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  1. Announcement:
    OFFICIAL Corvette Action Center Gear - Now AVAILABLE!
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    10-07-19
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Threads 1 to 45 of 17012

Forum: C4 Technical and Performance

For technical and performance related discussion of 1984 - 1996 Corvettes.

» Sticky Threads
  1. Sticky Thread Notice: Procedure to lift a C4 onto Jackstands

    Started by vetteboy86, 08-10-10 07:23 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 51,238
    09-12-19, 08:11 PM Go to last post
    • Replies: 12
    • Views: 25,706
    07-08-18, 01:31 AM Go to last post
  2. Sticky Thread Notice: CrossFire Injection Mine

    Started by Rob, 09-22-08 10:44 AM
    1984, crossfire
    • Replies: 8
    • Views: 25,225
    05-21-09, 08:24 PM Go to last post
  3. Sticky Thread Notice: C4 Tech Center

    Started by Rob, 10-24-05 11:18 AM
    • Replies: 0
    • Views: 32,964
    10-24-05, 11:18 AM Go to last post
» Normal Threads
  1. C4 driving me loopy

    Started by C4 Terry, 10-03-19 11:20 AM
    car, engine, light, running, simply
    • Replies: 7
    • Views: 291
    Today, 06:47 AM Go to last post
  2. 1985 Radio Issue

    Started by RapidJim, 10-09-19 03:36 PM
    1985, car, interior, radio, shut
    • Replies: 1
    • Views: 220
    10-13-19, 12:07 AM Go to last post
  3. Gen 2 LT-4 plug recommendations please!

    Started by LT4, 10-03-19 11:36 AM
    colder, fine, options, plug, step
    • Replies: 1
    • Views: 175
    10-07-19, 11:19 PM Go to last post
    • Replies: 3
    • Views: 239
    10-06-19, 03:00 PM Go to last post
    • Replies: 0
    • Views: 156
    10-02-19, 02:49 PM Go to last post
  4. I think I found my oil leak

    Started by Blue '90 Coupe, 09-23-19 08:52 AM
    1990, oil, read, soemthing, switch
    • Replies: 1
    • Views: 280
    09-26-19, 11:15 PM Go to last post
  5. 96 LT1 Oil Pan Removal

    Started by Jakey1954, 09-04-19 05:23 PM
    easiest, oil, pan, removal, remove
    • Replies: 1
    • Views: 333
    09-25-19, 10:51 PM Go to last post
  6. Question: C4 Alarm Problem

    Started by Sld_Gld, 06-11-19 01:56 PM
    alarm, door, nice, prevent, problem
    • Replies: 5
    • Views: 2,399
    09-25-19, 05:33 AM Go to last post
  7. !988 D/N 4+3 4spd

    Started by muddywaters, 09-20-19 12:16 PM
    4spd, chevy, dealer, find, leak
    • Replies: 3
    • Views: 381
    09-23-19, 01:39 PM Go to last post
  8. Wet passenger side carpet.

    Started by Estam, 09-18-19 10:24 PM
    carpet, drain, heater, passenger, side
    • Replies: 2
    • Views: 285
    09-20-19, 08:58 AM Go to last post
  9. 1989 corvette-runs great then stalls out

    Started by Jesika43, 09-04-19 06:15 PM
    1989, battery, corvette, fire, start
    • Replies: 1
    • Views: 340
    09-04-19, 06:18 PM Go to last post
  10. Help! 96 vette with VATS removal

    Started by wayneb661, 06-05-19 07:14 PM
    leaves, play, plug, system, vats
    • Replies: 2
    • Views: 2,278
    09-03-19, 07:18 PM Go to last post
  11. stever123

    Started by stever123, 08-19-19 06:10 PM
    appreciated, kicks, knew, stopped, throttle
    • Replies: 6
    • Views: 1,533
    08-28-19, 04:55 PM Go to last post
  12. Oil pump

    Started by 89 corvette, 08-28-19 11:53 AM
    driving, normal, pressure, psi, speeds
    • Replies: 1
    • Views: 1,188
    08-28-19, 03:18 PM Go to last post
  13. Oil pump

    Started by 89 corvette, 08-28-19 12:02 PM
    failing, mph, normal, pump, speeds
    • Replies: 1
    • Views: 1,185
    08-28-19, 01:15 PM Go to last post
  14. Cooling system question

    Started by Jessica19699, 08-21-19 08:37 AM
    2 Pages
    1 2
    corvettes, mark, pump, water, work
    • Replies: 15
    • Views: 1,597
    08-26-19, 03:40 PM Go to last post
  15. Weird noise under passenger dash

    Started by Jessica19699, 08-15-19 09:58 AM
    a/c, dash, issue, noise, passenger
    • Replies: 4
    • Views: 1,731
    08-20-19, 08:44 AM Go to last post
  16. Hood operation

    Started by Bill Heygster, 07-10-07 08:56 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,103
    08-20-19, 07:18 AM Go to last post
  17. Optispark

    Started by Scubaman, 06-21-19 10:26 AM
    2 Pages
    1 2
    cost, good, lt4, optispark, recommend
    • Replies: 16
    • Views: 2,746
    08-15-19, 11:58 PM Go to last post
  18. Intermittent Fluctuating Idle

    Started by compyelc4, 08-06-19 04:23 PM
    hot, idle, intermittent, optispark, rpm
    • Replies: 5
    • Views: 2,235
    08-13-19, 10:54 PM Go to last post
    • Replies: 6
    • Views: 2,255
    08-12-19, 04:06 AM Go to last post
    • Replies: 2
    • Views: 2,154
    07-31-19, 12:51 AM Go to last post
    • Replies: 2
    • Views: 2,171
    07-29-19, 10:32 AM Go to last post
    • Replies: 1
    • Views: 2,217
    07-21-19, 12:59 AM Go to last post
  19. REALLY strange oil leak...

    Started by Bagoftrix, 07-20-19 11:19 PM
    filter, hole, leak, oil, top
    • Replies: 2
    • Views: 2,081
    07-21-19, 12:15 AM Go to last post
  20. Fusible Links

    Started by Shafe, 07-18-19 05:12 PM
    electrical wiring, fusible, fusible links, links, power
    • Replies: 1
    • Views: 2,077
    07-18-19, 07:16 PM Go to last post
    • Replies: 0
    • Views: 2,008
    07-18-19, 05:48 AM Go to last post
  21. Help! Multi-function switch failure

    Started by bp308, 07-15-19 06:31 AM
    detail, replace, switch, turn, work
    • Replies: 0
    • Views: 2,073
    07-15-19, 06:31 AM Go to last post
  22. 87 Corvette not cranking

    Started by Chas87, 06-29-19 01:25 PM
    corvette, key, message, messages, start
    • Replies: 0
    • Views: 2,128
    06-29-19, 01:25 PM Go to last post
  23. LT-4, motor and trans out, what now?

    Started by LT4, 06-24-19 05:14 PM
    clutch, good, idea, motor, trans
    • Replies: 0
    • Views: 2,041
    06-24-19, 05:14 PM Go to last post
  24. Help! MAF sensor has me stumped

    Started by billd, 05-10-19 10:55 PM
    car, changed, circuit, maf, sensor
    • Replies: 10
    • Views: 2,503
    06-24-19, 01:53 AM Go to last post
  25. Fuel injectors

    Started by jseremba, 06-23-19 03:43 AM
    corvette, fuel, gordon, injectors, lucas
    • Replies: 6
    • Views: 2,134
    06-23-19, 08:12 PM Go to last post
    • Replies: 9
    • Views: 5,160
    06-21-19, 10:16 AM Go to last post
  26. Rough idle

    Started by Bagoftrix, 06-18-19 09:09 PM
    body, corvette, idle, set, tpis
    • Replies: 1
    • Views: 2,239
    06-20-19, 10:47 AM Go to last post
    • Replies: 5
    • Views: 2,283
    06-16-19, 11:34 PM Go to last post
  27. Inconsistent spark...

    Started by Bagoftrix, 06-15-19 06:35 AM
    hooked, ideas, plug, spark, watched
    • Replies: 4
    • Views: 2,128
    06-16-19, 10:24 AM Go to last post
  28. New owner, wierd charging issue.

    Started by 86vettePA, 06-15-19 11:55 AM
    alternator, battery, charged, ideas, starter
    • Replies: 1
    • Views: 2,031
    06-15-19, 12:39 PM Go to last post
  29. O2 sensor harness location

    Started by Bagoftrix, 06-10-19 10:11 PM
    find, harness, plug, pretty, sensor
    • Replies: 2
    • Views: 2,149
    06-11-19, 05:18 PM Go to last post
  30. Jump A&B or A&G on the 93 ALCU ?

    Started by Wayback, 05-20-19 06:59 PM
    conflicting, info, made, searches, work
    • Replies: 5
    • Views: 2,216
    06-03-19, 03:53 PM Go to last post
  31. Oil dipstick dilemma

    Started by Bagoftrix, 06-01-19 10:13 PM
    dipstick, hand, left, oil, pan
    • Replies: 2
    • Views: 2,155
    06-02-19, 08:09 PM Go to last post
  32. Distributor cap issues...

    Started by Bagoftrix, 06-01-19 11:40 PM
    cap, distributor, hei, smaller, suggestions
    • Replies: 1
    • Views: 2,089
    06-02-19, 04:30 PM Go to last post
  33. ALCL diagnostic mode

    Started by jseremba, 04-21-19 01:07 AM
    alcl, check, corvette, ecm
    • Replies: 3
    • Views: 2,340
    06-02-19, 01:23 PM Go to last post
  34. Help! replace soft top C4 from 1990

    Started by de jongh guido, 04-28-19 09:06 AM
    1990, replace, soft, thnx, top
    • Replies: 3
    • Views: 2,147
    05-30-19, 03:12 PM Go to last post
  35. Help! 1986 Vette Dies 20-30 minutes after starting

    Started by Doctorbatman, 04-28-19 10:40 PM
    2 Pages
    1 2
    corvette, fuel, idle, minutes, replaced
    • Replies: 15
    • Views: 2,704
    05-29-19, 11:09 PM Go to last post
    • Replies: 0
    • Views: 1,954
    05-28-19, 10:19 PM Go to last post

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