View Full Version : C4 Tech/Performance


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  1. chasing a short in the horn.
  2. Has anyone used Elliot Sportworks for porting
  3. 1986 Corvette Ignition Module
  4. Anyone Have a PN For Tailshaft Seal/ Gasket
  5. Ditching the Bose..Need Help
  6. Exhaust Opinions
  7. Blowing fuses
  8. 87 Hvac problem
  9. 95 LT won't start
  10. slow start 1991
  11. 85- how is instr panel bezel removed
  12. clutch issue, wierd symptoms
  13. C1 guy needs help from C4/TPI experts
  14. Brembo calipers questions
  15. Infiniti Q45 90mm body throttle
  16. tpi performance
  17. how to you lower the ride height
  18. Ported intake manifolds
  19. 89 seat bolster broken
  20. 94 Vette Front Bumper hardware
  21. Cooling Fan Harness for 93 LT1
  22. Performance upgrades????
  23. Exhaust Too Loud
  24. OBD1 or 2 ???
  25. Tachometer Capacitor Specs?
  26. Sport seat movement (or non) issue.
  27. Battery connector stud size??
  28. catalytic single or dual
  29. 86 Bilstein Rear Shock Questions
  30. '86 Corvette will not start! HELP!
  31. Does any1 know where I can get slp mufflers bullet II that will fit my 91
  32. LS swap
  33. 85 idles fine but dies when give it fuel
  34. 94 vette whats the difference between the Z-51 suspension vs standard suspension?
  35. upgrade 93 timing chain to LT4 Extreme Duty?
  36. why and how do you fix my 1993 door panel
  37. At idle; Engine stumbles and surges after warmup!
  38. Door Panel removal and window switch replacment on '92
  39. water pump and opti
  40. Sir Sensor part # for 1990
  41. Need advice on which MAF sensor to buy
  42. Need full set of header bolts...
  43. Another (yawn) 385 build
  44. 4+3 Whine
  45. what tires to run
  46. Are LT4 and LT1 Alternators The Same?
  47. engine and 700R4 removal
  48. 1985 Rear Export Lighting wiring help needed!!
  49. rear camber smart struts
  50. Vats code ?
  51. evidence of explosive spark inside opti-spark (see pictures)
  52. Smoke and Leak 1990 Corvette
  53. Lugnut Extractor?
  54. doing a dana 44 swap need to know speedo gears
  55. Need some help..
  56. 1987 4+3
  57. Vibration in drive at idle and stopped
  58. Looking too hard?
  59. I need a fresh perspective on a vibration at under 20 mph
  60. Willcox January Sale! Shipping Allowance.. and more!
  61. 85 hood lift assist cylinders
  62. 1987 engine swap
  63. Engine idle issue, Hunting
  64. Clutch hydrolic line question
  65. Help... stripped Battery Connector Stud...
  66. battery cable
  67. 95, 6 Speed needs a new clutch disk!
  68. lt1 performance ideas???
  69. What is going on with water pumps
  70. Anyone have a source for '94-'95 PCM?
  71. Injector question
  72. Chasing leaks
  73. changing engines out in 1984 help
  74. 85 voltage reading
  75. 93 LT1 timing chain /set options
  76. 1988 Bose amp Schematics
  77. To Update my Throttle Body to a 52mm or Not
  78. OH NO!!! 1988 Vette heater core leaking, PLEASE HELP!!
  79. I-pad for tuning
  80. L98
  81. 86 Brk Master
  82. Failed Smog
  83. Power steering pump: Corvette Central, Rock Auto, or rebuild kit?
  84. L98 main engine ground issues?
  85. harmonic balance question?
  86. Transmission temperature gauge installation ways
  87. Which transmission to choose
  88. Difference in age of L98
  89. Which Wideband 02?
  90. Tranny Temp Gauge W/ 4+3?
  91. Brake Lights
  92. Early C4 radiator and intake
  93. headlight switch
  94. ***Fuel Pressure Regulator Replacement [VIDEO]***
  95. Need to adjust auto trans shift points
  96. A/C leak
  97. 1987 ABS Bosch relay found, new
  98. Grab a cup of coffee! My C4 problem.
  99. Air leak test question
  100. Strange Coolant/Cap/Overflow Tank Problem
  101. Houston Area Vettes
  102. Hey anyone wanta do a ls6 swap in the monster???
  103. Eliminate Cooling System Air Bubble - AirLift
  104. Air Cleaner fab for Speed Density pics
  105. Super ram / Mini Ram Educate me
  106. 87 L-98 tune-up and fluids
  107. 84 Crossfire Fuel Pressure
  108. Weatherstrip Replacement Questions
  109. Bose Gold system
  110. Winter Projects. What do you have planned for your corvette this winter?
  111. Removing breadbox ( yes, another thread )
  112. KYB Shock question. Correct color?
  113. JBA shorty LTx headers '92-96
  114. 1994 corvette lowering
  115. light backfiring while coasting
  116. 87 master cylinder or slave?..!!! Help, new member
  117. Smog-Legal Cam
  118. Busted sensor on my 86 Vette
  119. 1985 rpo codes
  120. Lowering and spring identification
  121. Which Speedo Gear???
  122. Engine replacement
  123. How to tell if the lingenfelter package is on a 1991 c4 vette?
  124. at what point do you rebuild a perfectly fine stock bottom end?
