00 sts
- N* water pump froze in housing
- Missing Hose On Vacuum Purge Switch?
- Legit "Performance chip"?
- cracked block
- Twin Turbo N* powered 1948 Tucker
- Tranny Prob, sheared pump shaft
- Mini N*
- Head gasket = overheat while driving or idling?
- New to forum, getting a caddy, some advice needed...
- Help on hesitant start...
- Setting the timing gears and belts on 96 n* 4.6
- Northstar leaking coolant....big time!
- Ground Cable Location?
- Head torque
- Found the reason why my car "jerks" during acceleration
- Safe amount of boos for stock motor?
- After Shift Sol. Replacement...
- Coolant leak under throttle body area?
- 4T80E Troubles?
- 1BadCaddy 94' STS update on power tune up.
- will '94 concours fuel injectors fit '96 sts?
- Odin8 are you out there ?
- need help with p036 and p094
- So many questions, so little time
- Source of whining noise
- Bank 2 identification
- Timesert kit for sale
- Balls to the wall - N* style
- Strange hole under ignition module
- Export code
- possible Northstar PCM Programmer
- cracked block pics
- MAF Sensor
- Bar's Leaks J-120
- Oil Change
- Iridium Spark plugs
- OBDII Codes
- Contents of GM Top End Cleaner?
- Engine Stall
- reuse pistion rings?
- 70MPH pull.....
- oil change
- 9 codes today, i reckon a bad earth?
- sticker shock
- Engine miss
- 94 Seville intermittent hard start
- Northstar- Starting, Running Problems
- Temperature Concerns
- Newbie here and tryin to find my CKP
- missed a time sert kit
- Revisiting Airflow = Torque
- 2000 Eldorado ETC Misfire #2
- 1993 STS running rough P053 Code
- service engine soon light
- Car just dies. Please help!
- Annoying Tranny Whine
- Who has the best warranty
- Cover up UGLY valve cover 95-99
- Serious help needed with 1995 northstar
- 96 SLS Head Gasket
- CODES-I'm New-Check Engine light
- It's Me again!
- Performance chips
- Dex-cool?
- 94 STS cracked block
- Crank Position Sensor
- How deep do you go into motors and repairs
- Zddp
- Help 06dts Mpg
- Quick question about a noise
- XLR's N* VVT rumble on startup and engine light.
- Alternator Replaced, Now Belt Squeaks, How to Fix?
- ***New ROSS Pistons for a N* (WIth Ceramic Coating) $750***
- Odc Ii
- Pcm 0174
- tuning software
- N* Ifr
- Boring out the N*?
- Reduced new engine power during breakin period?
- Northstars in '95
- PCM P0410 Secondary Air Injection System Malfunction
- Sealing a radiator leak
- What are these parts on my 95 Eldo?
- 97 deville overheated!!!
- 2000 sts read
- So much for your "bullet-proof" Northstar engines...
- I miss the Bliss
- will '94 fuel injectors work in a '96?
- Suspension Stability
- I Think I found my leak (Burning Oil Smell Cont.)
- Having a problem with 94 STS
- Looking for a core N*/Aurora V8 crank,,,
- 96 STS overheating
- N* crankshafts
- N* Forged pistons
- Best Exhaust Upgrade for a 96 STS.
- 93 STS N* P132 (E132) ... Knock Sensor Circuitry Failure
- Synthetic Blend?
- Crank sensor replacement
- 96 SLS knock
- Oil, Gasoline, N*'s, and long trips
- Replacement Air Filter
- Havoline?
- AMSOIL in 96 STS with 88K
- Northstar 4.6 - coolant comes out rear exhaust manifold bolt hole
- 99 SLS runs funny
- light knocking... does not go away....
- 02 Deville Sudden Stall
- Where can you get headers for a Northstar?
- Remote Start Killed My ICM!!?
- Dtc 420 & 1189
- Should I use Dex-Cool?
- 94 Deville Concours- Idle in Drive Rough
- MPG DROP - 22 to 17
- Northstart vs. 5.0
- Tufoil?
- block swapping,crank sensors
- "New" Caddy, old leak?
- Can you understand this?
- bigserts
- Excessive Idle RPM - Need advice
- N* Ignition Module Pinout and Description?
- '02 Deville Mods
- GM Powertrain Information ".doc"
- 275vs300HP Eldo ESC/ETC
- Contacted Fastchips
- a/c compressor
- 93 N* rough idle, no codes, loss power