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

: LT1 | LT4 | L99 Engine Tech



  1. Picked this up for $1,500
  2. Explanation of Tire number meanings?
  3. Discuss LT1 poor performance
  4. Rear diff whinning after gear change?
  5. Anybody ever raced at Palm Beach International Raceway?
  6. LT1 severe misfire, on one cylinder. Sometimes.
  7. opti replacement
  8. 93 Camaro won't start
  9. P0174 Has me scratching my head
  10. DEI boot protectors
  11. Is it worth upgrading to Magnaflow?
  12. 1995 z28 engine swap running poorly
  13. one sound of exhaust louder than normal
  14. a little help with 383 build
  15. Quiet external electric fuel pump?
  16. Question Lagging Throttle Response 96 Vette LT1
  17. Lt1 Camaro overheating issue
  18. lt1 engine problem
  19. Replace LT1 injectors?
  20. Discuss TB coolant bypass, now wont start
  21. will this 383 rotating assemble work for lt1
  22. Need about an inch of lift in the rear
  23. Atf leak after replacing filter.
  24. need help!
  25. EVAP purge solenoid issue
  26. Seeking some help with 96 Roady LT1
  27. Rough idle when in gear.
  28. exhaust manifold gasket replacement question
  29. MM 6 question
  30. Videos on LT1 heads being ported
  31. ANY ideas on weird electrical issue?
  32. diy electrical drive for mech. speedometer
  33. What washers for draglites?
  34. Never again am i buying Wheel locks
  35. Do i need spacers for 15x10 Draglites on firebird?
  36. pushrod measurements tell me??????
  37. Stock clutch HP capacity
  38. Lt1 oil dip stick tube install help
  39. Recommendations on cheap draglite front tires?
  40. Question 95 t/a lt1 starting issues
  41. Question cam for dart pro1 lt1 heads
  42. What lug nuts do I need?
  43. Will 325/50 r15 fit my rear?
  44. Any of you guys using NT555r?
  45. NGK Iridium IX spark plugs. Bad Investment!!!
  46. power loss compression test head gasket air leak please help.
  47. Urgent lt1 misfires and no power please help asap
  48. Cheap drag tire recommendations?
  49. New owner transmission help.
  50. Tune came and and.... WOW!
  51. Discuss Cardone Opti Spark, Good or Bad ?
  52. Transmission Perform Question
  53. Throttlebody booster with aftermarket throttlebody?
  54. ATF leak after transmission filter change.
  55. Anyone removed their front sway bars?
  56. Purpose of cable?
  57. Misfiring problem
  58. Mail Order Tunes
  59. BBK shorty header question
  60. Question Fuel Pressure Regulator
  61. Fuel Pump Replacement Options
  62. Does the ICM have to be bolted on to work?
  63. 97 LT1 going back together... a few questions
  64. What Atf Fluid?
  65. 700r4 stock max WHP?
  66. Upgrade from Flowmaster to Magnaflow?
  67. So I just ordered a tune.
  68. 96 camaro with an occasional miss
  69. speedo discrepancy
  70. Do I already have a tune?
  71. Is this the factory chip?
  72. 96 LT1 Sputter/Jerk/Miss when running at operating temperature.
  73. whirring to loud pop noise
  74. 94 tapping sound
  75. Urgent Starting/Running issues 93 LT1
  76. So how do I tune my car?
  77. Water pump drive shaft seal question
  78. is it worth it??
  79. Urgent VATS Issue???
  80. Question Vette LT1 heads on F Body direct fit?
  81. Electrical problem? Opti? *NEED HELP*
  82. what could this be?
  83. Off Idle and Low RPM Stumble, Loss of Power, NOT the Opti
  84. Discuss New LT4
  85. IAC Wiring diagram
  86. LT1 weird problem
  87. Fog lights scoop
  88. Discuss New Optical Sensor in the works
  89. 1996 z28 Cam Setup *HELP NEEDED*
  90. Just noticed my latest K&N oil filter not made in USA
  91. Urgent knocking noise with video and data
  92. 1996 Z28 Warm Start car won't stay running/missfire
  93. HELP...Opti??
  94. Should i upgrade intake?
  95. Brand New IAC Overextended
  96. Any Guesses on WHP?
  97. Whinning/Humming Noise.
  98. crossfire crank in lt1 block
  99. Backfire question
  100. lifter adjustment help
  101. In a pickle, Best MPH for fuel Economy
  102. mechanic says heads getting to much air optispark opinions please!!
  103. Water pump sealants????
  104. Pulling engine.... got a couple q's
  105. le tfs 215 heads
  106. 94 Camaro code 22 help!!
  107. Urgent Coolant lines
  108. how is this cam and will it work with my setup
  109. differences in lt1 blocks
  110. hard warm starts.
  111. I Need an Education in Engine Vacuum
  112. Question 95 trans am acts weird on highway
  113. I smelled a rat...
  114. Discuss closed loop coolant temp
  115. Blown head Gasket... Time to rebuild?
  116. Strange Idle Issue
  117. ram air help
  118. Question lt1 ram air question
  119. Question could cam bearings installed wrong cause this?
  120. loss of power clicking relay??
