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

: LT1 | LT4 | L99 Engine Tech



  1. Urgent: Broken LT1 Can Retainer Bolt!
  2. Operation 383
  3. SES flashing and major vibration
  4. Largest camshaft that will work w stock computer
  5. clutch fork removal?
  6. Preload Lifters?
  7. swapping LT1 into a 95 Tahoe
  8. Next modification for my LT1?
  9. Question Canton Accusump
  10. LT1 Not starting
  11. IAC question
  12. LT1 External fuel pump issues. HELP!!
  13. Radiator hose swap
  14. Urgent Fast 1500 rpm idle- 1000 in drive
  15. 93 z28
  16. LT1 Swap
  17. heads on 94 z28
  18. No start
  19. Question help with optispark and its drive shaft
  20. MAC Mid Header Fitment
  21. Fuel Pump??
  22. New or Rusty Headers
  23. Radiator advice
  24. Urgent Bad Backfiring, Popping, Snapping
  25. LT1 Stock clutch kit -- Best option?
  26. What do you think
  27. electrical question
  28. build question
  29. high rpm misfire sputter
  30. Urgent Need help
  31. Optispark ohm resistance between obd1 and obs2
  32. OptiSpark info
  33. Jet Hot Headers
  34. Extreme Budget 4x4 LT1
  35. What happens when the Optispark
  36. mallory ignition power and gnd pigtail prob
  37. pushrod length
  38. help with manual fan switch
  39. Which NGK Spark Plug
  40. after years im back!!
  41. Intake question
  42. How hard is it?
  43. any advice
  44. convert a 1993 LT1 to 94-95 PCM?
  45. need advise for tune
  46. 97 trans am power attenna replacement
  47. ASR Bypass with pictures
  48. LT1 fuel pump
  49. rocker arm strength
  50. Stop the tire spin. Where to go from here?
  51. LT4 Hot Cam Kit on a stock LT1 Iron Head - Valve spring shim help
  52. very annoid and need help. zero lash
  53. mods while its appart?
  54. LT1 exhaust help
  55. 97 transam ws6 vaccum noise fan when turning key off normal?
  56. Coolant leak on passenger side?
  57. Question possible starter or ignition switch failure
  58. Discuss LTX Shootout 2015
  59. Stroker Clearance
  60. hard start, car won't shut off when key is removed
  61. electrical gremlin or something else?
  62. first start!!!! but possible problem
  63. Engine removal question
  64. Introduction, funny noises, and 3000 RPM
  65. New Tune Questions
  66. Discuss For all of you who have had dealings with Clayton Racing Engines and "Corey" Clayton
  67. Discuss What do you guys think? (LT1 383 stroker)
  68. does 97 trans am 4l60e give any ses trouble codes?
  69. Too Much Postive Crank Case Pressure?
  70. 4L60E doesn't want to upshift at WOT?
  71. Carb and Distributor
  72. Discuss What years, models to look for?
  73. Would any 383 stroker kit work with a lt1
  74. Code 27 Evap Purge Help needed
  75. 97 trans am oil pressure gauge problem
  76. Low rpm jerking?
  77. My 95 TA has a 4 bolt main...Is this normal?
  78. M6 fluid question
  79. LT1...the next steps...
  80. 94 z28 cutsout when idleing at 850 rpms
  81. Trans Am LT1 upgrade path...need opinions
  82. Discuss Ford 8.8 rear anyone?
  83. P0300 code on fresh 383
  84. Blown head gasket on LT1 ...Need some information
  85. Hurst short throw
  86. Need some help with a lt4
  87. Lt4 build power?
  88. Question 95 Trans am Headlight gear
  89. Can Choice??
  90. Curious if I have any worries
  91. Battery
  92. New opti vented?
  93. LT1 Heads on Gen1 block
  94. Opti questions
  95. who works on your car, around here
  96. build help
  97. Bailey LTCC Imput
  98. AIP Optispark distributors anyone?
  99. Moroso oil pan interfering with cat
  100. otvc routing
  101. Help me please!!!
  102. Programmable EMS
  103. Just wanted to say....
  104. 97'LT1 in HotRod, trouble code from oxygen sensors
  105. Running rich, misfire, no codes
  106. Hesitation, backfire, stumble
  107. Cam help
  108. trans emergency
  109. Question DTCs 16, 32 & 34 set
  110. 304 cam????
  111. 1995 t/a 5.7L 6 spd intermittent starting issue
  112. Lt1 no spark
  113. Final fix attempt
  114. LT1 intake ID?
  115. Question just my luck
  116. Trying to Diagnose a misfire.
  117. Boost Prep
  118. General Optispark question
  119. Car died while driving, won't start
  120. Is there a proper sequence...
  121. Any estimates on power figures with these mods?
  122. What fuel should I be running in an LT1?
  123. Rocker angle
  124. L99 ????
  125. Lifter Oil Feed
  126. secondary air pump DTC29
  127. boosted lt1
  128. Does this seem like a deal?
  129. Gear ratio question
  130. No more broken rearends for the Z..
  131. Urgent LT4 GBI Injectors 832-11152
  132. 93 Firebird air intake parts
  133. ses light dont work scanned codes p1441 and p0400 borla exhaust?
