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

: LT1 | LT4 | L99 Engine Tech



  1. Rear end ?
  2. Question Idle rough in Park, smooth in Gear.
  3. Question Looking Lt1 carb intake
  4. Stock valve adjustment
  5. Lt1 intake cleaning
  6. Gm846 stock heads
  7. Lt1 vette, 1st paint job
  8. LT1 head gaskets
  9. Trans Am running rough
  10. HELP! 94Z Lack of low end torque, hesitation, stumbling!
  11. Oil in opti, replaced cap, now won't start
  12. No Spark After Smoke From Solenoid (Pic Inside)
  13. My budget 383 build pricing.
  14. WTF is this thing
  15. Another LT1 flywheel and clutch balance problem
  16. Online/email tuning
  17. Newbie to OptiSpark never fix it unless its broken
  18. Loss of Power and Knock in Datalog-Misfires?
  19. Lt1 never starts first try.
  20. GM Hot Cam?
  21. 1995 Trans am motor swap from 1994 corvette zr1
  22. Lt1 to Lt4 swap - computer issues ?
  23. Urgent help with harmonic balancer removal
  24. tuning help 383
  25. Questions opti
  26. Modified cooling fan help
  27. LT1 crank hub install, help!
  28. Lt1 cooling system building pressure
  29. LT1 crate
  30. OBDII PCM in 1994 Z28?
  31. Egr question (first lt1)
  32. GAUGES: oil pressure switch,Tach and Water ??
  33. Lt1 smoke
  34. Yet another fan issue, but unique.
  35. ***** its alive *****
  36. High/Low idle
  37. No fuel pressure w/ new pump. Bad relay?
  38. Changing out rusted injectors
  39. Question Timing chain position
  40. Question O2 Sensors
  41. 4th gen parts books, found new link
  42. New Fuel Injectors?
  43. AIR Injection Pump?
  44. Clutch possibly ?
  45. Starting Problems
  46. Drivers Window
  47. Blown head gasket/effect running/new mods now
  48. Billet clutch fork
  49. Urgent P0300 with Identical Misses at #7 and #2
  50. Need help identifying chirp and ticking noise (video)
  51. 93 LT1 valve groove question - double groove and seals etc
  52. Question about coil wire on MSD coil
  53. Sealant used on intake manifold
  54. 96 impala ss LT1 issue
  55. Question Help identifying GM roller rockers
  56. Loud chirp at idle. Goes away with throttle
  57. Question Why is this happening to ME?
  58. rebuild time
  59. 1994 Camaro z28 M6 Build: Making 2 cars 1
  60. CC306 Did I Order the Wrong thing
  61. How much boost on a stock crank? Good Cr?
  62. Lt1 383 want start
  63. Lt4 Double springs?
  64. Engine making noises
  65. LT1 Rebuild Help
  66. Whats the purpose of this box / solenoid ?
  67. Picked up a 95' M6 T-top with a bad motor.
  68. 847 cam
  69. My 96 Z28 Build.
  70. Burnt Wood Smell Radiator Flush
  71. Reasons for coolant backing up into reservoir
  72. 97 z28 Replace Radiator and might as well...
  73. Alternator relocation finished
  74. Question 1995 LT1 Bleeding coolant system
  75. Question LT1 Ticking Noise
  76. First datalog down the strip.
  77. LT1 Oil Level Sensor?
  78. Urgent LT1 crank hub install. Threaded rod needed.
  79. Discuss Snake Oil?
  80. LT1:whats the output on the fuel pressure regulator
  81. Found this when I took the valve covers off..
  82. Fuel pump ideas
  83. AIR Delete Question
  84. Lt1 tapping sound
  85. Should I be happy ?
  86. LT1 high quality water pump seal
  87. Heads ???
  88. Whats up with my LT1? Engine light at high rpm
  89. Is this a good deal?
  90. Lt1 acting weird slow response bogs when hot
  91. Oil Breather may have been put on wrong
  92. LT1 Seized and Weird Parts In Oil Pan
  93. LT1 noises on video - lifter, injectors, cam lobe or bent rod??
  94. CC306 383 passed emissions
  95. Weird sound at WOT with loss of power
  96. Question Which LT1 cylinders have highest EGT
  97. lt1 383 boosted stumbles over 3k
  98. 1995 Firebird Overheating
  99. Help please
  100. Cam only LT-1 Corvette, what bolt on next?
  101. car starts, then shuts off
  102. Urgent Running hotter than normal
  103. Low Dyno Numbers
  104. Question What lifters and timing set to run on lt1 with the comp 292
  105. All of a sudden runing rich and now if you clear it up blue ish smoke
  106. Urgent Lt1 383 with comp 292 what timing set and lifters
  107. Precheck for smog
  108. I have a 93 Trans Am with 5.7L LT1. What manual transmission will bolt on directly?
  109. LT1 hesitation in RestoMod
  110. 94 LT1 OBI O2 Sensor Clarification
  111. Cam installed 1.6 rr install think i have a bad rocker adjustment
  112. L99 4.3 to LT1 swap issues..
  113. 1994 swap 1996 LT1 Opti spark.
