View Full Version : LT1-LT4 Modifications



  1. Car died and will not crank back in need of help!!
  2. O2 problem
  3. im confused!! need help asap!
  4. Ok Guys, Popping out Exhaust at odd conditions.
  5. Planning New Top End & Have????s
  6. anyone know the stock size of a lt1 valve stem
  7. First time my baby left me on the side of the ROAD
  8. tune for LT1 with hot cam
  9. Hmmmm....swapped engine and I have no idea what it is
  10. Underdrive pully low voltage
  11. Wow!! Look why my brakes have been working so poorly.
  12. trans guage Q's and and how do i get my o2 back there?
  13. turns over but wont start
  14. the_merv PM'd me his new project...
  15. Base EFI connection tune?
  16. hole sizes
  17. Pic of my ls1 lid swap
  18. timing cover removal think i messed up
  19. Crank bolt/March Underdrive Pulley bolt sizes?
  20. maf not getting voltage to pink wire
  21. removed oil cooler have a ?
  22. Lt1 idling funy in need of help everyday driver
  23. gauges/hotchkis stb
  24. Gas tank size
  25. Anyone have the stock steering linkage lying around?
  26. Maf
  27. 93 Throttle Cable
  28. headlights not working
  29. spark plugs?
  30. Edelbrock Shorties / What OffRoad Y do I use?
  31. Speedo Guage issues after swap
  32. heater core flush question
  33. No Start Issue (wanna fix today, PLEASE HELP!)
  34. Any of you guys ever rebuilt one of our starters?
  35. Fuel issue and 42 lb fuel injector ?
  36. high rpm sputter?
  37. RWHP in the LT1???
  38. Patriot gold extreme install in car?
  39. New lower end help
  40. good news and bad news...
  41. Piston help please
  42. LT1 into 3rd Gen - Anyone know what it takes?
  43. ls1 psm conversion
  44. NEW BEST on stock shortblock!!!! VIDEO ADDED!
  45. Lt1 idle
  46. found another random unpluged connector!
  47. Opti install gone wrong
  48. Looks like I spun a bearing, Need some advice on how to build a new motor..
  49. why doesnt anyone run these heads
  50. odd stalling issue
  51. Having a problem with cold startin need input
  52. AC delete pulley.
  53. Will the 10 Bolt hold up?
  54. Please help!!!!
  55. Lt1 turbo time, what is recommended by the turbo guys?
  56. Crank hub seated?
  57. 93 lt1 what timing box to use
  58. ebay headers
  59. New PB LE2 383
  60. Huge post - Main problem is front four plugs are lean?
  61. anyone had a custom solid roller nitrous cam ground lately?
  62. New LT1 TA. Back in a LT1
  63. 4l60e diffrence lt1/ls1
  64. Odd engine code thrown?
  65. Few questions on my build
  66. Water pump drive seal in timing cover
  67. Who makes Front and Rear main Caps for lt1's
  68. Cooling fans + temp sensors
  69. New time for the LT1!
  70. lt1 build NEED HELP
  71. Lt1 surging at idle
  72. oil pressure sending unit, WTF?!
  73. help?lt1 smokeing out the exhaust
  74. 4l60e issues
  75. How cheap can you get an LT1 Auto to 12 secs?
  76. TunerCAT .bin file Repository -- Search for bins , upload your own bins!
  77. Catback Question
  78. Wanted long tube headers
  79. more problems after header install (p0131)
  80. Missing at high rmps need help
  81. Opti problems
  82. Another diagnostic tip for bad LT1 behavior...
  83. need help with boost
  84. Building motor... need HELP!!!
  85. Roller Rockers w/ stock valve covers, and valvetrain noise...
  86. afr 210 comp. heads or a.i tfs 215s
  87. optispark
  88. ob2 code P1626?
  89. High Mileage Lt1?
  90. I need a new steel M6 flywheel...
  91. What are you other cam-only guys trapping?
  92. These damn boat anchors
  93. how do you remove these fittings (Oil pressure sensor)
  94. New opti
  95. Quietening down my exhaust - suggestions?
  96. 96 trans am ws6
  97. Temp gauge acting up today but no overheating?
  98. Newbie with 5.3 silverado
  99. New personal best! BOLT ON ONLY! And took home a win!
  100. clutch hydralics
  101. Need to stick something between headers (near collectors) and
  102. Winter Budget Build: 355ci AFR LE H/C
  103. 8501-bsbc Patriot gold extremes
  104. AC Delco update and more
  105. Calling on anyone that knows Rollmaster timing chains!
  106. Help with my Gauges!!! Pics
  107. What cam to use on a stock bottom end, suggestions?
  108. help,,1997 lt1 to carb
  109. stupid argument on youtube. Pontiac WS6 airbox VS SLP airbox
  110. single 3 inch enough ??
  111. New cam for my 385ci, suggestions?
  112. Young woman needing knowledgeable motor head help!
  113. Have a problem with my LT1 car
  114. 355 4 bolt main for sale
  115. Gas guzzler
  116. Wicked94z clear your inbox
  117. Need to know how to hook up a shift light, oil pressure guage, water temp guage.
  118. Pushrods for stock LT1 w/ 1.6RR's
  119. guide box??