  134. First Startup
  135. second opinion, look ok?
  136. Head Bolt Torque on LT1
  137. Anybody used this nitrous kit?
  138. Alternator volts question
  139. Question Ai cylinder heads
  140. '88 camaro aluminum driveshaft fit my '94?
  141. Is my only option wet nitrous?
  142. Crank Question
  143. 315 tires on my back zr1 wheels why? can I change to reg tires?
  144. Rear end assembly interchangeability
  145. Got a question about Longtubes
  146. 93 Trans am no start but cranks
  147. just bought 97ws6 did I get screwed hard shift and engine noise
  148. solid roller info plz.
  149. Hi guys, my car is running really rough and shaking like crazy
  150. HELP, engine fire!
  151. Strong Gas Smell.
  152. Urgent Headgasket?
  153. 3.4-5.7
  154. Front seal help???
  155. Urgent Please help! Intermittent miss; rough, fluctuating idle, and pinging after tune up
  156. Overheating and confused
  157. Oil Leak Mystery
  158. Help with multiple issues
  159. 94 LT1 problems
  160. Understanding Sensor readings to diagnose faulty sensors?
  161. Thoughts on my idea for an engine swap?
  162. Starter crunch during COLD start
  163. Coolant temp sensor connector
  164. WP Drive seal on dry or oiled.
  165. Low oil Pressure at warm idle
  166. stroker cylinder heads??
  167. Big oil pressure but smoking
  168. crank keyway and aftermarket hub and damper/balancer
  169. Lt1 Flooding
  170. Discuss 9c1 motor in a Pontiac Firbird?
  171. Rebuild plans for the a steel head LT1
  172. Coolant gushing out of open radiator
  173. CC304 cam question
  174. Crank Case Pressure Solutions
  175. oustanding stock 1/4 mile time!!
  176. Safest wet shot with my mods?
  177. Engine runs!
  178. Need Square Port Headers for AFR 227 Heads
  179. Coolant bleeder hose
  180. LT1 24x and 58x ignition
  181. unknown part
  182. runing rich after tune
  183. Should i remove exhaust system?
  184. Question High mileage z28
  185. What is my "honest" exhaust bang for buck
  186. small base circle camshaft?
  187. Steering Slop
  188. Is the Optispark an original AC/Delco?
  189. Discuss Spark blow out
  190. New optispark
  191. Are my Tires bogging me down?
  192. Guesses on Dyno ?
  193. collapsed radiator hose question
  194. oil leak = soaked starter
  195. lt1 9c1 swap in 80 g body - starts then dies seconds later
  196. Best place to instal cutout
  197. Picked this up for $1,500
  198. Explanation of Tire number meanings?
  199. Discuss LT1 poor performance
  200. Rear diff whinning after gear change?
  201. Anybody ever raced at Palm Beach International Raceway?
  202. LT1 severe misfire, on one cylinder. Sometimes.
  203. opti replacement
  204. 93 Camaro won't start
  205. P0174 Has me scratching my head
  206. DEI boot protectors
  207. Is it worth upgrading to Magnaflow?
  208. 1995 z28 engine swap running poorly
  209. one sound of exhaust louder than normal
  210. a little help with 383 build
  211. Quiet external electric fuel pump?
  212. Question Lagging Throttle Response 96 Vette LT1
  213. Lt1 Camaro overheating issue
  214. lt1 engine problem
  215. Replace LT1 injectors?
  216. Discuss TB coolant bypass, now wont start
  217. will this 383 rotating assemble work for lt1
  218. Need about an inch of lift in the rear
  219. Atf leak after replacing filter.
  220. need help!
  221. EVAP purge solenoid issue
  222. Seeking some help with 96 Roady LT1
  223. Rough idle when in gear.
  224. exhaust manifold gasket replacement question
  225. MM 6 question
  226. Videos on LT1 heads being ported
  227. ANY ideas on weird electrical issue?
  228. diy electrical drive for mech. speedometer
  229. What washers for draglites?
  230. Never again am i buying Wheel locks
  231. Do i need spacers for 15x10 Draglites on firebird?
  232. pushrod measurements tell me??????
  233. Stock clutch HP capacity
  234. Lt1 oil dip stick tube install help
  235. Recommendations on cheap draglite front tires?
  236. Question 95 t/a lt1 starting issues
  237. Question cam for dart pro1 lt1 heads
  238. What lug nuts do I need?
  239. Will 325/50 r15 fit my rear?
  240. Any of you guys using NT555r?
  241. NGK Iridium IX spark plugs. Bad Investment!!!
  242. power loss compression test head gasket air leak please help.
  243. Urgent lt1 misfires and no power please help asap
  244. Cheap drag tire recommendations?
  245. New owner transmission help.
  246. Tune came and and.... WOW!
  247. Discuss Cardone Opti Spark, Good or Bad ?
  248. Transmission Perform Question
  249. Throttlebody booster with aftermarket throttlebody?
  250. ATF leak after transmission filter change.