yes I tried searching, but there isn't much info on the subject.

It looks like a easy plug and play job...

clear up the area, pull and replace them one at a time?

never done it before, just wondering if there is anything special i should know...


and FYI the plugs were replaced a few hundred miles ago by someone else, and I have the HKS ignition box.

Car is stage 4 stillen supercharged on a stock block...

thanks!

 

whoa that was my first post, thought I at least said something by now...

been lurking for a while, search feature has helped me get all the newbie questions outta the way...

 

Why do you need to change the coils?

 

under acceleration at higher RPMs, it misfires a lil bit... Previous owner that i bought the car from decided to tell me after I bought it.

Said that stillen looked at it and said it was an ignition problem. They changed out the spark plugs and swapped the HKS box out under warranty. Problem is still there, only could be the coils?

seems just like one cylinder? I assume only one is bad but i'm going to replace all of them.

 

Could be the problem.

Back when I had my stillen stage 4 I had a detonation issue. It was the high heat and ss box not being able to pull timing when it happened.

 

if you do replace them, put a light coat of high temp grease on the inside of the boot.

 

If you coil(s) are bad, you probably should be seeing an error code aka check engine light.

 

Testing and Inspection

Component Inspection

IGNITION COIL WITH POWER TRANSISTOR

1. Turn ignition switch OFF.
2. Disconnect ignition coil harness connector.





Check resistance between ignition coil terminals as shown.

 

Service and Repair

IGNITION COIL



Removal and Installation

REMOVAL

1. Remove engine cover with power tool.
2. Remove air cleaner case and air duct (for ignition coil of LH bank side).
3. Move aside harness, harness bracket, and hoses located above ignition coil.
4. Disconnect harness connector from ignition coil.
5. Remove ignition coil. CAUTION: Do not shock it.
6. Using spark plug wrench (commercial service tool), remove spark plug.

INSTALLATION

1. Install in the reverse order of removal.

 

wow thanks for the post! about to go walk out there, glad i checked it first!

Didn't find that anywhere in the search

But one last question, is it necessary to pull the spark plug? I guess it might be required to get the coil to install properly?

Would be easier if i didn't have to pull the plugs... hmmmmmm

 

You don't need to remove them. But if I was replacing a new coil. I sure would install a new spark plug to go with it.

 

Minimizing future repeative labor is always good since rough handling of coil and extension is number one cause of failure. New plugs buys you a long time before you need to disturb new coils.

 

yeah i wanted to replace the plugs, but i was told they were replaced a couple hundred miles ago.

Also, I started the job after stores closed... was over waiting another day.

I pulled a plug from each side and they looked great. Newish.

Haven't started the motor yet... its way too loud to do at midnight! And I was too drunk to drive around

In class, will be back home later tonight to check it out. The install went quick and smooth.