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

: LT1 | LT4 | L99 Engine Tech



  1. CPS Reluctor Ring
  2. P1641 Code - shorted PCM fan wire to 12V hot
  3. 383 stroker compress ratio
  4. Engine swap/new car
  5. Systemic chronic coolant leaks. Cannot figure out.
  6. White smoke
  7. Oiling issue
  8. Starting issues!!!
  9. Question intake gaskets where do i need to put RTV
  10. Question lt1 oil pump driveshaft removal with pics?
  11. 1995 formula and day lights.
  12. 1992 Corvette - donor for Factory Five 33 Hot Rod opinions
  13. help with 95 trans am
  14. AC delete
  15. The Indmar LT-1
  16. Refresh the head gaskets?
  17. Slight amount of metal dust in oil and name that sound
  18. Running Rich at Idle - DataMaster and Excel included
  19. Cracked heater hose
  20. lt1 crankshaft sensor
  21. Urgent No start/crank/lights
  22. Shon herron
  23. Oil pump drive gear
  24. LT1 Coolant Temp Sensor
  25. 94 new vented opti
  26. 1995 Trans Am, Bad Lower end. Options ?
  27. Question ignition control module issue on lt1
  28. ram air ls1 conversion to lt1
  29. Strange cold start (IAC valve?)
  30. ls1 coil/ pcm conversion wiring harness for lt1??
  31. iron heads to 11.5:1+cr
  32. O2 sensors
  33. Question Huge backfire now it doesn't run
  34. Advice on Optispark, waterpump?
  35. runs bad again
  36. At a loss, 95 z28 down
  37. Big oil leak 96 TA
  38. cam upgrade
  39. OBD I/II code readers only $75 at summit.
  40. New head gasket leaking oil external
  41. Question EARTHQUAKE shake in 5th & 6th Gear
  42. Crank, rods, piston selection
  43. lt1 sputtering at acceleration/codes 23,24,44,64
  44. Opti Spark?
  45. Fuel injector cleaning
  46. 96 TA Oil pressure(part 2)
  47. service engine soon light on
  48. Looking for some input
  49. Question Spark retard/Tune vs stock
  50. 96 TA oil pressure
  51. Is a 94 LT1 PCM the same as a 95 LT1 PCM?
  52. Is changing from single cat '94 to dual exhaust with dual cats legal in Nevada?
  53. No rear brakes!
  54. Oil pump??
  55. problem not fixed need help
  56. Any others had issues with Stant thermostats?
  57. LT1 Backfiring randomly
  58. 1993 firebird lt1boggs down and clicks under hood. going crazy!!!
  59. oil/coolant problem
  60. Upgrade Potential?
  61. Tips for repairs
  62. What gears do I have?
  63. Cam question
  64. Cc503 require degreeing?
  65. Question Oil pressure 18-20psi at hot idle?
  66. Question Just bought a 1994 Z28 and can't get it to start? Any help with where to start?
  67. Looking for LT-1 rebuilder in Metro Detroit
  68. Urgent will a 1996 lt1 engine work in a 1995 lt1 firebird?
  69. 1996 trans am tuner/programmer
  70. Sudden "No Start" This Morning! Help!
  71. Discuss Dropping Engine. Smokes and Needs Cleaning/gaskets
  72. Stumped on my low rpm misfire
  73. Question Datalogging- Risks?
  74. Cooling Fan Questions
  75. CAI necessary for the LT1?
  76. 96 caprice lt1 4l60e work on a 96 lt1 trans am
  77. CC503 Valve Springs
  78. Fouled plugs
  79. Question What oil to run???
  80. Question Supercharger Advice needed...
  81. Discuss Oil Cooler
  82. In denial that I need to replace the optispark
  83. How to build real power with the Lt1 !!!!!!!
  84. IM Vacuum Tee Fitting for Vented Optispark Conversion
  85. Question Almost stalls
  86. 95 Formula 383 Horrible vibration
  87. Just looking for some input on my wheels
  88. My port matched heads...
  89. Changing opti, possible leak, need advice on attached pics
  90. Idle surge issue advice needed please
  91. Urgent Best price for 160*F T-stat and water pump?
  92. Urgent cam swap now runs like shit
  93. Oil pressure, low voltage, rough ilde/rev
  94. Pulling the VIN off of my block
  95. codes p0132 and p0152 AGAIN
  96. New Delphi Prep?
  97. Difference in optispark models
  98. LT1 build advise
  99. Back firing while trying to start
  100. Question 1994 lt1 hardstart
  101. Urgent Having oil pressure problems :(
  102. Lt1 vs ls1
  103. Best spark plug wires
  104. Summit stroker kit
  105. Opti mod for 411 swap
  106. 1995 LT1 start then dies
  107. LT1 Starts and Stalls
  108. Tuning Guidence
  109. Coolent steam tube gasket leaking ?
  110. difference between an ls1 stall and lt1 stall
  111. Lt1 in ratrod running terribly.
  112. Im dumping coolant on cold starts.
  113. LT1 Powermaster XS Torque Starter
  114. Shocking find
  115. Vacuum help
  116. New exhaust dyno #'s
  117. id help!
