Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

Plug gap for my build

Thread Tools
 
Search this Thread
 
Old Apr 20, 2021 | 03:33 PM
  #1  
The0nlyon3's Avatar
Thread Starter
TECH Regular
 
Joined: Aug 2007
Posts: 405
Likes: 42
Default Plug gap for my build

Dart LS Next block, forged internals. 11.6:1 CR TFS GenX 260 LS7 heads. TFS recommend NGK 4177 TR6 plugs, not sure what they should be gapped at.

NA build for now.
Reply
Old Apr 20, 2021 | 03:34 PM
  #2  
01CamaroSSTx's Avatar
11 Second Club
10 Year Member
Liked
Loved
Community Favorite
iTrader: (3)
 
Joined: Feb 2015
Posts: 6,012
Likes: 2,291
From: Conroe, Texas
Default

.040 gap
Reply
Old May 3, 2021 | 07:46 AM
  #3  
98SSHARDTOP's Avatar
Teching In
 
Joined: Aug 2020
Posts: 49
Likes: 2
From: Fort Worth
Default

Originally Posted by The0nlyon3
Dart LS Next block, forged internals. 11.6:1 CR TFS GenX 260 LS7 heads. TFS recommend NGK 4177 TR6 plugs, not sure what they should be gapped at.

NA build for now.
with your setup, would gap at .040
Reply
Old May 8, 2021 | 01:58 AM
  #4  
Nick912's Avatar
Teching In
 
Joined: May 2021
Posts: 34
Likes: 6
Default

.040" seems right to me as well. How did this work out for you?
Reply
Old May 24, 2021 | 05:38 PM
  #5  
The0nlyon3's Avatar
Thread Starter
TECH Regular
 
Joined: Aug 2007
Posts: 405
Likes: 42
Default

Originally Posted by Nick912
.040" seems right to me as well. How did this work out for you?

worked well! Runs well, just need to break in the engine
Reply




All times are GMT -5. The time now is 10:42 AM.

story-0
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-1
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-2
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-3
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-4
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-5
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-6
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-7
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-8
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-9
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE