Learn how to change the spark plugs and wires in a C4 Corvette with an LT1 or LT4 from 1992 through 1996. This is a job the every day person can do and save yourself some money! This also applies to the LT1 and LT4 Camaro, Impala, Caprice, etc.
How to Gap the Spark Plug: https://www.youtube.com/watch?v=IuW3svdqKZM
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Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix.

14 thoughts on “How to change the spark plugs and wires in a corvette”
  1. Avataaar/Circle Created with python_avatars Chris Scratch says:

    Great video, I never would have guessed that panel pops out on the driver side wheel well.

  2. Avataaar/Circle Created with python_avatars 24Garret says:

    Thanks so much. 10 years later still a great video. Couldn't find anything this detailed on this engine, and just picked up a '95 z28 camaro. thank you once again.

  3. Avataaar/Circle Created with python_avatars Solo_ TTV says:

    Cylinder 8 is a pain the get to

  4. Avataaar/Circle Created with python_avatars mario acosta says:

    Mine is a 93 C4

  5. Avataaar/Circle Created with python_avatars mario acosta says:

    Thanks. I need help with the frame rail
    Ground strap attaching point. It is supposed to go somewhere on the engine. Mine appears to be held on with a self tapping screw attached to the catalytic converter bracket.
    Where is the correct attaching point ?

  6. Avataaar/Circle Created with python_avatars Doug Moody says:

    This is hands down the best video on YT explaining how to replace wires and plugs on a C4. I really liked how you anticipated questions and showed the "hard parts" without wasting time showing everything. Yes, this video is 10 years old and you have likely moved on. Oh, and at the end showing the graphic was another great bonus.

  7. Avataaar/Circle Created with python_avatars mario acosta says:

    I took my time today. I finished the passenger side. Tomorrow I’ll tackle the driver side. Thanks a bunch for great suggestions that do work.

  8. Avataaar/Circle Created with python_avatars mario acosta says:

    I paused the video and noticed that 6&8 are the ones that use the straight plug wire.

  9. Avataaar/Circle Created with python_avatars mario acosta says:

    Where do the two wires go that have straight ends? The six others have angled boots for the spark plugs. Thanks for great videos

  10. Avataaar/Circle Created with python_avatars Anthony D'Alessio says:

    Outstanding vid sir..

  11. Avataaar/Circle Created with python_avatars Dominick Nicolai says:

    Love it

  12. Avataaar/Circle Created with python_avatars Mario Acosta says:

    Where did you order the plugs from? I’m interested because you mentioned they are individually numbered. Thank you

  13. Avataaar/Circle Created with python_avatars John Thomas says:

    Not a big fan of Anti-seize most plugs are plated. Anti-seize acts as a lubricant and will allow you to over torque your plugs. Dry torque vs wet torque is different.

  14. Avataaar/Circle Created with python_avatars Ethan Watters says:

    Thanks Chris. Good content and the diagram at the end is very useful. Firing order is a bit important.

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