  121. lt1 dyno results
  122. Lifters????
  123. what's correct fuel pressure psi and weird shudder
  124. help!!!!!!! lt1 problems after buld
  125. Bad Misfire when hot! Need help please!
  126. lunati cam 54761 - Your thoughts
  127. MAP sensor voltage too low code 34 questions
  128. Urgent LT1 problems
  129. 94 LT1 engine help needed
  130. fuel pump clip fell in tank will it hurt car
  131. found the problem. cant believe this
  132. best spark plugs and wires
  133. Who sells Borla single cat Y pipes still?
  134. Oil leak
  135. LT1 nightmare
  136. Weak spark from coil
  137. asked about datamaster files did tests still nothing
  138. 96 T/A LT1 Power steering issue.
  139. Question Top End Questions
  140. Fuel leak in fuel lines inside fender
  141. Intermittent no start with crossfiring
  142. Knock module
  143. Frame mounts
  144. Question Balancer Hub Bushing? Need to ID part.
  145. Discuss New Pics of motor and a few car pics also
  146. LT1 Rear Main Seal Direction
  147. Question Push rod length, springs rockers
  148. 95 lt1 no start. Please help
  149. can someone help me with this datamaster file so confused
  150. Comps new "Conical" valve spring
  151. valve spring question
  152. 95 trans am running very rough, any ideas?
  153. datamaster works but didn't record made my fuel pump
  154. can't get obd1 cable with laptop to work at all
  155. Bad Lifter?
  156. Need a new crank bolt washer
  157. muffler for car with no cat that sounds agressive
  158. ram air or cai what's better and what brand
  159. what do i need to do switching from 2.73 to 3.73 gear ratio
  160. Question LT1 ignition problem?? 94 z28
  161. fuel pump electrical plug clips
  162. ICM is it ok to buy oreilys bumper to bumper car quest non ac delco
  163. when changing lt1 starters....
  164. 94 z28 lt1 hesitates
  165. Question Why can I not get DTCs
  166. Discuss Haven't been on for a while
  167. Question 1994 formula dtc codes help me please
  168. Opti or coil
  169. LT1 swap FI question
  170. corvette starter
  171. Need more low end...which cam
  172. Urgent lt1 super sluggish
  173. Urgent need help LT1 guys
  174. leak after mechanic tightened rockers valves
  175. Cc503
  176. Question Radiator losing coolant
  177. 93 firebird formula lt1 dtc codes 44 and 55 confused help
  178. Smoke comeing out if exhaust
  179. 94 z28 waiper question
  180. threading for exhaust manifold
  181. o2 question after long tubes and offroad y pipe
  182. Urgent yet another question for the guru's
  183. Question Pump gas and High Compression
  184. correct 02 sensor for 93 firebird formula lt1and egr valve issues?
  185. Optispark problems... Code 36 high resolution
  186. Can't pass smog!!! High NOx levels.
  187. Budget build recommendations?
  188. Split BLM's still
  189. Oil coming out exhaust! No Idea why...
  190. Question before I put the car together after opti replacement
  191. Urgent LT1 Nitrous Activation Problem
  192. Stock Crank for 383 ??
  193. Stock cam mods
  194. Urgent post header install problem
  195. No start or very hard start
  196. Question Need help with EVAP delete
  197. rear main seal Q?
  198. DTC 18 Hard Start
  199. Mobil1 M1-111 vs K&N HP2002
  200. Help! '93 cranks but won't start
  201. Question torsen rear end help.....
  202. 95 formula help
  203. ticking noise sometimes at wot and loss of power
  204. header install questions
  205. Losing power when hot- time slips
  206. Gain In rwhp ?
  207. Lt1 water jacket location help
  208. Got beat by an LS1 today.
  209. Code 32, 34 questions
  210. How much was your machine work/assembly ?
  211. LT1 383 Stroker build GUIDE?
  212. what lifters would you run??
  213. Pulling Harmonic Balancer HELP!!
  214. energy suspension poly transmission mount question
  215. BBK Throttle body leaking Boost
  216. please help so much vibration after switching to poly mounts
  217. Question choosing spark plugs
  218. Question Fuel Pressure Bad or normal?
  219. Ls4 intake on lt1
  220. 1993 firebird lt1 sitting lower on pass side help please?
  221. Throttle body coolant bypass help!
  222. Are 50# injectors too big for my build
  223. Urgent 1.8 rocker arms input
  224. Discuss Name that lt1 noise
  225. new motor low oil pressure at hot idle
  226. tps keeps going bad
  227. Electric Water Pump Conversion
  228. Smooth elbow roadblock.
  229. help choosing
  230. Engine Noise
  231. Rocker arm help
  232. Question What Fuel Press should I run?
  233. Question Low coolant light
  234. Spun Bearing????
  235. High idle issue
  236. need help !!!
  237. fuel pump connected line that shouldn't be??
  238. Shift points??? LT4 hotcam....
  239. Question Valve cover help
  240. Lt1 or V6
  241. Question Denso oxygen sensors to replace OEM AFS75 Delcos
  242. 7.5" and 7.65" ring and pinion the same?
  243. gas smell when giving heavy acceleration
  244. acceleration problem solved but strange sucking noise?
  245. IAC Trouble?
  246. False knock?
  247. Something wierd I noticed
  248. which ewp?
  249. Discuss leaking hub seal after two years of replacing it?
  250. 95 Firebird Ram air