Spark plugs...

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Feb 16, 2018 | 12:47 PM

Ghostnotes

Thread Starter

Racer

Joined: May 2017

Posts: 495

Likes: 51

From: Woodlands Texas

Spark plugs.....what are you using or suggest?

Or how about the gap??

Last edited by Steve Garrett; Feb 24, 2018 at 01:36 PM. Reason: Merged Posts

Feb 16, 2018 | 06:28 PM

raylo

Drifting

Joined: Dec 2015

Posts: 1,410

Likes: 414

From: Germantown Maryland

I think I have about 90,000 miles left on my OEMs! ;-)

Feb 16, 2018 | 10:01 PM

Ghostnotes

Thread Starter

Racer

Joined: May 2017

Posts: 495

Likes: 51

From: Woodlands Texas

Quote:

Originally Posted by raylo

I think I have about 90,000 miles left on my OEMs! ;-)

I left mine in when i sent them out for headwork.
Plus my heat range/gap has probably changed.

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Feb 17, 2018 | 01:42 PM

Bill Dearborn

Tech Contributor

Joined: Oct 1999

Posts: 40,999

Likes: 9,764

From: Charlotte, NC (formerly Endicott, NY)

Stock work fine and they are good for 100K miles. No real need to change them. Little to no advantage to switching plugs unless you have modded the engine and changed the heat range required to work properly in the engine.

Bill

Feb 17, 2018 | 01:47 PM

cv67

Team Owner

Joined: Oct 2004

Posts: 81,241

Likes: 3,062

From: altered state

St. Jude Donor '05

Leave them be no need to touch them. Ive lost power trying to change heat ranges, gaps etc

Feb 18, 2018 | 09:03 AM

mcoomer

Burning Brakes

Joined: Apr 2015

Posts: 926

Likes: 211

From: Sammamish Washington

Quote:

Originally Posted by Ghostnotes

I left mine in when i sent them out for headwork.
Plus my heat range/gap has probably changed.

Quote:

Originally Posted by Bill Dearborn

Given his comments, I believe he's correct to ask the question. At the very least the gap should be checked to confirm it wasn't disturbed. Can't answer your question about heat range without knowing what work was done. I'd ask the shop that did the work as a starter.

Feb 18, 2018 | 10:47 AM

Ghostnotes

Thread Starter

Racer

Joined: May 2017

Posts: 495

Likes: 51

From: Woodlands Texas

Quote:

Originally Posted by mcoomer

I did all the spec/design and assembly.....execpt for the machine work of course.
Usually i would go a range up since im up on compression, radical cam and headwork. But being unfamiliar with the LT/Direct injection, i figured I'd ask here.

I'm starting with ACDelco irridium.

Last edited by Ghostnotes; Feb 18, 2018 at 10:48 AM.

Feb 23, 2018 | 04:34 PM

Eric_Hirschberg

3rd Gear

Joined: Dec 2017

Posts: 3

Likes: 0

Has anyone tried E3 spark plugs and what are your thoughts on those versus the OE plugs?

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Feb 24, 2018 | 11:32 AM

cv67

Team Owner

Joined: Oct 2004

Posts: 81,241

Likes: 3,062

From: altered state

St. Jude Donor '05

You will not gain anything period. These cars are 'smart" gm did their homework. Save your money....

Same goes with plug wires, when someone shows me a plug wire swap with a real 40hp gain Ill sign my car over to them.

Last edited by cv67; Feb 24, 2018 at 11:33 AM.

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