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

: LT1 | LT4 | L99 Engine Tech



  1. No fuel pressure w/ new pump. Bad relay?
  2. Changing out rusted injectors
  3. Question Timing chain position
  4. Question O2 Sensors
  5. 4th gen parts books, found new link
  6. New Fuel Injectors?
  7. AIR Injection Pump?
  8. Clutch possibly ?
  9. Starting Problems
  10. Drivers Window
  11. Blown head gasket/effect running/new mods now
  12. Billet clutch fork
  13. Urgent P0300 with Identical Misses at #7 and #2
  14. Need help identifying chirp and ticking noise (video)
  15. 93 LT1 valve groove question - double groove and seals etc
  16. Question about coil wire on MSD coil
  17. Sealant used on intake manifold
  18. 96 impala ss LT1 issue
  19. Question Help identifying GM roller rockers
  20. Loud chirp at idle. Goes away with throttle
  21. Question Why is this happening to ME?
  22. rebuild time
  23. 1994 Camaro z28 M6 Build: Making 2 cars 1
  24. CC306 Did I Order the Wrong thing
  25. How much boost on a stock crank? Good Cr?
  26. Lt1 383 want start
  27. Lt4 Double springs?
  28. Engine making noises
  29. LT1 Rebuild Help
  30. Whats the purpose of this box / solenoid ?
  31. Picked up a 95' M6 T-top with a bad motor.
  32. 847 cam
  33. My 96 Z28 Build.
  34. Burnt Wood Smell Radiator Flush
  35. Reasons for coolant backing up into reservoir
  36. 97 z28 Replace Radiator and might as well...
  37. Alternator relocation finished
  38. Question 1995 LT1 Bleeding coolant system
  39. Question LT1 Ticking Noise
  40. First datalog down the strip.
  41. LT1 Oil Level Sensor?
  42. Urgent LT1 crank hub install. Threaded rod needed.
  43. Discuss Snake Oil?
  44. LT1:whats the output on the fuel pressure regulator
  45. Found this when I took the valve covers off..
  46. Fuel pump ideas
  47. AIR Delete Question
  48. Lt1 tapping sound
  49. Should I be happy ?
  50. LT1 high quality water pump seal
  51. Heads ???
  52. Whats up with my LT1? Engine light at high rpm
  53. Is this a good deal?
  54. Lt1 acting weird slow response bogs when hot
  55. Oil Breather may have been put on wrong
  56. LT1 Seized and Weird Parts In Oil Pan
  57. LT1 noises on video - lifter, injectors, cam lobe or bent rod??
  58. CC306 383 passed emissions
  59. Weird sound at WOT with loss of power
  60. Question Which LT1 cylinders have highest EGT
  61. lt1 383 boosted stumbles over 3k
  62. 1995 Firebird Overheating
  63. Help please
  64. Cam only LT-1 Corvette, what bolt on next?
  65. car starts, then shuts off
  66. Urgent Running hotter than normal
  67. Low Dyno Numbers
  68. Question What lifters and timing set to run on lt1 with the comp 292
  69. All of a sudden runing rich and now if you clear it up blue ish smoke
  70. Urgent Lt1 383 with comp 292 what timing set and lifters
  71. Precheck for smog
  72. I have a 93 Trans Am with 5.7L LT1. What manual transmission will bolt on directly?
  73. LT1 hesitation in RestoMod
  74. 94 LT1 OBI O2 Sensor Clarification
  75. Cam installed 1.6 rr install think i have a bad rocker adjustment
  76. L99 4.3 to LT1 swap issues..
  77. 1994 swap 1996 LT1 Opti spark.
  78. A/C Compressor leaking
  79. throttle body coupler help
  80. 1993 Fbody LT1 shutting down after 10 mins of driving
  81. Almost 2 weeks searching for Delphi
  82. What is this (pic inside)?
  83. Question Engine Damage?
  84. Question Wh
  85. Help. Fuel in oil
  86. Post engine swap - stuck in open loop
  87. Air Conditioner Compressor keeps shutting down
  88. FPR Screw/Bolt Size
  89. Optispark 2016
  90. Discuss Does this look correct or not?....Need help BAD!
  91. 95 Lt1 with weird problem
  92. seeking opinions
  93. EGR issue
  94. a couple of questions
  95. 1994 Corvette CCM issue C41 Runs then Dies
  96. 95 firebird lt1
  97. Urgent LT1 timing cover bolts, how many?
  98. eehack log
  99. What do I need to install a 6al and 2 step?
  100. Running rich when coasting along.
  101. Need help with engine idle trouble
  102. Question Really Need Some Help With Rockers
  103. Question Knock Retard
  104. coolant temp sensor
  105. Corvette suddenly died and now no spark
  106. Question Engine hot, lean and missing after opti & O2's
  107. So I Drain My Oil & This Is What I Find (Help)
  108. Water coming from oil filter
  109. 94 lt1 TPS Voltage
  110. Fuel Filter Question
  111. Fans not working, relays have power but don't click
  112. Can't get air injection tube from exhaust manifold
  113. Caution: Do NOT use NAPA/Dorman oil-drain seals for steam pipe seals
  114. 96 Impala LT1 180 stat 160 programming ?
  115. Question Engine ping on high milage LT1
  116. Does LT1Fans run when car is off?
  117. 94 LT1 wont start. HELP!
