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

: LT1 | LT4 | L99 Engine Tech



  1. 93 Trans am no start but cranks
  2. just bought 97ws6 did I get screwed hard shift and engine noise
  3. solid roller info plz.
  4. Hi guys, my car is running really rough and shaking like crazy
  5. HELP, engine fire!
  6. Strong Gas Smell.
  7. Urgent Headgasket?
  8. 3.4-5.7
  9. Front seal help???
  10. Urgent Please help! Intermittent miss; rough, fluctuating idle, and pinging after tune up
  11. Overheating and confused
  12. Oil Leak Mystery
  13. Help with multiple issues
  14. 94 LT1 problems
  15. Understanding Sensor readings to diagnose faulty sensors?
  16. Thoughts on my idea for an engine swap?
  17. Starter crunch during COLD start
  18. Coolant temp sensor connector
  19. WP Drive seal on dry or oiled.
  20. Low oil Pressure at warm idle
  21. stroker cylinder heads??
  22. Big oil pressure but smoking
  23. crank keyway and aftermarket hub and damper/balancer
  24. Lt1 Flooding
  25. Discuss 9c1 motor in a Pontiac Firbird?
  26. Rebuild plans for the a steel head LT1
  27. Coolant gushing out of open radiator
  28. CC304 cam question
  29. Crank Case Pressure Solutions
  30. oustanding stock 1/4 mile time!!
  31. Safest wet shot with my mods?
  32. Engine runs!
  33. Need Square Port Headers for AFR 227 Heads
  34. Coolant bleeder hose
  35. LT1 24x and 58x ignition
  36. unknown part
  37. runing rich after tune
  38. Should i remove exhaust system?
  39. Question High mileage z28
  40. What is my "honest" exhaust bang for buck
  41. small base circle camshaft?
  42. Steering Slop
  43. Is the Optispark an original AC/Delco?
  44. Discuss Spark blow out
  45. New optispark
  46. Are my Tires bogging me down?
  47. Guesses on Dyno ?
  48. collapsed radiator hose question
  49. oil leak = soaked starter
  50. lt1 9c1 swap in 80 g body - starts then dies seconds later
  51. Best place to instal cutout
  52. Picked this up for $1,500
  53. Explanation of Tire number meanings?
  54. Discuss LT1 poor performance
  55. Rear diff whinning after gear change?
  56. Anybody ever raced at Palm Beach International Raceway?
  57. LT1 severe misfire, on one cylinder. Sometimes.
  58. opti replacement
  59. 93 Camaro won't start
  60. P0174 Has me scratching my head
  61. DEI boot protectors
  62. Is it worth upgrading to Magnaflow?
  63. 1995 z28 engine swap running poorly
  64. one sound of exhaust louder than normal
  65. a little help with 383 build
  66. Quiet external electric fuel pump?
  67. Question Lagging Throttle Response 96 Vette LT1
  68. Lt1 Camaro overheating issue
  69. lt1 engine problem
  70. Replace LT1 injectors?
  71. Discuss TB coolant bypass, now wont start
  72. will this 383 rotating assemble work for lt1
  73. Need about an inch of lift in the rear
  74. Atf leak after replacing filter.
  75. need help!
  76. EVAP purge solenoid issue
  77. Seeking some help with 96 Roady LT1
  78. Rough idle when in gear.
  79. exhaust manifold gasket replacement question
  80. MM 6 question
  81. Videos on LT1 heads being ported
  82. ANY ideas on weird electrical issue?
  83. diy electrical drive for mech. speedometer
  84. What washers for draglites?
  85. Never again am i buying Wheel locks
  86. Do i need spacers for 15x10 Draglites on firebird?
  87. pushrod measurements tell me??????
  88. Stock clutch HP capacity
  89. Lt1 oil dip stick tube install help
  90. Recommendations on cheap draglite front tires?
  91. Question 95 t/a lt1 starting issues
  92. Question cam for dart pro1 lt1 heads
  93. What lug nuts do I need?
  94. Will 325/50 r15 fit my rear?
  95. Any of you guys using NT555r?
  96. NGK Iridium IX spark plugs. Bad Investment!!!
  97. power loss compression test head gasket air leak please help.
  98. Urgent lt1 misfires and no power please help asap
  99. Cheap drag tire recommendations?
  100. New owner transmission help.
  101. Tune came and and.... WOW!
  102. Discuss Cardone Opti Spark, Good or Bad ?
  103. Transmission Perform Question
  104. Throttlebody booster with aftermarket throttlebody?
  105. ATF leak after transmission filter change.
  106. Anyone removed their front sway bars?
  107. Purpose of cable?
  108. Misfiring problem
  109. Mail Order Tunes
  110. BBK shorty header question
  111. Question Fuel Pressure Regulator
  112. Fuel Pump Replacement Options
  113. Does the ICM have to be bolted on to work?
  114. 97 LT1 going back together... a few questions
  115. What Atf Fluid?
  116. 700r4 stock max WHP?
  117. Upgrade from Flowmaster to Magnaflow?
  118. So I just ordered a tune.
  119. 96 camaro with an occasional miss
  120. speedo discrepancy
  121. Do I already have a tune?
  122. Is this the factory chip?
  123. 96 LT1 Sputter/Jerk/Miss when running at operating temperature.