  120. Need measurements now please?? very easy
  121. WOT problems?
  122. So I got the gas tank out...braided lines? Charcoal Cannister?
  123. Weird noise
  124. Anyone with a stock LT1 and a vacuum guage or Datamaster...
  125. Couple quick valvetrain questions
  126. Trimming gaskets
  127. What would you do if you had to dyno tune your new engine?
  128. Oil restrictor or don't worry about it
  129. Oil leak
  130. Safe to notch out floor bump (drivers side undercarriage)?
  131. Whats a good cam to go with?
  132. Sleeving an LTX block ??
  133. fuel pressure
  134. Chaning gaskets
  135. Fuel pump access hole
  136. ac delete.. vaccum line plate already made..
  137. Water pump coupler
  138. times for the new 355 with 21* heads
  139. Where to buy LT4 valve springs at for the cheapest?
  140. guys running jessels valvecover?
  141. A few new mods
  142. Throttle Cable Bracket???
  143. How did you make your vacuum pump system?
  144. daily driven lt1 in the 11s
  145. Buick Roadmaster LT1
  146. header gaskets
  147. Done My Lid Conversion And Have Q's
  148. Exhaust question.
  149. Found the vid, 12.15 at 111mph results inside
  150. AC Compressor Died on '94 Z28
  151. lt-1 will not keep idle with maf pluged in
  152. Torque converters
  153. looking for a good 355 bottom end combo for nitrous
  154. 1.6 Rollers..
  155. What valve stem seals do I go with?
  156. what MSD part# for mallory 685 harness?
  157. comp ratio, ran a calc?
  158. First and only pass NA LT1
  159. intake manifold disassembley
  160. Iron Heads CC size
  161. Big problem
  162. SES light came on for shrt time...and then gone...if I hav Autozon scan will it code?
  163. Nitrous Outlet LT1 plate & TPIS 58mm, mechanical art, it begins! (Updated 02-18-11)
  164. 94 trans am convertible 400 miles, 31k on mecum
  165. 2 grand left for a strip only build
  166. Just got my tune for my cc503 cam.
  167. 97 Lt1 oil pressure
  168. Valvespring ? with Pics
  169. 94 lt1......
  170. ok got my tune and drove the car for the first time today???'s
  171. Shoot me in the face, header bolts too close to fit wrench on
  172. Aerochamber or Maxflow
  173. Can I delete air pump w/o tune?
  174. 97 lt1 wanting to do a th400 swap, what do I need?
  175. Post tune CEL
  176. McLeod Master Cylinder Rebuild Kit
  177. What valve spring should i get?
  178. New O2 Sensor :( what am i lookin at
  179. gen 1 crank in an lt1
  180. valve question
  181. short 0-85 video what do you think
  182. My Exhaust cut out experience... w/ times
  183. What do you guys think about this for 1k
  184. patriot valve stem seal
  185. ORY Question
  186. little photo shoot of my turbo lt1 car
  187. Braille 2015 C in the passenger right rear
  188. cleaning out opti?
  189. Dropped Rocker Arm Oil Deflector
  190. what do you guys think?
  191. Florida panhandle members come on in!
  192. Engine has a slight stumble @ idle and right off...is it a misfire?
  193. which heads for my 383 build
  194. what kinda numbers?
  195. Awww crap, what did I break?
  196. Hitting rev limiter at WOT
  197. the "ROLLER"
  198. Master Cylinder Install - Any Secrets?
  199. Tips on how to clean up cylinder heads?
  200. My speedo and odometer arent working!!!!!!
  201. Rockers?
  202. Can't get my lt-1 to idel unless I unplug maf sensor
  203. Hi people I am having problems with lt 1 please help
  204. Headers going on - O2 sensors??
  205. Factory fuel pressure?
  206. cant keep a idle.
  207. gm lt4 intake limitations
  208. How did you route your heater hose around your LT1 headers?
  209. Need help with ewp install how to remove drive gear
  210. 4L60e Trans Compability 24x system
  211. fan relay help
  212. help me understand dynamic cranking pressure
  213. 93 firebird tv cable adjustment with a 700r4
  214. GM Parts Direct- LS7 lifter prices?
  215. 3.42 or 3.73 ?
  216. Few questions, engine harness, lines, throttle body
  217. heater hose problem
  218. Tell Dart to build the big bore LTx block!
  219. 36# SVO Injectors ????
  220. I'm back! - AI Cam time! - Rod bolts?
  221. Spark Plug Gap Question
  222. cost to change intake manifold gasket?
  223. Need a new Thottle cable asap!!!
  224. Black spoiler on red car
  225. Sounds like firecrackers in my transmission!
  226. Weird Throttle Problem
  227. Stock Piston Valve Relief
  228. fan switch
  229. ses light
  230. LT1 FRC Pics
  231. the right tunning cable?
  232. Trouble starting, need help
  233. Viper trans in a f-body
  234. cravy viberaton at 95mph
  235. LOL! I almost forgot about my fuel tank! It has to come out!
  236. Code 16 - low rpm miss - smells very rich - hard starting
  237. LT1 OBD1 vs OBD2 tuning software.
  238. What am I looking to gain when I install the true duals?
  239. 1.6 rr
  240. valve spring change...heads off the car now
  241. Looking for friends in chandler, AZ
  242. Anyone want to buy an LT4 intake for $900?
  243. Anyone Tried a long Rod Stock Stroke Combo?
  244. 383 build questions
  245. where can i get window stops?
  246. Ring Gap
  247. Need Help!! Car idles @2500rpms
  248. URGENT: Help needed with fuel leak!
  249. power dies at 6400rpm.
  250. Excessive crankcase pressure/PCV question