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-   -   Spark Plugs (https://www.corvetteforum.com/forums/c7-general-discussion/4255205-spark-plugs.html)

joemessman 03-24-2019 12:02 PM

Spark Plugs
 
Time to replace my spark plugs. Any recommendations as to what I should purchase? Thanks.

Kracka 03-24-2019 02:56 PM


Originally Posted by joemessman (Post 1599099983)
Time to replace my spark plugs. Any recommendations as to what I should purchase? Thanks.

Can't go wrong with a new set of the factory ACDelco plugs. I just ordered a new set along with wires from RockAuto, they have a mail in rebate offer going on for the plugs.

Kevin A Jones 03-24-2019 03:58 PM

^ I agree as no reason I can think of to go with anything other than what the maker specifies. You must have a ton of miles on her.

Kracka 03-24-2019 04:13 PM


Originally Posted by Kevin A Jones (Post 1599101017)
^ I agree as no reason I can think of to go with anything other than what the maker specifies. You must have a ton of miles on her.

I'm doing mine @ 43k miles since my car is now 5 years old. Not called for until 100k, but no harm in staying ahead of the curve is my thought to make sure it keeps running like new.

joemessman 03-24-2019 04:35 PM


Originally Posted by Kevin A Jones (Post 1599101017)
^ I agree as no reason I can think of to go with anything other than what the maker specifies. You must have a ton of miles on her.

I have about 93,500 miles on it! I'll take the plugs in with my next oil change and have them replace them. The dealership here in Lake Havasu let's me bring my own parts in. Some items, as I'm sure you are well aware of, are significantly less expensive than at a dealership. They don't mind.

Skid Row Joe 03-24-2019 04:50 PM

I haven't had to change spark plugs in 30 years.:nonod: All my cars and RVs, have been diesels !! :lol:

..I'm with Krackah! Get em, and plug wires on Amazon/ Internet. :yesnod:

Dale Stevens 03-24-2019 06:03 PM

Careful here; for some reason the plug wires are an art to put on where they will stay. . I've had twice to come off. Of course on the right bank which is a real hassle to get to. Definitely let a vette tech do it. Dale

Kevin A Jones 03-24-2019 08:00 PM


Originally Posted by joemessman (Post 1599101267)
I have about 93,500 miles on it! I'll take the plugs in with my next oil change and have them replace them. The dealership here in Lake Havasu let's me bring my own parts in. Some items, as I'm sure you are well aware of, are significantly less expensive than at a dealership. They don't mind.

Wow, sounds like that's been good one. :thumbs:

C2car 11-20-2021 01:02 PM

First of all the plugs don't look foul, i would recommend pull the plugs clean with small heat Torch gap at .035 Its not your Wires , find a good used coil that you know that works don't install thoses Delco Repro. made in China there junk and see what happens.

joemessman 11-20-2021 01:08 PM


Originally Posted by 435beast (Post 1604342110)
First of all the plugs don't look foul, i would recommend pull the plugs clean with small heat Torch gap at .035 Its not your Wires , find a good used coil that you know that works don't install thoses Delco Repro. made in China there junk and see what happens.

Thanks for the advice. I have already bought the plugs and they were made in Michigan according to the box. I got them at Rock Auto and my final cost for eight of them was $36 after the $24 rebate. I'm just going to have my mechanic install them at my next oil change. I never even gave it a thought to do it myself. To begin with, I can hardly turn a light switch on and off. :lol:

charliebrown266 11-20-2021 09:19 PM

NGK one step cooler on my Z06

wrecker3 11-21-2021 07:58 AM

I have not changed spark plugs in over 30 years !!

Corgidog1 11-21-2021 08:12 AM

At the rate I am driving my C7 (13k in 5.5 yrs), I will hit 100K when I am 117. I will worry about it then.,,,,

Gearhead Jim 11-21-2021 01:52 PM

Talking to the tech at our previous dealership, I asked how the plugs on the C5/C7 looked when they were changed.
He said at 50k they still looked good, at 100k they definitely need to be changed.

aklim 11-21-2021 10:03 PM

IDK. Most of the cost of the plug replacement is already paid for with the labor. Retail at Autozone is under $9 assuming no rebate. What would the point be of dragging it to 100K? I really don't like to leave plugs in that long especially with cars that aren't driven very much. Over the years, I have never done a stuck spark or glow plug that didn't require some sort of head work.


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