passenger-side spark plugs
TECH Enthusiast
Joined: May 2005
Posts: 555
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From: Blairsville, GA
Yes, there are a few special tools you'll need. The LS1 F-body is the only car I know of that requires you to use a jack and jackstands to change the #8 plug.
Actually, #6 was the roughest one on our WS6. For #8, I got under the car, and once I loosened the plug, the rest was easy considering the strange contortions I had to put my arm through. As for the rest of the passenger side, you can take off the coil packs(or the rail with the coils on it for 99-up) and the AIR tube to make for more room. Expect severe road rash on your arms at any rate.
Actually, #6 was the roughest one on our WS6. For #8, I got under the car, and once I loosened the plug, the rest was easy considering the strange contortions I had to put my arm through. As for the rest of the passenger side, you can take off the coil packs(or the rail with the coils on it for 99-up) and the AIR tube to make for more room. Expect severe road rash on your arms at any rate.
Thread Starter
Teching In
Joined: Jun 2005
Posts: 44
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i got all the other plugs out without taking off any coil packs. i called new era performance and they said its easiest to get at it from the bottom. i dont know anyone from there all too well, i usually deal with thunder racing. but they are hard to get ahold of at this time
TECH Fanatic
Joined: Apr 2005
Posts: 1,231
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From: Just This Side of Damnation
Use the search to find info from this site. There are tons of discussions.
It took me a while to get at that last plug, but next time it won't take long at all. Remove your coil packs and AIR pipe, as has already been mentioned. I came at mine from the top with my right hand. That's what did the trick overall.
I think maybe next time I'll just do that one first and coast through the rest.
It took me a while to get at that last plug, but next time it won't take long at all. Remove your coil packs and AIR pipe, as has already been mentioned. I came at mine from the top with my right hand. That's what did the trick overall.
I think maybe next time I'll just do that one first and coast through the rest.
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Staging Lane
Joined: Jul 2005
Posts: 70
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Two of my friends and I just changed my plugs and wires. Everything was smooth until #8. It took us 1.5 hrs to get it out because it was so ******* seized/torqued in there. 80k mi car so I'll never replace them again most likely but if I did it would be simple.
I needed a swivel socket only to get the Air Tubes out of the way.
After that I took the coil pack rail off completely (gives you room)
With those two items removed, it took me 15 minutes to change the plugs. I used a 3inch extension and a spark plug socket for 2 and 4, and I just used a spark plug socket for 6 & 8. 6 & 8 were tight, I had to hold the ratchet vertically, and I had a narrow range of movement, but I got those out relatively easy.
The only other thing I would have moved out of the way was the dipstick.....it was an annoyance.
The hardest part of the whole job was that stupid 5th bolt on the coil pack rail.....
After that I took the coil pack rail off completely (gives you room)
With those two items removed, it took me 15 minutes to change the plugs. I used a 3inch extension and a spark plug socket for 2 and 4, and I just used a spark plug socket for 6 & 8. 6 & 8 were tight, I had to hold the ratchet vertically, and I had a narrow range of movement, but I got those out relatively easy.
The only other thing I would have moved out of the way was the dipstick.....it was an annoyance.
The hardest part of the whole job was that stupid 5th bolt on the coil pack rail.....
i did all mine from the top with no problems 
. of course i dont have a/c or any emissions equipment 
after hearing of all the issues with spark plug changing i tried to get #8 from the bottom but it was impossible on my car. i could see the hole but had no chance of snaking my arm up there with the headers in the way. with the coilpacks and valvecovers off, i had a ton of room.
. of course i dont have a/c or any emissions equipment after hearing of all the issues with spark plug changing i tried to get #8 from the bottom but it was impossible on my car. i could see the hole but had no chance of snaking my arm up there with the headers in the way. with the coilpacks and valvecovers off, i had a ton of room. 