View Full Version : LT1-LT4 Modifications
- Hey all, just want some experienced opinion on a simple question.
- lt1 no start when hot
- Overheating at idle
- Opti Spark Delete GM#12367600
- Manual engine wire harness converted into automatic 95 camero lt1 help
- Water temp sensor when plugged in makes car run worse
- Redrilling exhaust manifold bolt holes larger size possible?
- How difficult is wiring up EFIConnections 24x harness 95 T56?
- Dry SUmp?
- Engine randomly not cranking over - Click, Click
- Toilet paper style oil filter
- Anyone with a 1995 LT1 Auto engine harness?
- Oil Pressure Under Acceleration
- Lt1 swap into 2002 firebird
- 1993 Camaro Z28 Throttle body measurement?
- Alternator replaced, still not charging. WTH!
- Not charging - how to inspect the alternator
- New CHE Trunions
- Shorty spark plugs
- 1994 T/A crank no start
- 93-97 Camaro intercooler pics
- carbon fiber wrap?
- LT1 swap
- Hazard Light Switch Replacement
- Transmission Coolers?
- Hub Removal
- Injectors for E85
- LT1 Random Warm Idle Stalling + Hard Restart
- My general Questions regrading 95 Z28 LT1 head gasket replacement
- Almost all gage lights not working
- making my lt1 95 firebird faster
- Torqhead 24x
- 1997 Camaro SS ASR Switch?
- 4th gen LT1 Radiator recomendations
- Wanted LT-1 Billet MonobladeThrottle Valve
- ARP Bolt P/N question
- Another Oil Filter Question
- Just bought an Lt1 she run rough
- Are all gen2 sbc LT motors compatible?
- 1996 firebird ! Random tube and don’t know where it connects to
- 1996 firebird ! Random tube and don’t know where it connects to
- 4th gen wiring help - radiator fans?
- Stamped VIN location help needed.
- Moroso 22101 Oil Pump
- LT-1 good or bad
- No start when hot
- ported lt1 intake questions
- 1994 Z28 questions
- Best Attach Points for a Cherry Picker on 93 LT1?
- OPTI Spark X3
- Wiring wideband with A/C working
- Ls swap 94 lt1 camaro
- Engine wont crank. Voltage is good. Starter solenoid?
- Grinding noise Help! : Lt1 T56
- GUIDEPLATES: Let's beat the dead horse
- 1993 Camaro LT1 Blowing Blue Smoke – Need Advice
- 1996 WS6 Ram Air box - which is factory?
- Stock Oil Pump Spring
- 93 trans am hardtop 6speed junkyard rescue
- Need Help Identifying LT1 Cam
- Confused on wiring:
- Spark Plug, Wires, Header Clearance
- 96 TDR bypass for vats delete? Lt1 Coil ICM?
- New Acquisition - 94 Z28
- Fuel injector tuning
- Hard line to rubber brake line thread pitch
- Sub 1.8 sixty possibly-possible with stock TC?
- Don't buy AC Delco Alternators
- Fuel issue
- Header gaskets
- Opti Vacuum Harness?
- Headers/Tune on high mileage lt1
- Harmonic Balancer
- Oil cooler
- LT1 Help needed with stalling
- Stock Fuel Pump or Injectors Max Out First?
- 383 supercharged fuel pressure regulator?
- 398 LT1 Stroker Build
- Intake manifold gasket poking out?
- Sensor Ground for Wideband Data Log?
- Obd1 to obd2
- LT1 AR5 transmission conversion
- 1995 Trans Am V8 - Cooling Fans Do Not Run After Optispark Replacement
- 355 or 345 gears
- 94 z28 M6 surging cold start, hesitation warm at 2500rpm
- 1996 Trans Am no start
- New to group and trying to rebuild a 96 impala ss LT1
- 97 WS6 stock trouble starting up
- Trans Am No Start After Swap (auto to manual)
- 1993 trans Am no start
- Low Maf reading on idle - data logged help
- Underdrive Pulley, Need a different belt ?
- Holley base tune
- Wiring problem ? Factory tach
- 98 4l60e into 97 z28 and convert gen 1 sbc to gen 2
- Push Button Ignition Mod – Thoughts?
- Lt1 6.2 into a Fbody
- 450ci/SB2.2 1Spec LTX engine build w/ Dyno
- Convert Spline Opti to Pin?
- Timing Chain
- Summit 8803 Cam
- New to lt1, could use help
- 1997 TransAm Long Tube Headers and Emissions
- water methanol injection
- Low mount alternator belt layout
- Coolant and oil in intake
- LT1 Spring Locators
- No Crank No Start: Starter solenoid voltage low
- LT1 Start Issue
- Stumble/Miss Only During Acceleration 93 TA
- LT1 Braided fuel line HELP!
- Remote mount turbo project
- 24x conversion 383 Indmar intake swap
- 97 Z28 LT1 350 back firing
- 97 Z28 350 backfiring
- 1994 camaro lt1
- 1994 Formula Firebird, T56
- Please come check our new website for Black Friday!
- 1997 s10 4.3 rebuild
- New to Car Modifications and stuff
- Fixture to redril head for gen 1 sbc intake.
- 96 harness in a 94 camaro
- Pioneer lt1 hub
- Where's the Mystery Bird?
- Lt1 4l80e tuning
- Torque Converter Advice
- What is a good purchase price of a unused Lt4 intake and Lt4 heads?
- Whipple supercharger
- TV cable installation advice for LT1/4L80 swap.
- fuel filter relocation?
- Dowel pins for a T56 LT1 mid plate
- CP - SoCAl LT1 mechanic and tuner
- Fittings for plastic fuel lines
- Who's Spun An LT1 Bearing?
- ARP Rod Bolts vs New Rods - Balancing?
- 1996 impala ss lt1 into a 1981 c10
- LT1 2020 Camaro
- Code 41 but car runs perfectly?
- Battery parasitic testing....
- LT1 Target A/F Ratio @ WOT?
- Fuel pump upgrade
- Y PIPE for OBX headers
- Wishful thinking
- O2/rain issues persist
- Looking for a Shop/Tuner in the Southeastern Indiana Area
- Replaced full dash now no crank. Where does this plug go?
- Do shorties use the same route (oil pan) as stock exhaust?
- 94 firebird formula won’t start or crank
- 1996 Trans Am shut off while driving, won't start now
- Need help diagnosing P0100 trouble code
- Cobra m112 on ls1 help
- 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