View Full Version : LT1-LT4 Modifications
- Fuel pump replacement procedure?
- WHERE to Buy LT-4 Heads ?
- Ac delco O2 sensors not threading.
- Flyenlow Stage 3.5: Some more refinement
- Lt4 heads
- resurface pressure plate
- Iso a lt4 knock module
- Help me diagnose low fuel pressure
- EVAP & air pump question
- Doug's Long Tube Headers for LT1 or LT4
- Anyone done Full Exhaust?
- Comp 850 lifter is spongy.
- What are your thoughts on the "Built vs Bought" convo?
- 24x conversion hp tuners file?
- Th400 and trans shield questions on 4th gen
- Lt1 no start*did tons of research*
- bad head gasket?
- Merry Christmas
- Relocation Brackets for Alt & PS
- LPP out of business?
- Building her hopefully for the last time!!
- Neutral Flywheel for 383 internally balanced
- what kind of power ?? 383 Stroker
- Cam Sensor Help 24x
- New Ignition Coil and Wires Arcing
- Optispark wont fit!!!!
- Adjusting Lt4 roller rockers
- LT1 4-Bolt Main Coversion. Spalyed vs Straight.
- Odd Engine noise
- Baby cam for 383
- Plugs for my 383
- Mitsubishi opti sensors screws
- 383 GM Performance LT1/LT4 NEW
- Effect Of Quench On Detonation Question
- Need some help with my build
- Anyone using a Lunati timing chain?
- 96 LT1 swap into 94 Z28 questions
- Need help diagnosing strange noise--valvetrain?
- HELP. Nightmare LT1.
- Thinking about a LT1 swap.
- 1994 harness/pcm on 1995 car. Does it work?
- 96 Z28 Factory tach stop working along with hard start
- whats next??
- Help looking at first LT1 car
- Custom clutch bleeder anyone?
- Been away for a while...time for an optispark
- 200k lt1
- Lt1 help needed (Detailed)
- First N/A shakedown passes on new combo
- Blue loctite for engine internals?
- Carputing LLC phone number?
- Just bought a 1994 Z28 need help
- trans choice
- Anyone running higher fuel pressure than stock?
- What scanner shows IAC and TPS
- FAST 306008 injectors in LT1
- Walbro gss340 after Delphi & A/C Delco... Only fires up gas pedal on floor???
- Need advice - upgrading to 30lb/hr injectors
- Please help me....
- Another misfire thread....
- 1995 LT1 sputters at WOT
- Ultimate Street Car with a rear mount turbo
- Ran like crap...then ran great. Opti?
- Intake install help.
- beware when buying non oem fuel filters. I almost caught on fire!
- P0300 Bad Misfire, Flashing SES light, Car Sat 4 Months, Lout Ticking / Shaking.
- problems with ltcc
- 1996 impala SS radiator fans not working, i think I found the cause
- New 409SS 3" single exhaust
- What is this pipe?
- Digicon Smart Spark
- Brake line?
- SLP Lid mod for LT1
- Oil leak from drain plug on oil pan.
- 1994 Camaro Z28 Project
- Original Findings of my 383 Forged Stroker and back story
- 12v Switched Remote Power On Pass Side (Installing Air Ride Susp)?
- New Dyno Run after Cam and Rockers
- Engine Priming?
- Lt1 wont run right with alternator belt on
- LT1 wont idle
- Rat Rod with LT!
- My new setup
- I accidentally overtorqued the lower bolt on the opti. Half of it is stuck in engine.
- 6.0 Head Gaskets on 5.7
- shift light
- 30lbs injectors worth?
- How much boost on a stock crank? Good cr for turbo?
- Who sells the Walbro fuel pumps for a 93 TA?
- rear coilover spring rate
- rear brake weight thingy
- lt4 knock module
- Oil Pressure/Fuel Gauge Maxed
- Who's gone .60 over?
- 94-95 Tuning
- fly wheel looks off center?
- Question about front brakes replacement...
- LT1 BAD misfire and p0300
- LS firing order on new cam?
- Approximate HP and 1/4 mile on my LT1 Build???
- Optispark rotor sound
- Need Advice for Adding Nitrous to 383 LT1 Stroker
- Spayed Main Caps
- fuel regulator for carb
- Hotcam + -DA =
- LTx Motown Block
- brake line banjo bolt size
- LT4 .bin file
- E85 tune on lt1
- 95 Camaro z28 5.7 lt1 screeching noise and white smoke coming from pass valve train
- Reasons for coolant backing up into reservoir
- T56 issues
- MAF Low Voltage
- 850hp LT1??
- P1371 Code and idle issues
- latest dyno
- Assembling Parts List--Upgrades During Head Gasket Replacement
- New truck 5.3 cam thing!