  124. whirring to loud pop noise
  125. 94 tapping sound
  126. Urgent Starting/Running issues 93 LT1
  127. So how do I tune my car?
  128. Water pump drive shaft seal question
  129. is it worth it??
  130. Urgent VATS Issue???
  131. Question Vette LT1 heads on F Body direct fit?
  132. Electrical problem? Opti? *NEED HELP*
  133. what could this be?
  134. Off Idle and Low RPM Stumble, Loss of Power, NOT the Opti
  135. Discuss New LT4
  136. IAC Wiring diagram
  137. LT1 weird problem
  138. Fog lights scoop
  139. Discuss New Optical Sensor in the works
  140. 1996 z28 Cam Setup *HELP NEEDED*
  141. Just noticed my latest K&N oil filter not made in USA
  142. Urgent knocking noise with video and data
  143. 1996 Z28 Warm Start car won't stay running/missfire
  144. HELP...Opti??
  145. Should i upgrade intake?
  146. Brand New IAC Overextended
  147. Any Guesses on WHP?
  148. Whinning/Humming Noise.
  149. crossfire crank in lt1 block
  150. Backfire question
  151. lifter adjustment help
  152. In a pickle, Best MPH for fuel Economy
  153. mechanic says heads getting to much air optispark opinions please!!
  154. Water pump sealants????
  155. Pulling engine.... got a couple q's
  156. le tfs 215 heads
  157. 94 Camaro code 22 help!!
  158. Urgent Coolant lines
  159. how is this cam and will it work with my setup
  160. differences in lt1 blocks
  161. hard warm starts.
  162. I Need an Education in Engine Vacuum
  163. Question 95 trans am acts weird on highway
  164. I smelled a rat...
  165. Discuss closed loop coolant temp
  166. Blown head Gasket... Time to rebuild?
  167. Strange Idle Issue
  168. ram air help
  169. Question lt1 ram air question
  170. Question could cam bearings installed wrong cause this?
  171. loss of power clicking relay??
  172. lt1 dyno results
  173. Lifters????
  174. what's correct fuel pressure psi and weird shudder
  175. help!!!!!!! lt1 problems after buld
  176. Bad Misfire when hot! Need help please!
  177. lunati cam 54761 - Your thoughts
  178. MAP sensor voltage too low code 34 questions
  179. Urgent LT1 problems
  180. 94 LT1 engine help needed
  181. fuel pump clip fell in tank will it hurt car
  182. found the problem. cant believe this
  183. best spark plugs and wires
  184. Who sells Borla single cat Y pipes still?
  185. Oil leak
  186. LT1 nightmare
  187. Weak spark from coil
  188. asked about datamaster files did tests still nothing
  189. 96 T/A LT1 Power steering issue.
  190. Question Top End Questions
  191. Fuel leak in fuel lines inside fender
  192. Intermittent no start with crossfiring
  193. Knock module
  194. Frame mounts
  195. Question Balancer Hub Bushing? Need to ID part.
  196. Discuss New Pics of motor and a few car pics also
  197. LT1 Rear Main Seal Direction
  198. Question Push rod length, springs rockers
  199. 95 lt1 no start. Please help
  200. can someone help me with this datamaster file so confused
  201. Comps new "Conical" valve spring
  202. valve spring question
  203. 95 trans am running very rough, any ideas?
  204. datamaster works but didn't record made my fuel pump
  205. can't get obd1 cable with laptop to work at all
  206. Bad Lifter?
  207. Need a new crank bolt washer
  208. muffler for car with no cat that sounds agressive
  209. ram air or cai what's better and what brand
  210. what do i need to do switching from 2.73 to 3.73 gear ratio
  211. Question LT1 ignition problem?? 94 z28
  212. fuel pump electrical plug clips
  213. ICM is it ok to buy oreilys bumper to bumper car quest non ac delco
  214. when changing lt1 starters....
  215. 94 z28 lt1 hesitates
  216. Question Why can I not get DTCs
  217. Discuss Haven't been on for a while
  218. Question 1994 formula dtc codes help me please
  219. Opti or coil
  220. LT1 swap FI question
  221. corvette starter
  222. Need more low end...which cam
  223. Urgent lt1 super sluggish
  224. Urgent need help LT1 guys
  225. leak after mechanic tightened rockers valves
  226. Cc503
  227. Question Radiator losing coolant
  228. 93 firebird formula lt1 dtc codes 44 and 55 confused help
  229. Smoke comeing out if exhaust
  230. 94 z28 waiper question
  231. threading for exhaust manifold
  232. o2 question after long tubes and offroad y pipe
  233. Urgent yet another question for the guru's
  234. Question Pump gas and High Compression
  235. correct 02 sensor for 93 firebird formula lt1and egr valve issues?
  236. Optispark problems... Code 36 high resolution
  237. Can't pass smog!!! High NOx levels.
  238. Budget build recommendations?
  239. Split BLM's still
  240. Oil coming out exhaust! No Idea why...
  241. Question before I put the car together after opti replacement
  242. Urgent LT1 Nitrous Activation Problem
  243. Stock Crank for 383 ??
  244. Stock cam mods
  245. Urgent post header install problem
  246. No start or very hard start
  247. Question Need help with EVAP delete
  248. rear main seal Q?
  249. DTC 18 Hard Start
  250. Mobil1 M1-111 vs K&N HP2002