LT1 | LT4 | L99 Engine Tech [Archive] - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

: LT1 | LT4 | L99 Engine Tech



  1. LT1 Running super rich surging
  2. Fan Relays
  3. Question Lt1 stand alone Conputer and harness
  4. Aftermarket dual-fans... PCM control?
  5. fuel starvation
  6. LT1 Camshaft/Valvetrain Selection Guide
  7. Correct Fuel Injectors?
  8. No spark at plugs
  9. 1993 LT1 Fuel Rail Removal
  10. Discuss Progress Pictures--1994 PPM Z28 Build
  11. Tailight Tint
  12. Injector driver error '93 ECM - with new injectors
  13. Question LT1 Weird Cold Start
  14. Odd low coolant light issue 1997 trans am
  15. 1994 z28 computer in wrecked 1993 z28
  16. Discuss Lt1 383 build for more performance
  17. Engine LT1 Stalls/dies after 15-30 mins, doesnt start again for 15 mins
  18. LT1 intake won't seal
  19. 97 trans am only leaks coolant out overflow
  20. Discuss LS1 Transmission mating to LT1 Engine. Help!
  21. Limping Stock Tune With Cam
  22. 48mm throttle body for sale
  23. LT1 Head Gasket Question
  24. Rear end ?
  25. Question Idle rough in Park, smooth in Gear.
  26. Question Looking Lt1 carb intake
  27. Stock valve adjustment
  28. Lt1 intake cleaning
  29. Gm846 stock heads
  30. Lt1 vette, 1st paint job
  31. LT1 head gaskets
  32. Trans Am running rough
  33. HELP! 94Z Lack of low end torque, hesitation, stumbling!
  34. Oil in opti, replaced cap, now won't start
  35. No Spark After Smoke From Solenoid (Pic Inside)
  36. My budget 383 build pricing.
  37. WTF is this thing
  38. Another LT1 flywheel and clutch balance problem
  39. Online/email tuning
  40. Newbie to OptiSpark never fix it unless its broken
  41. Loss of Power and Knock in Datalog-Misfires?
  42. Lt1 never starts first try.
  43. GM Hot Cam?
  44. 1995 Trans am motor swap from 1994 corvette zr1
  45. Lt1 to Lt4 swap - computer issues ?
  46. Urgent help with harmonic balancer removal
  47. tuning help 383
  48. Questions opti
  49. Modified cooling fan help
  50. LT1 crank hub install, help!
  51. Lt1 cooling system building pressure
  52. LT1 crate
  53. OBDII PCM in 1994 Z28?
  54. Egr question (first lt1)
  55. GAUGES: oil pressure switch,Tach and Water ??
  56. Lt1 smoke
  57. Yet another fan issue, but unique.
  58. ***** its alive *****
  59. High/Low idle
  60. No fuel pressure w/ new pump. Bad relay?
  61. Changing out rusted injectors
  62. Question Timing chain position
  63. Question O2 Sensors
  64. 4th gen parts books, found new link
  65. New Fuel Injectors?
  66. AIR Injection Pump?
  67. Clutch possibly ?
  68. Starting Problems
  69. Drivers Window
  70. Blown head gasket/effect running/new mods now
  71. Billet clutch fork
  72. Urgent P0300 with Identical Misses at #7 and #2
  73. Need help identifying chirp and ticking noise (video)
  74. 93 LT1 valve groove question - double groove and seals etc
  75. Question about coil wire on MSD coil
  76. Sealant used on intake manifold
  77. 96 impala ss LT1 issue
  78. Question Help identifying GM roller rockers
  79. Loud chirp at idle. Goes away with throttle
  80. Question Why is this happening to ME?
  81. rebuild time
  82. 1994 Camaro z28 M6 Build: Making 2 cars 1
  83. CC306 Did I Order the Wrong thing
  84. How much boost on a stock crank? Good Cr?
  85. Lt1 383 want start
  86. Lt4 Double springs?
  87. Engine making noises
  88. LT1 Rebuild Help
  89. Whats the purpose of this box / solenoid ?
  90. Picked up a 95' M6 T-top with a bad motor.
  91. 847 cam
  92. My 96 Z28 Build.
  93. Burnt Wood Smell Radiator Flush
  94. Reasons for coolant backing up into reservoir
  95. 97 z28 Replace Radiator and might as well...
  96. Alternator relocation finished
  97. Question 1995 LT1 Bleeding coolant system
  98. Question LT1 Ticking Noise
  99. First datalog down the strip.
  100. LT1 Oil Level Sensor?
  101. Urgent LT1 crank hub install. Threaded rod needed.
  102. Discuss Snake Oil?
  103. LT1:whats the output on the fuel pressure regulator
  104. Found this when I took the valve covers off..
  105. Fuel pump ideas
  106. AIR Delete Question
  107. Lt1 tapping sound
  108. Should I be happy ?
  109. LT1 high quality water pump seal
  110. Heads ???
  111. Whats up with my LT1? Engine light at high rpm
  112. Is this a good deal?
  113. Lt1 acting weird slow response bogs when hot
  114. Oil Breather may have been put on wrong
  115. LT1 Seized and Weird Parts In Oil Pan
  116. LT1 noises on video - lifter, injectors, cam lobe or bent rod??
  117. CC306 383 passed emissions
  118. Weird sound at WOT with loss of power
  119. Question Which LT1 cylinders have highest EGT
  120. lt1 383 boosted stumbles over 3k
  121. 1995 Firebird Overheating
  122. Help please
  123. Cam only LT-1 Corvette, what bolt on next?
  124. car starts, then shuts off
  125. Urgent Running hotter than normal
  126. Low Dyno Numbers
  127. Question What lifters and timing set to run on lt1 with the comp 292
  128. All of a sudden runing rich and now if you clear it up blue ish smoke
  129. Urgent Lt1 383 with comp 292 what timing set and lifters
  130. Precheck for smog
  131. I have a 93 Trans Am with 5.7L LT1. What manual transmission will bolt on directly?
  132. LT1 hesitation in RestoMod
  133. 94 LT1 OBI O2 Sensor Clarification
  134. Cam installed 1.6 rr install think i have a bad rocker adjustment
  135. L99 4.3 to LT1 swap issues..
  136. 1994 swap 1996 LT1 Opti spark.
