• Sign Up! To view all forums and unlock additional cool features

    Welcome to the #1 Dodge, Jeep and RAM Forum dedicated to FCA owners and enthusiasts. Register for an account, it's free and it's easy, so don't hesitate to join the SRT Forum today!


School me on spark plugs.

fumanchu182

3000 Posts Club
Vendor
Premium Account
U.S. Navy Veteran
Donating Member
9 Second Best E/T
HFCOTM
Member ID
#2366
Messages
3,484
Reactions
8,476
Likes
302
City
Pasadena
State
MD
Country
United States
Vehicle
2015 Challenger SRT Hellcat
#1
I havent changed spark plugs once myself in the car and since I bought it used who knows whats going on in there. This weekends activities include compression check, borescope images and inspecting the knock sensors. I’d like to add changing the plugs. Im currently running a 2.72 and have read on the old forums that 0.028 is recommended for cars up to 18psi. Here are my options on rockauto:
8E96D2E5-5872-4F4D-A855-DD1B44ECF138.png

Can anyone speak to the items in this list or recommend another brand or one step cooler?
 


Member ID
#7458
Messages
93
Reactions
84
Likes
17
City
MARGATE
State
FL
Country
United States
Vehicle
2018 charger Hellcat
#2
I would like to know as well for future SP change.
 


Diboblo

4000 Posts Club
Founding Member
Wiki Contributor
Member ID
#1044
Messages
4,702
Reactions
26,107
Likes
252
City
Riverside
State
CA
Country
United States
Vehicle
2015 Dodge Charger Hellcat!
#3
I don't know about Challenger, but Charger... be prepared to use every curse word you know. Then go online and find some more.

What a bitch job that is.

Bob
 


Mean Cat

4000 Posts Club
Founding Member
Donating Member
9 Second Best E/T
HFCOTM
Member ID
#997
Messages
4,981
Reactions
9,435
Likes
302
City
Houston
State
TX
Country
United States
Vehicle
2017 Challenger Hellcat
#4
The .028 gap sounds good, but I think I would use factory plugs, I have never checked mine or changed either at 10k now, I was told their good till about 50k, on a 100k plug. But if I was taking them out in your case, I would go ahead & change too.
 


Mean Cat

4000 Posts Club
Founding Member
Donating Member
9 Second Best E/T
HFCOTM
Member ID
#997
Messages
4,981
Reactions
9,435
Likes
302
City
Houston
State
TX
Country
United States
Vehicle
2017 Challenger Hellcat
#5
I think the stock plug is Bosch R6, double check that tho.
 


HWDan

1000 Posts Club
Founding Member
Premium Account
Donating Member
Member ID
#1183
Messages
1,531
Reactions
4,600
Likes
162
City
Home of the Hellcat
State
Non-US
Country
Canada
Vehicle
2017 Charger SRT 392
#6
I don't know about Challenger, but Charger... be prepared to use every curse word you know. Then go online and find some more.

What a bitch job that is.

Bob
Oh wow, does the taller valve cover get in the way? I just changed the plugs on the Magnum 5.7 Hemi on the weekend and it was a piece-of-cake. The hardest one was the back passenger pair but a swivel adapter took care of that easy. A bit of effort to break the anti-seize I put on last time but once I got the plug to start turning, easy out. I feared the worst, missed the changeout by a good 30-50K. They all still looked good as new, all the right colors.
 


Diboblo

4000 Posts Club
Founding Member
Wiki Contributor
Member ID
#1044
Messages
4,702
Reactions
26,107
Likes
252
City
Riverside
State
CA
Country
United States
Vehicle
2015 Dodge Charger Hellcat!
#7
Oh wow, does the taller valve cover get in the way? I just changed the plugs on the Magnum 5.7 Hemi on the weekend and it was a piece-of-cake. The hardest one was the back passenger pair but a swivel adapter took care of that easy. A bit of effort to break the anti-seize I put on last time but once I got the plug to start turning, easy out. I feared the worst, missed the changeout by a good 30-50K. They all still looked good as new, all the right colors.
5.7. 6.1. Easy.

6.2 SC, Bollocks.

Zero room, on either side. Passenger side bites.



Bob
 


vortecd

Poster Club Hall of Fame
Premium Account
Donating Member
9 Second Best E/T
HFCOTM
Member ID
#1248
Messages
48,699
Reactions
156,586
Likes
402
City
Middleville
State
MI
Country
United States
Vehicle
2016 Charger Hellcat
#8
I don't know about Challenger, but Charger... be prepared to use every curse word you know. Then go online and find some more.

What a bitch job that is.

Bob
Why do you say that? Did my 5.7 '09 Jeep pretty easy
 


vortecd

Poster Club Hall of Fame
Premium Account
Donating Member
9 Second Best E/T
HFCOTM
Member ID
#1248
Messages
48,699
Reactions
156,586
Likes
402
City
Middleville
State
MI
Country
United States
Vehicle
2016 Charger Hellcat
#9
5.7. 6.1. Easy.

6.2 SC, Bollocks.

Zero room, on either side. Passenger side bites.



