View Full Version : LT1-LT4 Modifications



  1. 95 lt1 trans am still not running right after warm up
  2. Coolant Temp issues...
  3. qtp electronic cutout with race ready y pipe
  4. Any 02 sensors out there long enough so you don't need extensions after LT's?
  5. AC delete and alternator relocation w/ factory bracket
  6. new exhaust gains
  7. 24x guys gotta question about MAF
  8. LT1 block strength
  9. Electric Cutouts
  10. qtp electronic cutout
  11. LT1 getting worse on starting
  12. LT1 Cooling Issue
  13. 97 ws6 starting issue
  14. comp cam shift points
  15. Why is my idle at 1100 rpms???
  16. price estimate help?
  17. What is this called?
  18. My first Formy build
  19. would a cc306 cam work with aluminum decked and ported heads on lt1
  20. 1997 Z28 No start
  21. 503 idle
  22. Budget 355?
  23. Lt1 Idle help!
  24. Got Tuned today...Now need experts help???
  25. Dyno tuning help!!
  26. dragstrip 7-21-12, shift point ?'s + spark plugs
  27. any good odb1 scan software?
  28. I got free LT1 engine
  29. LT none egr
  30. key on no power
  31. car tuned for high test gas, can i run regular with octane booster
  32. Where can I buy orange spark plug wires / otvc looms?
  33. Questions before header install
  34. Constant brake sqeal?
  35. What's this plug into?
  36. 93 stock Z28 codes 44 and 64 won't run
  37. convert opti2 to opti1 style drive
  38. CSR waterpump relay question.
  39. 6qts of oil and still not full?
  40. 96 trans am alternator problem?
  41. 1996 Trans Am WS6 Not Starting
  42. Change Rotating Assembly
  43. LT1 hard to start
  44. I hosed down my engine...
  45. Cruise Control not working after T56 Swap...
  46. Stock oil pan removal and replace with a Canton
  47. whats wrong with my car?
  48. How to test fans to see if they're working?
  49. 550 crank HP N/A LT1
  50. Shell URT Advanced fuel?
  51. lt1 needs help major problems
  52. Still dead at key
  53. bogging/bad throttle response post headers
  54. Timing help
  55. swapping an opti on a supercharged lt1
  56. Will it sound different with dynomax dump?
  57. 93 T/A motor isues
  58. 383 Stroker Oil Pan
  59. Oil Pan Removal!
  60. Another engine temp related thread & engine hesitation
  61. won't turn over at the key.
  62. Miss Fire please help!!!
  63. what's going on here
  64. Quick LT4 Hotcam Question
  65. 383 LT1 Advice
  66. Where to get rubber motor mounts
  67. Gauge Question
  68. rocker/stud issue
  69. Egr ???
  70. Next Mods? Suggestions Welcomed.
  71. long crank time on 95 Hawk
  72. TH350 speedo
  73. lt1 scanmaster
  74. Misfire
  75. what should i do next
  76. Couple Exhaust Questions
  77. 94 body with 97 engine z28 dies after warm up, won't start untill next day
  78. where can i get an ALDL cable?
  79. my 95 z28 lt1 is knocking and squeaking a little
  80. replacing w/p what to do while im there?
  81. I love gregrob!!!
  82. How to get the weakest clutch pedal as possible
  83. Having 26 and 27 trouble code issues
  84. Pushrods slightly too long
  85. Zex 100 shot
  86. head gasket update ugh!!!!!
  87. removing lt headers of a94 firebird lt1
  88. Headgasket or WTF!?
  89. rear gear question
  90. selling part to ship to Canada
  91. Where can I get a single GMPP 1.6 crane rockers?
  92. Header/Exhaust on 383 build
  93. Quarter mile times??????
  94. fair price for tune up
  95. Fast toys lid conversion
  96. Ls1 computer conversion?
  97. Lpp headers and th400
  98. 94 service engine soon light help!!
  99. Prothane motor mount issue
  100. what code scanner works for a 95
  101. help!
  102. Slight backfiring off idle
  103. bypass speedo issues with a 93' t56 swap
  104. Low RPM shake/shudder and tone change
  105. obd2 swap
  106. is it my pushrod length or exhaust leak or collapsed lifter? *PICS*
  107. crane227 cam with 987 springs?
  108. lt1 rpms hanging up
  109. LT1 fuel sending unit messing up
  110. .020 over?
  111. My 93 Z28's Compliation vid!
  112. First time digging into this car, opti replacement & more.
  113. long tubes on my 96 ws6.. almost all in. few questions..help
  114. Custom Braided Brake Lines?
  115. Gen 1 swap question
  116. 96 Camaro won't start
  117. blah, intermittent crank bs and opti problems
  118. Idle question
  119. Test optispark wiring came up with an unusual reading?
  120. Test optispark wiring came up with an unusual reading?
  121. Hesitation
  122. Good Injectors for a 383 LT1 with cam?
  123. A/C issue 95 trans am
  124. Plugged cooling passages?
  125. Thinking going 355...
  126. Track results
  127. need opinions
  128. 383 lt1 or bigger
  129. What's next?
  130. another related head gasket question
  131. lt1 intake elbow
  132. HD water pump LTx ????
  133. LT1 Tuning Mail Order Tune?
  134. LT1 won't crank... Stumped (aka Help!)
  135. i need a little advice on rocker stud install??
