C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Plug Wires????

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Old Sep 25, 2001 | 10:16 AM
  #1  
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Default Plug Wires????

1996 LT1?? Any helpful hints on changing plug wires on car would be very much appreciated. Thanks
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Old Sep 25, 2001 | 10:20 AM
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Default Re: Plug Wires???? (24power)

Please do a search on this subject. Over the past few months, there has been a number of very informative threads.

Good luck... you will need it.
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Old Sep 25, 2001 | 10:31 AM
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Default Re: Plug Wires???? (24power)

Here's what I did on my 95 to help me out. I removed all the stock wire looms, they only cut you up and get in the way, I cut a 3X4 inch square out of the driver's side wheel well at the area where the rear of the upper control arm goes through, this gives you a straight shot at number 1 and 3 plugs and wires, also remove the a/c compressor, do this by removing the serpentine belt and the 4 mounting bolts on the driver's side of the unit, the lower bolts are not too easy to remove, hang the compressor over the by the tire and tie it back with something, now if you do all these things you won't have any problems changing your plugs or wires. I wish that I can show you pics, but I didn't take any during my install. I wish you luck. :cheers:
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Old Sep 25, 2001 | 10:47 AM
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Default Re: Plug Wires???? (24power)

Most of the problems are on the drivers side. As mentioned removing the AC compressor helps, you can also get a more room to work on the drivers side spark plugs be removing the ASR unit.
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Old Sep 25, 2001 | 11:02 AM
  #5  
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Default Re: Plug Wires???? (95CYC4)

What did you do to secure the hole in the wheel well to prevent water and road grime from entering?
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Old Sep 25, 2001 | 05:30 PM
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Default Re: Plug Wires???? (24power)

Get a scalpel and start trimming down the size of your hands so that you can reach them more easily. I don't have a problem changing plugs or wires on mine....
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Old Sep 25, 2001 | 06:24 PM
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Default Re: Plug Wires???? (24power)

Changing the driver's side plugs was easy for me.

You can easily remove the middle part of your wheel well by removing six hex-head screws. This is the part of the wheel well that is located over the upper A arm. I did not have to saw a hole in my wheel well.

Doing this allows you straight-in access to #1 and #3 plugs; and access into plugs #5 and #7 with a 90 degree socket wrench.

I did not have to remove anything under the hood to get the plugs changed.

I have reached the conclusion that Chevy has an easy way to do most things: But you have to figure it out

As a sidebar, I am going to check my plugs at more frequent intervals in the future. Even though the manual says the plugs last 90k miles, the gaps in my old plugs had burned open to .065 to .070". The plugs still looked to be in pretty good shape, just that the gaps were too big. In the future, I will do what another member said a couple weeks ago: recheck your gaps every 10k miles. (and clean up the plugs and reinsert them)
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Old Sep 25, 2001 | 08:46 PM
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Default Re: Plug Wires???? (24power)

Good luck :(
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Old Sep 25, 2001 | 09:03 PM
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Default Re: Plug Wires???? (Scott LeMuke)

I didn't ever look to see if that wheel well cover comes off, I was too pissed from changing the opti. It's the best way to get to the plugs. Thanks for that tip. I don't have any dirt problems since there already was an opening from the factory there and I just made it a tad bit bigger. I hope this helps you out. I will have to look for those bolts, man do I feel stupid, but it's still easy to get to my plugs and wires. Good Luck!!! :cheers:
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Old Sep 26, 2001 | 03:08 AM
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Default Re: Plug Wires???? (Scott LeMuke)

Even though the manual says the plugs last 90k miles, the gaps in my old plugs had burned open to .065 to .070". The plugs still looked to be in pretty good shape, just that the gaps were too big.
If you're referring to the stock platinums, it sounds like you're a member of the "My-platinum-pucks-fell-off-the-crappy-GM-plugs" Club. Welcome :rolleyes: :D

In the future, I will do what another member said a couple weeks ago: recheck your gaps every 10k miles. (and clean up the plugs and reinsert them)
Wow! If you go through the motions of removing your plugs every 10k, might as well put new ones in at that time, since they are relatively cheap (about $18/set)
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Old Sep 26, 2001 | 07:52 PM
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Default Re: Plug Wires???? (JasonL)

Thanks for the info. I'm new at this, but learning alot each day.

Where do you get a set of plugs for $18? My set cost $48.
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Old Sep 26, 2001 | 11:32 PM
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Default Re: Plug Wires???? (Scott LeMuke)

I think my last set of NGK TR55's were around $16 something from O'rileys (or Hi-Lo or whatever they are now )


[Modified by R94 LT 1, 9:35 PM 9/26/2001]
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Old Sep 27, 2001 | 04:53 PM
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Default Re: Plug Wires???? (R94 LT 1)

What gap are you running on the TR55's? :yesnod:
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Old Sep 27, 2001 | 05:17 PM
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Default Re: Plug Wires???? (Wdnuwndr)

I use the stock gap spec .050. :yesnod:


[Modified by R94 LT 1, 3:17 PM 9/27/2001]
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