View Full Version : C4 Tech/Performance


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  1. Help friends! LT-1 HELP!!!
  2. Frame diagrams
  3. TPS Sensor slotted
  4. Why a 160 degree thermostat???
  5. LT1 - Gas Pedal tough / stiff
  6. Engine noises
  7. 10:1 CR with Stock Cam?
  8. hypertech power chip!?!?!
  9. Where is the Service Parts Identification Label on 87 Vert
  10. My Car Still Ticks
  11. I have pictures of my $5000 '92
  12. 160 thermostat?!?!?
  13. dead in driveway
  14. driveshaft slip yoke question:
  15. 2003 Silverado AC problems! - Any help would be great!
  16. Changed trans fluid in '92 yesterday - did NOT blow up :)
  17. Automatic A/C Only Adjusts Temp Up, Temp Down Not Working
  18. Bracket race L-98 cam recommendation
  19. A/C compressor question
  20. Best economical tire to replace Goodyear F1's?
  21. Door Ajar Switch
  22. Low beam headlights?
  23. running rich
  24. Any good vette mechanics in frisco, texas??
  25. AC Delete Pulley
  26. Recovery tank
  27. Service ASR, SYS, and security. HELP!
  28. Cam shaft oil leak into opti?
  29. Where to mount a trans temp sensor on the trans?
  30. Idle air connector wiring problem
  31. Cam shaft seal leaking - impact on opti?
  32. Can an LS1 go into a C4 easily?
  33. 90' L98 supercharged - which spark plug???
  34. 4+3 throwout bearing problem...need help
  35. does anyone think that this will work? AIR INTAKE IDEA!!!
  36. Which oil is best for Florida's heat in a '94 LT1?
  37. IAC valve question
  38. How do I replace the thermostat in 1989 corvette?
  39. Photos...Uploading
  40. Please help. Ignition and A/C problems...
  41. Correct fuel pressure range?
  42. Now I'm Confused...more A/C Questions
  43. Brakes sticking
  44. How much lube do you put on a ZF TO bearning?
  45. Can I use my laptop to scan my vette?
  46. No power to starter.
  47. anyone used 255/45zr17 tires w/ 9.5 wide zr1 wheels?
  48. Ending Today - Race Ramps Group Buy Offer
  49. C4-C5 Brake change over ??????????
  50. Another Headlight thread
  51. OBD-I vs: OBD-II
  52. Oil Pressure Problem
  53. R-12 to R-134 ? How Difficult ?
  54. Yet another 4+3 slipping problem
  55. Problems
  56. need help with melrose headers please.
  57. 86" exhaust set-up???
  58. 1993 opti vented - piping??
  59. 88 Rear Transmission mount - 4+3
  60. HELP! canton road race pan and engine install
  61. Bose Radio Problems
  62. 1989 with ac issues
  63. Toyo Proxes TQ !
  64. 1992 gas gauge problems
  65. 92 LT1 fans
  66. My stumble stutter is fixed!
  67. Motor Mount bottom nuts coming loose?
  68. repeat LT-4 just stops running
  69. 58mm throttle body
  70. throw out bearing removal
  71. 1986 vette ac
  72. AC Compressor failure
  73. Should the O2 Sensors Be Changed?
  74. 1987--700R4 Park Issue
  75. reading codes?
  76. L98. Removing injectors from fuel rail
  77. Race Ramps Group Buy Update - Now at 15% Discount
  78. EWP relay wireing on 92 LT-1 ????
  79. Knock sensor locations on block ?
  80. 94 LT1 missing at idle
  81. Water Pump ball bearings
  82. Bad Clutch Hose?
  83. another intake question
  84. after three months it runs
  85. Harmonic Balancer for 383
  86. 1996 Corvette License Plate Lamp Help?
  87. 1 3/4 headers
  88. Oxygen Sensor Extension Sale
  89. Looking for a good high flow cat...
  90. 87 coolant fan
  91. how much smaller does a cam get when you go from 1.6 to1.5 rockers
  92. Rae Ramps Group Buy
  93. L98 money for mods.. need help
  94. Clunk at slow speed... single click.
  95. 91 C4 Clutch slave bleeder screw???
  96. Why no LT-x Crate Motors?
  97. NOS regulator from corvetterecycling.com
  98. Air Pump delete Pulley,68448 Header, brace fitment opinions etc... (Pics)
  99. Cheap lowering for my '86
  100. HELP!! computer problem!?
  101. National Top Flight Award
  102. Tuner in Georgia
  103. Driver Side A Arm (Replacment)
  104. Torque Converter Help..
  105. Problems with the idling!
  106. Clutch Compatibility Between 1993 and 1994 ZF6
  107. Water pump flywheel?
  108. Engine Question
  109. She's alive!!!
  110. What should vacumn pressure be at idle in drive?
  111. adjusting valves
  112. C4 Lift Kit? Raise 1/2 Inch?
  113. '96 Grand Sport wheel offsets??
  114. passenger window got slow tonight
  115. vacuum line from tb to under neath radiator cap 91'
  116. Looking for proven cheap hp gain 1988 L98 auto
  117. brake light question and vibration at highway speeds
  118. c4 rear end noise
  119. Racetronix / Walbro C4 Fuel Pump Kit Sale
  120. Transmission Shifts odd after gear swap
  121. Vortec HSR and Holley 58mm are here
  122. Iddle Drops when AC on.
  123. 87 vert - seat motor clicking
  124. new boschIII injectors are in...
