C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

spark plug gap?

Thread Tools
 
Search this Thread
 
Old Sep 2, 2010 | 02:35 AM
  #1  
mingey's Avatar
mingey
Thread Starter
Cruising
 
Joined: Jul 2008
Posts: 12
Likes: 0
Default spark plug gap?

well i posted a few days ago and never got a response, but i replaced the opti with msd, the coil with msd, and the plugwires with msd. i am replacing the plugs with ngk g-power with the parts store says that these plugs need to be set at .050'' with this engine. now with that new msd set up i got what should i set them at?, i was thinking .042'' cause thats what my father told me to run. also the only reponsewas fsm said .032''

kinda lost need info please
Reply
Old Sep 2, 2010 | 03:08 AM
  #2  
Lemme's Avatar
Lemme
Drifting
15 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Nov 2009
Posts: 1,341
Likes: 2
From: Perth Western Australia
St. Jude Donor '10
Default

Originally Posted by mingey
well i posted a few days ago and never got a response, but i replaced the opti with msd, the coil with msd, and the plugwires with msd. i am replacing the plugs with ngk g-power with the parts store says that these plugs need to be set at .050'' with this engine. now with that new msd set up i got what should i set them at?, i was thinking .042'' cause thats what my father told me to run. also the only reponsewas fsm said .032''

kinda lost need info please
Does the msd give a recommendation? If its the high voltage multiple spark msd then it is normal to open up the plugs wider. My vote is 0.05.
Reply
Old Sep 2, 2010 | 06:58 AM
  #3  
onedef92's Avatar
onedef92
Team Owner
20 Year Member
 
Joined: Oct 2000
Posts: 96,443
Likes: 9
From: Fort Knox, KY
Cruise-In IV Veteran
Cruise-In VI Veteran
Cruise-In VII Veteran
Cruise-In VIII Veteran
Default

You didn't specify what year 'Vette, but peep the NGK website for yourself to check the correct gap.

http://www.ngksparkplugs.com/part_fi...t.asp?mode=nml
Reply
Old Sep 3, 2010 | 01:56 AM
  #4  
mingey's Avatar
mingey
Thread Starter
Cruising
 
Joined: Jul 2008
Posts: 12
Likes: 0
Default

sorry i should have gave more info. 1995 lt1 all stock other than what i am installing right now i emailed ngk and they said .030-.050 inchs more of a gap, but that just seems like a default answer to me
Reply
Old Sep 3, 2010 | 02:02 AM
  #5  
samsonb's Avatar
samsonb
Safety Car
15 Year Member
 
Joined: Jan 2004
Posts: 3,759
Likes: 8
Default

Do you have an owners manual? As it should tell you in there.
Reply

Get notified of new replies

To spark plug gap?





All times are GMT -4. The time now is 05:40 PM.

story-0
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-1
2027 Corvette vs The World: Every Model vs Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-20 17:58:41


VIEW MORE
story-2
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE
story-3
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE
story-4
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE
story-5
10 Things C8 Corvette Owners Hate (But Won't Tell You)

Slideshow: 10 things C8 Corvette owners hate, but won't tell you.

By Joe Kucinski | 2026-04-01 18:36:07


VIEW MORE
story-6
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

Slideshow: Should you add one of these incredible Corvettes to your garage?

By Brett Foote | 2026-04-01 18:14:05


VIEW MORE
story-7
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE
story-8
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

Slideshow: Breaking down the 2027 Grand Sport, Grand Sport X, Stingray, and LS6 V8.

By Michael S. Palmer | 2026-03-26 13:48:45


VIEW MORE
story-9
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

Slideshow: 5 reasons bad drivers crash sports cars & 5 ways to avoid a costly shame!

By Joe Kucinski | 2026-03-25 16:32:55


VIEW MORE