  114. A/C Compressor leaking
  115. throttle body coupler help
  116. 1993 Fbody LT1 shutting down after 10 mins of driving
  117. Almost 2 weeks searching for Delphi
  118. What is this (pic inside)?
  119. Question Engine Damage?
  120. Question Wh
  121. Help. Fuel in oil
  122. Post engine swap - stuck in open loop
  123. Air Conditioner Compressor keeps shutting down
  124. FPR Screw/Bolt Size
  125. Optispark 2016
  126. Discuss Does this look correct or not?....Need help BAD!
  127. 95 Lt1 with weird problem
  128. seeking opinions
  129. EGR issue
  130. a couple of questions
  131. 1994 Corvette CCM issue C41 Runs then Dies
  132. 95 firebird lt1
  133. Urgent LT1 timing cover bolts, how many?
  134. eehack log
  135. What do I need to install a 6al and 2 step?
  136. Running rich when coasting along.
  137. Need help with engine idle trouble
  138. Question Really Need Some Help With Rockers
  139. Question Knock Retard
  140. coolant temp sensor
  141. Corvette suddenly died and now no spark
  142. Question Engine hot, lean and missing after opti & O2's
  143. So I Drain My Oil & This Is What I Find (Help)
  144. Water coming from oil filter
  145. 94 lt1 TPS Voltage
  146. Fuel Filter Question
  147. Fans not working, relays have power but don't click
  148. Can't get air injection tube from exhaust manifold
  149. Caution: Do NOT use NAPA/Dorman oil-drain seals for steam pipe seals
  150. 96 Impala LT1 180 stat 160 programming ?
  151. Question Engine ping on high milage LT1
  152. Does LT1Fans run when car is off?
  153. 94 LT1 wont start. HELP!
  154. Harmonic Balacer won't go on
  155. Missfire Issue
  156. Weird Issue
  157. Stroker kit
  158. Fuel Injector Question
  159. Urgent Car dies intermittently
  160. Need help diagnosing grinding noise
  161. high fuel pressure
  162. LT1 or LT4 fuel rails?
  163. Stupid idle question
  164. 1994 fleetwood cadilliac HELP!!!
  165. is there a cheaper way to swap in an LT1 other than this kit? into a 03 s10?
  166. Urgent 1996 firebird not starting
  167. Question 1994 Code 29 eas fault
  168. Lunati bootlegger cams
  169. Help Please
  170. Internal vacume leak on lt1 engine
  171. Question LT1 Troubles
  172. Urgent Is this a vented opti cam gear?
  173. tick tick tick
  174. Lt1 spark plugs
  175. Help! 93 t/a t56 wont start after rain
  176. Temp Sensor, Fuel Gauge, Overheating, and high Idle.???
  177. Adjusting Lifter/Rocker
  178. Lpp headers
  179. Exhaust Manifold Gasket Alignment
  180. Vacuum loss after Zero lash
  181. New heads, cam, and lots of other stuff. Here's a vid.
  182. New 94 Trans am
  183. Cam ?
  184. Lt1 clearance question
  185. Comp cams 306
  186. no oil at rockers
  187. Urgent Help !
  188. coolant temperature sensor relocation
  189. Help me locate connector
  190. Urgent Sudden Misfire out of the blue ???
  191. possible opti problem on 94 formula
  192. Large fluctuation in Temperature
  193. Urgent FireBird Lt1 problems
  194. 1996 lt performance help
  195. 93 z28 need help asap please.
  196. MSD 8.5mm Wire Routing?
  197. Question 4th Gen camaro LT1 stalling when warm
  198. Wtf just happened.
  199. Fuel Injector Compatibility
  200. 97 Z28 tried-Jet PCM Stage 2-Ran Crappy
  201. Question Michigan area LT1 mechanic
  202. power loss to no start
  203. Zero Lash vs Preload ???
  204. Ignition help!!!!
  205. LT1 Steering Fluid Type?
  206. O2 Sensor Problem?
  207. Hp estimates
  208. Gas in oil
  209. Question roller rockers 1.6
  210. Replacing Head Bolts
  211. Question Root or Centrifugal Supercharger?
  212. LT1 build and tune
  213. VATS Bypass Module wiring
  214. Can't pull out anymore hair ,
  215. Question Leaking exhaust at header collectors????
  216. check engine light until the brakes are applied
  217. Iron head build hope all these parts will work good together..
  218. Can you bypass the LT1 Crank sensor?
  219. Rerouting PCV hose for Catch Can
  220. Another opti issue?
  221. Question Will these work for me?
  222. Exhaust is kind of stinky
  223. opti or something else
  224. What head gasket to get.
  225. Urgent LT1 misfire after fitting a cat back slp loudmouth exhaust
  226. 95 formula bucked and stalled no start
  227. LT1 Stalls Under Load and Warm
  228. Eratic Idle after warmup
  229. Question Need Help With Headers!
  230. 95 Camaro z28 issues shifting at redline
  231. Urgent Really Need Some Help with a New Rebuilt Motor
  232. LT1 Low Vacuum
  233. Replaced Heads
  234. Hot cam question
  235. Cooling system issues
  236. Higher octane fuel
  237. New best time for the Z28..
  238. Urgent LT1 passenger side header hitting transmission
  239. replacement optispark
  240. No start and backfiring
  241. LT1 swap runs for few seconds, dies
  242. putting on corvette accessory bracket
  243. What oil weight for 97 SS Z28 with Procharger 600B
  244. Won't start running when cold
  245. #7 cylinder has a slight problem
  246. 9C1 Silicone hoses fit LT1 Caprice w/HD cooling?
  247. Exhaust leak = not driveable?
  248. Couple questions:
  249. 94 Trans am won't start
  250. Need help identify motor