  118. Harmonic Balacer won't go on
  119. Missfire Issue
  120. Weird Issue
  121. Stroker kit
  122. Fuel Injector Question
  123. Urgent Car dies intermittently
  124. Need help diagnosing grinding noise
  125. high fuel pressure
  126. LT1 or LT4 fuel rails?
  127. Stupid idle question
  128. 1994 fleetwood cadilliac HELP!!!
  129. is there a cheaper way to swap in an LT1 other than this kit? into a 03 s10?
  130. Urgent 1996 firebird not starting
  131. Question 1994 Code 29 eas fault
  132. Lunati bootlegger cams
  133. Help Please
  134. Internal vacume leak on lt1 engine
  135. Question LT1 Troubles
  136. Urgent Is this a vented opti cam gear?
  137. tick tick tick
  138. Lt1 spark plugs
  139. Help! 93 t/a t56 wont start after rain
  140. Temp Sensor, Fuel Gauge, Overheating, and high Idle.???
  141. Adjusting Lifter/Rocker
  142. Lpp headers
  143. Exhaust Manifold Gasket Alignment
  144. Vacuum loss after Zero lash
  145. New heads, cam, and lots of other stuff. Here's a vid.
  146. New 94 Trans am
  147. Cam ?
  148. Lt1 clearance question
  149. Comp cams 306
  150. no oil at rockers
  151. Urgent Help !
  152. coolant temperature sensor relocation
  153. Help me locate connector
  154. Urgent Sudden Misfire out of the blue ???
  155. possible opti problem on 94 formula
  156. Large fluctuation in Temperature
  157. Urgent FireBird Lt1 problems
  158. 1996 lt performance help
  159. 93 z28 need help asap please.
  160. MSD 8.5mm Wire Routing?
  161. Question 4th Gen camaro LT1 stalling when warm
  162. Wtf just happened.
  163. Fuel Injector Compatibility
  164. 97 Z28 tried-Jet PCM Stage 2-Ran Crappy
  165. Question Michigan area LT1 mechanic
  166. power loss to no start
  167. Zero Lash vs Preload ???
  168. Ignition help!!!!
  169. LT1 Steering Fluid Type?
  170. O2 Sensor Problem?
  171. Hp estimates
  172. Gas in oil
  173. Question roller rockers 1.6
  174. Replacing Head Bolts
  175. Question Root or Centrifugal Supercharger?
  176. LT1 build and tune
  177. VATS Bypass Module wiring
  178. Can't pull out anymore hair ,
  179. Question Leaking exhaust at header collectors????
  180. check engine light until the brakes are applied
  181. Iron head build hope all these parts will work good together..
  182. Can you bypass the LT1 Crank sensor?
  183. Rerouting PCV hose for Catch Can
  184. Another opti issue?
  185. Question Will these work for me?
  186. Exhaust is kind of stinky
  187. opti or something else
  188. What head gasket to get.
  189. Urgent LT1 misfire after fitting a cat back slp loudmouth exhaust
  190. 95 formula bucked and stalled no start
  191. LT1 Stalls Under Load and Warm
  192. Eratic Idle after warmup
  193. Question Need Help With Headers!
  194. 95 Camaro z28 issues shifting at redline
  195. Urgent Really Need Some Help with a New Rebuilt Motor
  196. LT1 Low Vacuum
  197. Replaced Heads
  198. Hot cam question
  199. Cooling system issues
  200. Higher octane fuel
  201. New best time for the Z28..
  202. Urgent LT1 passenger side header hitting transmission
  203. replacement optispark
  204. No start and backfiring
  205. LT1 swap runs for few seconds, dies
  206. putting on corvette accessory bracket
  207. What oil weight for 97 SS Z28 with Procharger 600B
  208. Won't start running when cold
  209. #7 cylinder has a slight problem
  210. 9C1 Silicone hoses fit LT1 Caprice w/HD cooling?
  211. Exhaust leak = not driveable?
  212. Couple questions:
  213. 94 Trans am won't start
  214. Need help identify motor
  215. ignition control module??
  216. LE1 heads what injectors should I buy?
  217. Not ready to give up yet...
  218. Engine Suddenly Died and Won't start
  219. Quick injectors question
  220. Best wiring harness for '95 LT1?
  221. Car is feeling a little sluggish (Need help from boosted LT1 guys)
  222. AFR 195's #1039, competition package. Any good?
  223. SES light
  224. Fuse keeps blowing, can't find source
  225. 96 buick roadmaster running super rich
  226. Racing Plugs On A 96 LT1?
  227. 1995 lt1 swap
  228. Haven't been on here for a bit.. Some changes I've made
  229. 1995 Trans Am- False Knock?
  230. Need info on changing over 93 engine harness to 94+
  231. help with a couple measurements
  232. Cardone optispark never again
  233. Do I need to upgrade my fuel pump
  234. Alternator issue help!!
  235. which valve springs?
  236. 97 z28 no spark no injector pulse
  237. First time build
  238. Question In line fuel pump or gas tank fuel pump?
  239. Couple of questions
  240. p1642 What to check
  241. odm code & security light
  242. Smoke after warm up and 2 questions more..
  243. accessory bracket
  244. Lt1 pistons/Rods
  245. Lt4 vette manifolds on lt1 camaro
  246. No starting and not understanding why.
  247. looking for lt1 dyno shops in florida
  248. Lt4 springs and 1.6rr on lt1 and 227 cam questions
  249. can't get fuel injectors to open
  250. If you own an OBD1 LT1, you should have a data logger. Here's how....