View Full Version : LT1-LT4 Modifications
- AD244 on LT1?
- 97 camaro/firedbird dash and gauge cluster in a 93-96
- Oil in Optispark - Bearing for water pump gear shaft in block
- Idle issues 1994 LT-1
- Goofy ahh Rebuild
- Recommendations for tuner/data logging software
- Unique blinker issue
- Restart After More Than a Decade of Sitting
- 383 LT1 Idle Issue
- No Idle
- TorqHead Lt1 Key Reprogram 1994 Firebird Solved
- Volant cold air question.
- I want to upgrade the optispark in my 1994 Fleetwood to electronic
- What is going on with this crank seal?
- Another Opti Help Request
- Are there ANY OBD1 LT1 tuners in the New England area?
- Lt1 cranks but doesn't start. Has spark and fuel. Checked everything. No codes.
- Need harness help!!!
- Clutch pedal height
- 1995 corvette lt 1 to 1995 z-28
- Kooks vs Speed Engineering
- Excessive serpetine belt wear
- blinking check engine light....only sometimes.
- I think I struck Gold
- Black box
- Unsolvable tapping sound 94 LT1
- PCM Output for TH400 Kickdown?
- IAC Housing with coolant passages already blocked.
- GM Part# 10456264 ABS Rear Wheel Speed Sensor
- How to determine TDC for replacing valve springs with no access to spark plugs?
- Offer on the table
- Stock LT1 Rocker Arms
- Coolant Leak
- Stupid question
- Fuel leak at fuel rail fitting.
- 1992 corvette. Looking to add a performance camshaft
- No crank No start No dash lights
- Just got my 96 WS6 TA back from my Mechanic.
- How does lifter preload keep plunger off retaining clip
- LT1 misfiring on rear 4 cylinders
- Cleaning Block for head gasket replafement
- Converting to DBW Drive by Wire
- Steam line vs Griffin stand up rad
- Electric water pump
- Gas Tank Leaking onto Paint!
- New fuel pump installed. Tank building pressure.
- Cruise control activated itself
- Factory vs Aftermarket Radiator
- I'm new here and need help.....
- The attempt at 12 hole 24lb injectors and a bank fire 1993 car with a 96 intake.
- LT1 head & later intake casting port shape with regards to porting. Some insight?
- Engine Wiring Harness, Ign fuse keeps blowing
- Abs/Asr code
- Ram Air Box Seal
- Fuel rail removal
- What exact injector/running like crap
- Harmonic Damper question
- T56 Grinding W Clutch Fully Depressed
- Freshly Rebuilt LT1 No Start Popping
- Starter bolt thread and size
- Brake caliper weights - did all LT1s have them?
- 96 LT1 PCV upgrade
- Carbed LT1 M6 Camaro
- LT4 heads dont match up with LT1 Intake manifold blah blah..
- 95 LT1 into 94 Camaro
- Combustion Gas in Cooling System
- Rod dent
- Back into a LT Car Again. 95 Formula 383 4l80 12 Bolt
- 97 f body ICM testing
- Cutting the cats
- Throttle body ports
- OBD diagnostic port does not work
- Coolant and oil weeping from 94 LT1
- Firebird formula single exhaust !?!?!?
- 93-97 lt1 oil pan
- Oil filter gasket
- 1994 Z28 Trap Door Dimension Template?
- 1992 Base Corvette to TorqHead Opti delete & 411
- SFI balancer
- 1.7 Roller Rockers on LT1?
- 5w-30 vs 0w-40
- LT1 to sbc mounts
- spark plug wires
- TFS heads
- Bad Optispark?
- Accessory drive...feeling dumb
- valve adjustment?
- Best place to buy Pac 1212x and LS7 lifters?
- Lt1 autocross ?
- Rear end cover bolt thread size and dimensions
- Bad idle, engine sputtering and missfire under WOT
- LT1 throttle body
- Feel like a dingleberry....
- Blue rubber bits in oil pickup?
- Hooker Shorties worth the money for LT1?
- Cc503 springs
- 1997 gen 2 lt1
- Procharger MAF Smoother?
- Cam size and power brakes
- 1997 LT1 Z28 Swap. Starts dies immediately no idle
- JET DST Help
- Serpentine Belt Part #
- (94) LT1, Holley ecu, TH400-speedo?
- Lt1 vortec 350 pcm
- valve spring help?
- Torqhead after market ecu ?
- JET DST - adjusting fans, disable Skip-Shift, EGR, A.I.R.
- Car higher on drivers side ?
- Trans Am 1994 - Fans running constantly
- 1994 Camaro Z28 | Having a hard time figuring out my issue.
- 1.6 rockers?
- Turbo LT1s?
- 96 Impala SS LT1 LS1 PCM No Start
- Oil filter part numbers…
- Best cam
- Intermittent low idle fixed
- Newbie replacement parts recommended
- Cold air to ram air IAT difference !
- Knock Retard when accelerating. Out of ideas.
- Flywheel conversion for Ls to use Lt1 t56 transmission
- Can help identify what this is in the crank pulley?
- LT1 MAP Sensor Code 34
- SJM ABS delete + new master cylinder
- CNP kits?
- How much Power will this get Me?
- 93 TA LT1 error code resolution
- o2’s keep failing in the rain
- 97 camaro turbo?
- Water pump drive shaft gear
- F Body LT1 Powerdyne Supercharger HELP
- ARP bolts will not thread in
- 94 Firebird overheat while idle
- 1996 Firebird Formula with lt1 will sputter and die if started with the AC on
- 1995 Formula lt1 oil pressure issues
- What’s it worth?
- Power capabilitys
- 93 to 95 style oil pressure switch questions
- What can my motor handle?
- NA LT1 Build?
- LT1 - Holley Conversion Terminator X - Delteq
- Custom CME tip finally came!
- TPS voltage reading backwards
- Engine bogging down when launching and trying burnouts
- LT1 stutters on startup and won't go over 3500rpms
- 97 Lt1 stuck on limp mode?
- Nitrous tuning a 1994 Z28
- 2023 Hub choices?
- Wiring
- Using Kooks Long tube headers with emissions fittings but EGR is already disabled
- Just replaced fuel pump, now the tank is not venting.
- 96 Camaro Z28 throttle body help
- Exhaust question
- Kent Moore Tool J 39046 LT1 LT 4 Crankshaft Hub Remover & Installer
- OEM Muffer
- Gen2 LT1 Head gasket
- 97 Trans Am low oil pressure issues
- 97 Trans Am Low oil pressure hot idle even after swapping opsu
- Wiring schematics
- Adjusting Fan Temp Activation on OBD2
- LT1 opti spark replaced now p0336
- Hose clamp vendors
- Torn between what to do.
- '93 Formula sound system.
- LT1 broken dipstick
- Stock A4 LT4 runs 14.4@95
- 1994 ecm question
- Hooker blackheart dual exhaust with Kooks Headers for LT1
- What 24x conversion is this, if it even is one?
- Thoughts on rebuilding stock 24lb injectors
- Opti help
- LT1 swapped FC rx7 optispark issues no hood
- LT1 MAF Tuning
- Torqhead 24x, very impressed.
- LT1 Knock Retard Issues
- Torquehead 24x misfire
- 1994 lt1 4l60e
- Longtubes-TSP VS Pacesetters-97 SS_Bone-Stock_M6_W/64k
- TPI Throttle Body on LT1?
- Cam suggestions
- Proform SBC Valve Covers + torqhead alternator pictures
- adjustment of stock valve lash on 96 lt1 1/4 vs 1/2 vs full turn etc
- LT-1 knocking at hot idle
- LT4 Misfire at Low RPM - No CEL
- 1994 Pontiac Firebird
- Lt1 / 24x conv / Holley stealth EFI
- Did my opti die🤒
- SLP manual fan switch
- Bizzare issue with LT1 running like crap
- 97 Camaro Z28 5.7L LT1 Instrument Cluster
- Smog issues trying to get back on the road
- "Import" non CA Firebird into CA, smog help!
- 4th gen fbody rear brakes won't bleed.
- Need neutral balance aluminum flywheel
- '95 LT1 ECM Scan/Flash Cable DIY
- Purple wire for starter on 95 Lt1
- Speed engineering headers review
- Changing injector banks
- what cam is this?
- Ebay Headers from tcbtradinginc / TCBmotors
- Desperately Need an Engine Harness...HELP!
- Where are we routing
- How am I getting this bolt out
- Coolant flush
- This is how I did my Meziere electric water pump wiring on my LT1
- my 1995 camaro z28
- Optispark vacuum hose!!
- 1995 LT1 into 1996 Z28
- Data Log 94 LT1 Running Rough
- Daily driving around town with EGR delete & no tune.
- Bolt on LT4, stall size?
- Opinions about speed engineering provided header gaskets
- Hardware for composite valve covers
- Peak power shift points.
- Running like $hit. DataMaster log inside.
- Missing 1 bolt and removal preparation.
- Acceleration hesitation/stumbling
- Weird Squeal Any Ideas
- Rear brakes won't bleed
- How to Tell if your Opti Unit is OEM?
- Transmission swap
- Water pump leak, no low res signal
- Is this an LT4 hotcam?
- 1996 z28 po336 new opti running rough
- 95 lt1 z28 What Mods to do next?
- Tick Hatermaker stage 1 cam results
- LT4 running on stock 93 tune
- Need help figuring out cam
- looking for Brake kit advice for 95 Z28 hi po engine
- failed 15 mph nox. need help with california smog
- 95 LT1 OPTI-SPARK 1 to OPTI-SPARK 2 timing cover
- 1996 lt1
- Info on motor
- Lt1 speedometer problems
- Rebuild - first start and temp gauge issue
- rocker stud question
- true duel setup with headers?
- Crank recommendations?
- Awww yeah '96 Impala SS 383 build (longest build ever, expect no updates!)
- Fuel/ignition
- Nitrous/opti combo
- '96 vs '95 LT1
- No Injector Pulse Cyl 7
- 396 LT1 new dyno numbers
- 95 z28 open headers tune
- 1995 Z28 backfiring though intake at low rpm, high load
- MSD 6al no rev limiter features
- Another valve spring question
- LT4 fuel question
- 1995 camaro rough idle
- 93 LT1 issues