- 13 Year Project Derailed AGAIN
- Vent Tube
- New Tune, LT4 KM needed????
- 1996 impala ss alternator fix
- Ignition issue
- 97 TA complete rebuild. HELP
- 97 Z28, replace subs with speakers?
- Urgent LT1/T56 Clutch Help
- What Would You Do? Advice Needed!!
- 95' Z28 M6 project.
- Part number for pvc tube
- Water pump coupler
- 5.3/6.0 Intake Flip
- Went to the track again.
- Spark plug question
- 160 thermostat sits at 170?
- Finally back
- Riddle me this? Runs with dead alternator, won't with a good one.
- Blown Lt1 hesitation when stepping on the gas from idle. A few questions...
- Coolant in oil
- ID1300 leaking at the fuel rail
- LT1 Oil Cooling Adapter Removal
- Help getting correct pushrod!!!
- Lt1 timing sounds off/ runs rich
- Charging issues
- YSI 383LTX 811 RWHP Project
- Will the ignition lock cylinder for a manual car fit an automatic car?
- 95 c4 6sp....wtf
- Need part number for Iron head valve springs
- 96 exhaust on a 95
- LT1 issue
- Crank gear keyway
- 93 Firebird problem with video .
- ECT sensor part number?
- Loss of trap speed
- Trans Cooler Location?
- Catback or dumped bullet style muffler
- HVAC flowing when off, smells like exhaust
- Quality Optisparks in 2016?
- 1996 impala SS fuse box
- LT1 cooling system questions.
- Lt1 timming question
- Coolant Vacuum Refill kit
- Pistons
- Cooling?
- MAF and MAP readings
- Optispark Mystery
- 3rd gen 1le spare on a 4th gen
- Lt1 Not starting
- 80mph driveline vibration, driveshaft?
- LT1 procharger parts
- Spongy brakes
- Front Cam Bearing okay??
- 4.94 V at KS wire. Good enough?
- Gm4 stamp?
- Need advice on exhaust.
- adjusting rockers
- Oil pump gear drive
- Spark plug wire routing
- What gears for my setup?
- Updates on the LT1
- Valve covers
- Reluctor wheel removal
- Shortblock Delima
- Oil cap breather
- WOT on new 383 - fell flat on its face at high RPM
- Finally dynod my lt1 swapped 79 z28
- crankshaft sleeve?
- Which wideband?
- Stripped my PS return hose.
- LT1: What size wrench do I need for the inlet and outlet hoses on steering rack?
- Help on LS3 for 65 Elko
- Help on LS3 for 65 Elko
- Throwout bearing bent??
- Strut bolts
- Need Help With Mod Choices
- Hurray! Another no start thread.
- CC503 stall reccomendations?
- 1997 Z28 project
- pcv fresh air hose check valve
- Repining for 0411
- Tuner Cats - 4L60 Shifting issues
- Supercharged 383 lt1 part out
- 93-97 FAST XFI 2.0 100% complete setup with Accel 300+ included
- Manley Valve Springs & Jesel Rockers
- LT1 knock
- Oil pressure check?
- oil pump selection
- rear cam freeze plug?
- CC503 Cam No Tune (Fuel Trim)
- Compression ratio?
- 96 Chevy Impala
- Car will crank but won't start
- Will this tool from Jegs work?
- Any ideas for new sleeper project.
- Anybody done CONNECT N CRUISE GM LT3..or new LT1..LSA motor?
- This past week or so, my PS fluid has been steadily leaking.
- Heads and Cam HELP
- Meziere EWP wiring harness
- Misfiring, hesitation, first mile or so
- 93 LT1 split BLM at idle
- Going to be droping my rearend for the first time any tips
- impala crank hub
- 4150 carb dimensions
- LT1 No Start, HELP!!
- Car dies when I let go of key.
- How do you remove the Crankshaft Balancer Hub?
- Slow Crank - Video
- For those interested in a big bore LTX block (yes again.)
- compression help for build
- Nastiest Lt1 in existence, at the shootout today.
- Code P0100, 97 Z28.
- Setting up Heads
- High rpm vibration
- Alternator relocation
- Question about TB
- rod re size?
- Power steering works sometimes
- stock catback with magnaflow muffler, vs full catback,vs cut out
- Need help! Pulley's no longer line up.
- Yet another cam thread
- Oil pump drive gear with cam swap
- PCV Question
- LT1 ignition issues at high RPM, flashing SES light
- Bad low throttle/RPM bucking/hesitation
- Cousin Got a new 95' C4!!! Need some advice!
- Craigslist score of the day
- How'd I do?
- Cam Motion Solid Roller
- Valve stem seals may have gone bad. Should I install RR/springs while I'm in there?
- My lt1 v. 4.6 v. 04 Gto
- ATR muffler welds coming apart