Bob
guess I should have read further:LOL:
 


Diboblo

4000 Posts Club
Founding Member
Wiki Contributor
Member ID
#1044
Messages
4,702
Reactions
26,107
Likes
252
City
Riverside
State
CA
Country
United States
Vehicle
2015 Dodge Charger Hellcat!
#10
guess I should have read further
Took me 2 hours, on my 15 HC Charger.

Took me an hour each, on my 06 SRT and 5.7 Magnum.

It is a bitch, because no room. Not difficult. Just frustrating.

Drop lithium, before you start...

Bob
 


white1

Active Member
9 Second Best E/T
Member ID
#5684
Messages
267
Reactions
411
Likes
67
City
Prairieville
State
LA
Country
United States
Vehicle
2020 hellcat charger widebody
#11
NGK 2309 should be one step colder.

And, yes, its a PITA on the hellcats due to the intercooler coolant lines and valve covers
 


moparjim

1000 Posts Club
Founding Member
10 Second Best E/T
HFCOTM
Member ID
#1084
Messages
1,731
Reactions
4,306
Likes
212
City
Vaudreuil
State
Non-US
Country
Canada
Vehicle
2016 Challenger Hellcat
#12
I found work from the front to the back helps.
Driver side pop up coil and fold it down ward so once out it is upside down.
Then you can slide them out the front.
The pass side back two will make you hate yourself.
I pulled them out to the right so the tube on the left tube comes out first.
Once done all plugs on one side then reinstall the coils from front to back.
Guiding the boots on the rear passenger side is not fun.
 


Last edited:

BULL

Oh NO! Not that guy!
Staff Team
Founding Member
U.S. Marine Veteran
Donating Member
HFCOTM
Wiki Contributor
Member ID
#1079
Messages
14,585
Reactions
44,734
Likes
402
City
Weld County
State
CO
Country
United States
Vehicle
MY16 M6 Challenger Hellcat
HFCOTM
View Images
#13
Guiding the boots on the rear passenger side is not fun.

I haven't done it on this car/engine, but is this a case where dielectric grease would help with the boots sliding on the plugs??
 


Diboblo

4000 Posts Club
Founding Member
Wiki Contributor
Member ID
#1044
Messages
4,702
Reactions
26,107
Likes
252
City
Riverside
State
CA
Country
United States
Vehicle
2015 Dodge Charger Hellcat!
#14
I haven't done it on this car/engine, but is this a case where dielectric grease would help with the boots sliding on the plugs??
More like Astro Glide...
 


Last edited:

moparjim

1000 Posts Club
Founding Member
10 Second Best E/T
HFCOTM
Member ID
#1084
Messages
1,731
Reactions
4,306
Likes
212
City
Vaudreuil
State
Non-US
Country
Canada
Vehicle
2016 Challenger Hellcat
#15
I haven't done it on this car/engine, but is this a case where dielectric grease would help with the boots sliding on the plugs??
Guiding in the tube into the hole is a PIA. you have the coil upside down beside the holes in valve cover.
you have to bend the first tube to get it started on it's decent then you have to fold over the other one. I used a small screw driver to guide it in.
 


Mean Cat

4000 Posts Club
Founding Member
Donating Member
9 Second Best E/T
HFCOTM
Member ID
#997
Messages
4,981
Reactions
9,435
Likes
302
City
Houston
State
TX
Country
United States
Vehicle
2017 Challenger Hellcat
#16
I'm at 10k miles, not sure when I want to check / change my plugs, maybe at 20k / 50k ?
Not looking forward to it though.
 


Diboblo

4000 Posts Club
Founding Member
Wiki Contributor
Member ID
#1044
Messages
4,702
Reactions
26,107
Likes
252
City
Riverside
State
CA
Country
United States
Vehicle
2015 Dodge Charger Hellcat!
#17
I'm at 10k miles, not sure when I want to check / change my plugs, maybe at 20k / 50k ?
Not looking forward to it though.
IIRC the manual says 60k.

Bob
 


Mean Cat

4000 Posts Club
Founding Member
Donating Member
9 Second Best E/T
HFCOTM
Member ID
#997
Messages
4,981
Reactions
9,435
Likes
302
City
Houston
State
TX
Country
United States
Vehicle
2017 Challenger Hellcat
#18
IIRC the manual says 60k.

Bob
yeah, but since I race it a lot, think I should do it sooner ?
 


Hickster

4000 Posts Club
Founding Member
HFCOTM
Member ID
#781
Messages
4,892
Reactions
6,292
Likes
302
City
Seminole
State
FL
Country
United States
Vehicle
2018 Hellcat Challenger
#19
NAPA
 


Diboblo

4000 Posts Club
Founding Member
Wiki Contributor
Member ID
#1044
Messages
4,702
Reactions
26,107
Likes
252
City
Riverside
State
CA
Country
United States
Vehicle
2015 Dodge Charger Hellcat!
#20
yeah, but since I race it a lot, think I should do it sooner ?
Prolly.

I would think it depends, stock vs mods.

Someone more race qualified will.chime in, I'm sure.

Bob
 




Top