  137. A/C Compressor leaking
  138. throttle body coupler help
  139. 1993 Fbody LT1 shutting down after 10 mins of driving
  140. Almost 2 weeks searching for Delphi
  141. What is this (pic inside)?
  142. Question Engine Damage?
  143. Question Wh
  144. Help. Fuel in oil
  145. Post engine swap - stuck in open loop
  146. Air Conditioner Compressor keeps shutting down
  147. FPR Screw/Bolt Size
  148. Optispark 2016
  149. Discuss Does this look correct or not?....Need help BAD!
  150. 95 Lt1 with weird problem
  151. seeking opinions
  152. EGR issue
  153. a couple of questions
  154. 1994 Corvette CCM issue C41 Runs then Dies
  155. 95 firebird lt1
  156. Urgent LT1 timing cover bolts, how many?
  157. eehack log
  158. What do I need to install a 6al and 2 step?
  159. Running rich when coasting along.
  160. Need help with engine idle trouble
  161. Question Really Need Some Help With Rockers
  162. Question Knock Retard
  163. coolant temp sensor
  164. Corvette suddenly died and now no spark
  165. Question Engine hot, lean and missing after opti & O2's
  166. So I Drain My Oil & This Is What I Find (Help)
  167. Water coming from oil filter
  168. 94 lt1 TPS Voltage
  169. Fuel Filter Question
  170. Fans not working, relays have power but don't click
  171. Can't get air injection tube from exhaust manifold
  172. Caution: Do NOT use NAPA/Dorman oil-drain seals for steam pipe seals
  173. 96 Impala LT1 180 stat 160 programming ?
  174. Question Engine ping on high milage LT1
  175. Does LT1Fans run when car is off?
  176. 94 LT1 wont start. HELP!
  177. Harmonic Balacer won't go on
  178. Missfire Issue
  179. Weird Issue
  180. Stroker kit
  181. Fuel Injector Question
  182. Urgent Car dies intermittently
  183. Need help diagnosing grinding noise
  184. high fuel pressure
  185. LT1 or LT4 fuel rails?
  186. Stupid idle question
  187. 1994 fleetwood cadilliac HELP!!!
  188. is there a cheaper way to swap in an LT1 other than this kit? into a 03 s10?
  189. Urgent 1996 firebird not starting
  190. Question 1994 Code 29 eas fault
  191. Lunati bootlegger cams
  192. Help Please
  193. Internal vacume leak on lt1 engine
  194. Question LT1 Troubles
  195. Urgent Is this a vented opti cam gear?
  196. tick tick tick
  197. Lt1 spark plugs
  198. Help! 93 t/a t56 wont start after rain
  199. Temp Sensor, Fuel Gauge, Overheating, and high Idle.???
  200. Adjusting Lifter/Rocker
  201. Lpp headers
  202. Exhaust Manifold Gasket Alignment
  203. Vacuum loss after Zero lash
  204. New heads, cam, and lots of other stuff. Here's a vid.
  205. New 94 Trans am
  206. Cam ?
  207. Lt1 clearance question
  208. Comp cams 306
  209. no oil at rockers
  210. Urgent Help !
  211. coolant temperature sensor relocation
  212. Help me locate connector
  213. Urgent Sudden Misfire out of the blue ???
  214. possible opti problem on 94 formula
  215. Large fluctuation in Temperature
  216. Urgent FireBird Lt1 problems
  217. 1996 lt performance help
  218. 93 z28 need help asap please.
  219. MSD 8.5mm Wire Routing?
  220. Question 4th Gen camaro LT1 stalling when warm
  221. Wtf just happened.
  222. Fuel Injector Compatibility
  223. 97 Z28 tried-Jet PCM Stage 2-Ran Crappy
  224. Question Michigan area LT1 mechanic
  225. power loss to no start
  226. Zero Lash vs Preload ???
  227. Ignition help!!!!
  228. LT1 Steering Fluid Type?
  229. O2 Sensor Problem?
  230. Hp estimates
  231. Gas in oil
  232. Question roller rockers 1.6
  233. Replacing Head Bolts
  234. Question Root or Centrifugal Supercharger?
  235. LT1 build and tune
  236. VATS Bypass Module wiring
  237. Can't pull out anymore hair ,
  238. Question Leaking exhaust at header collectors????
  239. check engine light until the brakes are applied
  240. Iron head build hope all these parts will work good together..
  241. Can you bypass the LT1 Crank sensor?
  242. Rerouting PCV hose for Catch Can
  243. Another opti issue?
  244. Question Will these work for me?
  245. Exhaust is kind of stinky
  246. opti or something else
  247. What head gasket to get.
  248. Urgent LT1 misfire after fitting a cat back slp loudmouth exhaust
  249. 95 formula bucked and stalled no start
  250. LT1 Stalls Under Load and Warm