  125. Will 84 brake booster work on 94 no modifications?
  126. A few questions foe those that road race early C4's
  127. Magnaflow Mufflers Cracked At Hanger Welds
  128. C5 Guide Pin Question?
  129. Power steering pump pulley needed
  130. 1996 SLP intake quistion??
  131. lowering by shims
  132. Header Install on a 95 LT1..
  133. SPC Control Arms with Delrin Bushings
  134. LT engine performance suggestions?
  135. driveshaft yoke any different for a black label vs. blue label zf6?
  136. L98 gets second life in offroad Jeep
  137. Auto dead, 3 & 4 clutch gone suggestions?
  138. 1/4 Mile Guestemates?
  139. Blinking Cargo lights and the warning lights
  140. suspension question
  141. Another header question.....
  142. Happy new year and a crossfire question.
  143. Accel DFI user/ tuners take a look...
  144. 1986 EFI to Carb ~ Speedometer interface?
  145. Rear Brake Pad ?
  146. Distributor(s)
  147. Rear Hub and Bearing Assembly Pains
  148. C4 headlight motor repair tip...
  149. Advance Timing For L98's
  150. 92 ECM in a 93
  151. I have a header question.
  152. 84/85 Brakes?
  153. What would cause this???
  154. 84/85's have limited slips?
  155. Adjustable shocks
  156. Multiple door ajar switches
  157. PFC Front Pad Fitment Problem
  158. Replaced slave cylinder now it's a rock.
  159. Happy Holidays From VBP!
  160. Horn pad
  161. Is This B.S. ?
  162. 1991 L98 EGR solenoid vacuum line question
  163. Dist/cap
  164. C4's in Storage PSA For those of us with snow and salt.
  165. Strange starting
  166. why multiple coolant sensors on L83 engine?
  167. Fuel pressure regulator diaphragm
  168. Will a DIY digital dash repair fix this?
  169. 84 need help with runs few min then stops running
  170. I need to fix couple fiberglass parts, is it best to use Resin/hardener?
  171. Is my engine blown?
  172. '89 Won't fire back up immediately after being cut off.
  173. 1990 convertible interior modification
  174. trans install question
  175. Powder coated half shafts
  176. 3000 Stall
  177. Rear Sway Bar Bushings
  178. Happy Holidays From VBP!
  179. ZZX Cam in LT4
  180. Smog Pump removal on 85'
  181. 96 PKE Remote question
  182. 95 LT1 6 Spd changing clutch from dual mass to Spec clutch-OE FLYWHEEL BOLTS wont fit
  183. Simple Question
  184. need help with 84 "runs few mins then shuts off
  185. 'splain me sumthin about Opitspark
  186. Need help with runs few mins then dies
  187. LT1 Tire Question
  188. Intake gaskets leaking, I think
  189. 1985 shaking on acceleration
  190. polyurethane rear sway bar bushings? should these be lubed?
  191. steering rack urethane bushings.. 93 vette
  192. Windshield Washer Fluid
  193. Cut airfilter lid.Proper filter
  194. which spaces for Grand Sport offset on early C4?
  195. Few More Brake ?'s
  196. Race Ramps RR-56 open box clearance sale
  197. Happy Holidays From VBP!
  198. Low Coolant Sensor Schematic
  199. 94 vette dies after
  200. where to get a transverse leaf spring compressor (for rear spring on 93 vert)
  201. any ever change the tailshaft bushing in their zf6
  202. 90' Corvette Modified
  203. How to test tach in 91"?
  204. 94 6speed rich on left bank
  205. Squeel when turning left
  206. Tranny Questions
  207. 96 no start fuel pressure regulator?
  208. rear transverse spring for a 93..recommendatons (rate)?
  209. f45 suspension questions.
  210. Disconnected Wire
  211. headlight conversion kits?
  212. Happy Holidays From VBP!
  213. Time to quiet down the Vette
  214. Bummer
  215. LT1 stroker questions
  216. EXTRA SPECIAL motor from VIRGINIA SPEED
  217. '93 LT-1 power steering line fit bad?
  218. Car heats up stumbles and dies
  219. tire pressure
  220. Well...here is my clutch and DMF pictures
  221. 1990 AC blower motor won't shut off
  222. ECM Broadcast Code?
  223. 383 build and need some help!
  224. Happy Holidays From VBP!
  225. A Big Thank You
  226. Theres Always Something :/
  227. Dead battery
  228. C68 HVAC Programmer Info & Schematic
  229. Before I buy 4 new tires I need a tire replacement recommendation
  230. 91' with low tach reading
  231. TPS Question?
  232. Headlight control module
  233. this is probably a dumb question....
  234. New 383 build ?
  235. 1990 fan blower
  236. 1990 blower fan stuck on hi
  237. Front Lowering Wedge install
  238. After start up My 94's electronic HVAC Controls lights are blinking, low freon?
  239. Merry Christmas everyone!!!!
  240. Happy Holidays From VBP!
  241. Any good C4 mechanics in Middle TN?
  242. Clunking noise in rear
  243. LT-1 Exhaust Sound Clip
  244. New FIC Bosch III injectors help needed
  245. C68: How to Get Into Diagnostic Mode?
  246. L98 Cam Shaft Removal
  247. How do I remove the knock sensor from my 94
  248. Finally Done
  249. Question
  250. Need a little help