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Old Mar 23, 2019 | 09:08 PM
  #1  
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Default Plugs and wires

Today I did the plugs and wires on my 04 m6. And I got to tell you it was harder then I expected. The back plug was a pain but the hardest part was getting the old wires off. Lots of battle scars on my hands getting them off but got it done.
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Old Mar 23, 2019 | 09:53 PM
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No argument on any count. Congratulations!
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Old Mar 23, 2019 | 09:55 PM
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Been there, done that. Glad you survived. Felt good to cuss out loud though, huh?
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Old Mar 23, 2019 | 10:12 PM
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Congrats. I changed mine with the stock exhaust manifolds removed.

Last edited by Mike98SilVert; Mar 23, 2019 at 10:12 PM.
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Old Mar 24, 2019 | 08:56 AM
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Yeah, a bit of a knuckle buster job. Hard to get the plug wires off if they haven't been off for a while. I put some dielectric grease on the new wires to hopefully make it all easier in the future.
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Old Mar 24, 2019 | 09:06 AM
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Ditto! Definitely leaves a few battle scars for a bit and a torn wire or two for me...
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Old Mar 24, 2019 | 09:42 AM
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You need to get yourself a boot puller tool. Well worth the investment. It's not so much for when you are changing the wires but if you'd like to take them off without damaging them so you can put them back on, then they're really nice.

If you have a pair of channel locks with nice new grippy Jaws, you can grab a hold of the boot with them and then use another pry bar to gently pry them back rather than pulling for all your worth with your hands and smashing them against every sharp edge in the engine compartment.
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Old Mar 24, 2019 | 06:35 PM
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I picked up some nice long needle-nose pliers with a 90 degree bend at the tip. Something like https://www.harborfreight.com/2-pc-1...set-64082.html

Just grab the metal sleeve with them and you can lever off the plug wires pretty easily. And yeah, some grease to make it easier next time.
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Old Mar 24, 2019 | 07:24 PM
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Default wires

one was so bad it was white powder what a difference used a hotter plug and red silicone wires cheap investment
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Old Mar 24, 2019 | 07:27 PM
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Funny you mentioned that because that's exactly how I did it.
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Old Mar 24, 2019 | 07:50 PM
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Yeah, the number 7 plug is a bit of a pain to get out but so are the boots. A boot removal tool really helps.

Now you are good for a long time.
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Old Mar 24, 2019 | 08:02 PM
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Going to summit racing in Reno tomorrow to buy a spark plug wire puller for about 7 bucks. Worth it if it saves my knuckles.
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Old Mar 25, 2019 | 10:06 AM
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Haha. 3 hour spark plug change on my 46K mile, 2004Z with OEM plugs and wires. Two and a half hours pulling the %#$#$#$ wires off the plugs, a half hour actually doing the plugs.

PS The Snap on double jointed spark plug socket makes the #7 plug easy.

Snap-on spark plug socket
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Old Mar 25, 2019 | 10:17 AM
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I guess I"m in the minority, but I didn't find #7 to be any big deal.

(98 Vert).
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Old Mar 25, 2019 | 11:15 AM
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I remember I used sooooo many different tools to do the job.
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Old Mar 25, 2019 | 12:20 PM
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Not to hijack but, what plugs did you use OP? I HAVE a set of ac delco iridiums and gm red wires waiting to go on, just didn't know if anyone has another preferance.
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Old Mar 25, 2019 | 12:48 PM
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NGK TR55. NGK's are the preferred plug for most tuner shops out there. I plan to change every 25K miles, plugs are cheap, and copper gives you a hotter spark at the expense of longevity.
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Old Mar 25, 2019 | 03:18 PM
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My car was going to the shop so I was lazy and just asked them to do it. MSD wires, same plugs as before (probably TR6 for the MP112 unit, but I forgot to ask), and katech socks.
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Old Mar 25, 2019 | 08:52 PM
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AC Delco iridium 41-110 I think is the part number it's what was original to the car.
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