  125. Does the primary fan run when the engine is off?
  126. 1986 Convertible Documents ?
  127. 86 Corvette with climate control
  128. Don't remember this ground. What is it?
  129. Rear end sound
  130. 1986 Bose Wiring
  131. ride height - autoslalom
  132. Anyone here race West Palm Beach Dragstrip?
  133. Air/fuel ratio gauge question
  134. 1995 Fuel Pressure Regulator
  135. What controls engine firing at idle?
  136. 96 LT1 AC Vents
  137. Should I get a Hi-Flow Water Pump for '91 L98
  138. What offset for drag wheels for c4?
  139. Fuel pump relay? or something else?
  140. Hesitates/stumbles at idle a little
  141. Help with a hard starting '85 please!
  142. Large Tube TPI runners
  143. Z51 rack on a 94?
  144. C4 Inspection Sticker ?
  145. Dash lights/fog lamps issue
  146. Loud noise / Backfiring Problem
  147. (94LT1 C100 and C 207 pin outs
  148. gas gauge
  149. 84 Catalytic converter Air pump attachment
  150. Goodbye Friends
  151. Is this Valve seal, PCV or Head gasket Problem???
  152. Header fit: Success or not?
  153. Cured Horrible LT1 Miss
  154. 84 Corvette – Power Steering Work II
  155. Has anyone EVER heard of this issue? (Transmission)
  156. Where can I buy new multecs or earlier bosche injectors for my 1990
  157. Fuel Pump help **PLEASE**
  158. Buget build please pick one acording to difaculty level and price
  159. need help with alternator.......
  160. No fuel !
  161. swirl marks????
  162. 1987 z52 Vette Wheel bearings bad!
  163. Pics from my LT1 Build
  164. Guacamole in my engine!
  165. FYI 84 Air pump removal
  166. 84 Valve seal Replacement w/Pics
  167. LTFT numbers way high
  168. Where is the "low end pressure valve" to recharge the air conditioning
  169. Now won't start
  170. Torque Convert lockup Question.........
  171. rearend mounts ovaled out?
  172. Motor moving FIXED
  173. A/C clutch
  174. High HC question - 85 L98
  175. Replacing rotors, pads and lines - trouble codes popped up for ASR & anti-lock brakes
  176. 86 irregular idle
  177. Is it hard to change valve covers on '92 LT1
  178. How long will the LT1 go?
  179. whyyy is my car running sooooo bad >:[
  180. Can you Read the Codes on a 94 with a Paperclip?
  181. Sorry for so many questions but where do I put...
  182. 86 Valve Seals
  183. Help! AC Problems and Questions
  184. what size chase/tap
  185. 1989 HVAC digital problem
  186. After 10 months ...im seeing the light again...
  187. Low Coolant Light On
  188. Help Fuel Rail Oring ID size (Regulator base to rail)
  189. rear gear swap
  190. QA1 coilover problem
  191. 1990 runs rough and lacks power
  192. Mobile 1 High Mileage 10W 40
  193. 1991 replace radio with after market
  194. More Problems...
  195. 96 LCA Enrg. Susp. Bushing
  196. Question about a head and cam swap procedure
  197. Long or Short Block
  198. Brake booster
  199. daytime running lights
  200. Thermo fans ok?
  201. 1986 AC - correct compressor clutch cover gap???
  202. Does the tach filter need to be grounded?
  203. does anybody know the diameter....
  204. Fuel injectors ???
  205. Weld C Beam on 92
  206. lt1 melrose headers will they fit l98 with an HSR?
  207. Where can I buy rubber bushings?
  208. 1.6 to 1.7 rockers= what gain?
  209. Black Cube on Wiring Harness
  210. Sealing the intake...
  211. Acrylic top repair
  212. Feedback request for ZF/CHS/Clutch prep
  213. Heads/ Cam/ Intake
  214. Transmission Issue? Help Please big issue.
  215. SM Flywheel with DM dampening, cant find the thread
  216. Bad Vibration with AC on? A more direct question.
  217. Torque converter?
  218. No Speedo or Info Guages
  219. EGR solenoid question
  220. 84 Vette Power Streeting
  221. AC Question
  222. 92 Vette_best dollar/hp gain?
  223. why batch fire? it would have taken .0001% extra effort, for GM, to make sequential?
  224. Dashhhhh-ouuuttttt
  225. looking for a good/reasonable (C4) mechanic in the sarasota/bradenton fl area...
  226. Retorquing head......question
  227. Miss at 12-1400 rpms
  228. Need clutch help !!!!!!
  229. 89 head light prob
  230. Best torque converter for street and racing
  231. New rear wheel hub/bearing question...
  232. Distributer ??
  233. 87 abs issue
  234. CorvetteHID.com closed down?
  235. ground location
  236. 93' LT1: Engine stalls out when hot.. HELP!
  237. Fastener delimma (Did I forget something?)
  238. oil leak
  239. 4+3 over drive relay
  240. Made a little video of my '86
  241. 84 crossfire won't start when it's hot
  242. how to set idle for 88, l98 help
  243. H72 speed sensor
  244. 85 Rear Window Hatch Replacement
  245. Valve Seal Install attempt
  246. Longer Banjo Bolt??
  247. AC Project -- Getting Prepared what do I need?
  248. Damaged rocker update - A/C question
  249. 1989 700R4 Leak'in
  250. C1 Restomod with C4 suspension