  136. 383 lt1wont start up
  137. Help please.
  138. 396 stroker lt4 heads cam options
  139. cats in hooker Y pipe
  140. Help with valve springs
  141. 5.3 Covertion
  142. My new toy & questions.
  143. Headlights
  144. quick question
  145. How can I tell if my new WS6 has the 1LE driveshaft?
  146. Another small LT1 H/C build, with more possibly.
  147. I need help with mt 383 lt1
  148. 1994 formula firebird backfiring like a mofo
  149. pcm problem!!!!!!!!!
  150. Does SLP still make LT1 parts?
  151. Anyone with a 93-97 car with LS1 gone back to LT1? Help please.
  152. My Chinese Opti experiment ended this weekend
  153. felpro head bolts??? any good?
  154. Changing valve springs with heads on.
  155. 94 formula dies after warming up.
  156. failed e check. NO to high
  157. coolant sensor light on
  158. Good set of headers?
  159. 2 bolt main arp bolt kit
  160. Where's everyone buying their opti's now?
  161. Arp
  162. miss fire conundrum
  163. 93 Tach Filter
  164. Dyno Tune!
  165. ignition timing LT1
  166. 02 sensors noob question
  167. 97 30th Anniversary Z28 (the build) PICS and story
  168. Boosted + High Compression
  169. cammed(:
  170. Anyone else's seats slowly killing you?
  171. egr pipe
  172. 24x?
  173. I need help with my 1994 z28 transmission
  174. Black exhaust smoke?
  175. Swapping a 96 M6 trans. and harness into a 94 Z28
  176. Exhaust pitch difference
  177. Run/idle problem
  178. Comp 977 valvespring ?
  179. Head choice on 383
  180. lt1 cam bearings? Help
  181. little to no oil pressure once up to temp?
  182. Randomly shuts off finally have codes. What do they mean!!
  183. Odd O2 Voltage Problem
  184. ls1 cluster in a lt1 car need help asap
  185. LS1 Ram Air Box on LT1 car
  186. Stock shortblock rebuild
  187. any th400 users with stock 10 bolt?
  188. Question about flywheel bolts for McLeod Clutch
  189. is this real?
  190. 12 Second DD
  191. cc503!
  192. What would you guys pay for this car...
  193. old question no spark from coil
  194. Stock DD 2 get cam help
  195. Mid tubes?
  196. anyone know mark mcphail?
  197. Worth it to port heads while doing gaskets?
  198. my 95 z28 feels like it is misfiring
  199. Valvespring Issues. Need Advise
  200. Help! Pro Mag Replacements!
  201. abs delete and ac delete
  202. LT1 build.
  203. gear ratio/stall changes
  204. 95 z28 feels like its misfiring
  205. need to do headgaskets what company?
  206. Pro mags hitting rocker studs
  207. code 15 and horrible miss
  208. Quick question on the LT1 oil pressure sender
  209. Circle track / Burning oil
  210. I was just thinking
  211. odometer swap
  212. 93 LT1 gauge cluster
  213. M6 trouble -- TOB and pilot bushing
  214. Lt1 head/Cam question
  215. Lt1 Dyno tune in NJ
  216. Drivetrain loss
  217. 440-450 RWHP Goal?
  218. Radiator for Lt1
  219. Damn you pilot bearing!
  220. A/C and Smog delete... 1994 Z28 M6 LT1
  221. lt1 turbo 400 guys step in N/A only
  222. Radiator flaps
  223. My new motor idles a bit high..ideas? Pro's come on in?
  224. P0100 code?
  225. New Lt1 Owner help with Heads and Cams
  226. 396 LT4 stroker wants to go carb?
  227. Open or Closed Loop?
  228. Wiring help needed ASAP!
  229. would like to now my estimated pwr range before tune
  230. 96 trans am wnt start please help
  231. how many exhaust bolts does each manifold need?
  232. $3000 to drop on mods
  233. how to disable rear 02's
  234. Spark issues
  235. Cutting the rad frame - what tool(s) did you use?
  236. Th400 or 700r4
  237. klinger sil c4201
  238. 1994 Pontiac Firebird Formula Sputter
  239. Header question
  240. Making a stand alone harness (LT1)
  241. Reclocking LS1 steering shaft
  242. First time at the 1/8th mile - Times inside
  243. 1\4 mile run?
  244. How do I put this back togeather?
  245. Replacement Power Steering Pump
  246. constant heavy miss
  247. Fuel injector impedance
  248. shomespeed dual kit
  249. Can't connect to PCM
  250. This cam with stock valves & springs?