  118. lt1 cranks but wont start
  119. MAF bad or just needs to be reacalibrated?
  120. Check gauges light then rough idle on lt1
  121. 94 Trans Am, Rough Idle and More
  122. Oil System Prime with LS7 Lifters ?
  123. Urgent 94 z-28 - Cant find a solution to my hesitation! Need help!
  124. Question O2 sensor
  125. Rattle noise in engine compartment
  126. Can a tune increase gas mileage for an 93 TA?
  127. Optispark bearing
  128. Question Rear Main Seal Replacement
  129. Lt1 Coolent loss help
  130. Backfire and misfire 95 z28
  131. No ac voltage at ICM
  132. rough idle now no start
  133. One spark plug (middle on the driver's side) looks oil-covered. Can a tune help?
  134. Need some help
  135. dyno tune near phila
  136. Getting distributor cap off
  137. Question TPiS Mini Ram Manifold
  138. Maxlife or Mobil 1, Oil Pressure?
  139. who can tune my computer?
  140. Lt1 intake questions
  141. Question Oil leak
  142. 1.6 roller rockers
  143. cruise to WOT tuning....
  144. Question Mods/Potential gains
  145. Help valve covers!
  146. Question Billet Timing cover LT1
  147. 96 firebird formula battery cables
  148. please help
  149. Best places for parts
  150. Tuning
  151. Question confused?
  152. cam part number
  153. Guess My Horsepower
  154. New Vaccum Lines??
  155. Long tubes and new duals all done...
  156. Really weird electrical short that no one seems to have experienced...
  157. Water Pump / Optispark Replaced!
  158. 96 swap into 94
  159. lt1 tuning
  160. Question where can i get a gen I DELPHI optispark without going online?
  161. Quoting out Rear Ends
  162. 396 build in progress! Cam suggestions
  163. Urgent Lt1 trans am not working PLEASE HELP! NEW HERE!
  164. Question Matching gauges
  165. Coolant temp sensor 1+2 wire
  166. DTC 53 system voltage too high
  167. turboing an lt1? have the chance to buy a kit
  168. Discuss LT1 Power Inquiry
  169. Question 383 build
  170. Question Good Starter?
  171. Question please help 500whp goal
  172. Valve springs and roller rockers
  173. LT1/LT4 Engine Builders (Mid-Atlantic Area)?
  174. Upper Front End Motor Noise
  175. Question LT-1 in a 68 EL Camino, Headers?
  176. rear end problem need help asap
  177. Question A 500 whp LT1
  178. need info on my tune for my 93z
  179. PNP switch
  180. Question Alternator not charging after sitting... Read On.
  181. Help!
  182. LT1 T56 bleed issue
  183. What are your fuel pressure readings on a 95 LT1 Supply and Return
  184. Misfire when hot
  185. IAC position vs Idle
  186. Head and Intake porting
  187. Gen 1/2 block interchangeable?
  188. Question 1989 c1500 lt1 swap problems
  189. lt1 header question
  190. 93 T/A, bypassed VATS, still need help
  191. LT1 fuel problems
  192. 95 Camaro Computer swap
  193. Possible throttle cable prob
  194. MSD Opti on ebay
  195. 383 stroker Build
  196. just bought first lt1 6 speed were do i start? (PICS)
  197. Question need help!!
  198. Wiring/PCM Issue
  199. Question Fan switch
  200. 97 lt1 intake
  201. About to drop the lt1 in
  202. Hypertech to change rear gear ratio
  203. Question MSD Opti 83811
  204. CC 503 cam
  205. Question 17,000 Miles lt1 C4 Engine??
  206. Help me diagnose my problem? No spark!
  207. Question Electric Water Pump???
  208. Fuel Injector Brands
  209. Overdrive misfire
  210. 1996 LT1 not running correctly
  211. LT1 Cranks, has spark & fuel, no start
  212. Time to get serious, rebuild part 2
  213. Is this my opti gone?
  214. a few general questions
  215. removal of underdrive pully
  216. 24x Conversion - Harness Pics Before & After
  217. Fouled plugs??
  218. Calibrating MAF
  219. FI vs N/A? Watch this video.
  220. Diagnosing a Problem
  221. Dying Formula...?
  222. Question Canton Oil Pan Question?
  223. Weird......
  224. Question Trans AM LT1 - rebuild engine
  225. Low MPG's
  226. 1993 lt1 harmonic balancer
  227. Question Custom Cam decision? Help!
  228. Best camshaft for stock 96 trans am
  229. Urgent Ide problems
  230. hard start
  231. Question What size TB should I run???
  232. '93 Formula No Start
  233. Urgent 94 Formula no start?
  234. Motor Mounts - need new ones
  235. fuel pump volt blaster. do i really need one?
  236. GMPP beehive spring kit $350?
  237. 94 z28 dies when engine gets warm
  238. Starting issue/have to give gas
  239. msd 6AL install onto my lt1
  240. head studs overheating questions
  241. crank choice?
  242. need some advice on engine rebuild
  243. Put 1996 lt1 'vette engine and 4l60e trans into 94 Trans am, do-able?
  244. Electric Water Pump - Questions
  245. Replaced my starter and now it wont crank?
  246. Ohio Crankshaft 383 super kit
  247. Very high idle
  248. LT1 swap, is it worth the trouble?
  249. Question Car overheats until it is warmed up.
  250. cheap low 12 second car