THE LS TRUCK LABS COMMUNITY

Build It.
Share It.

Build journals, tuning questions, troubleshooting, track results, member rides and the hard-earned lessons that never make it into a parts catalog.

Live Garage FeedACTIVE NOW
TH
6L80 flare on 2–3 after cam swapTuning Help • latest reply by 4L80Forever
JR
My 2008 Sierra LY6 street buildBuild Journals • 19 new photos
KM
Knock retard only at 5,200 RPMDatalog Review • log attached
LS
What rear gear with 33s and a 6L80?Drivetrain • 14 replies
Members12.4K
Threads4,862
Builds1,109
WHAT'S HAPPENING NOW

Latest Threads

Filter the feed by the part of the truck you’re working on and jump straight into active conversations.

🔥

Cammed 6.0 idle — what am I missing?

Idle airflow looks close but it still hunts after hot restart. Log screenshots and tune notes inside.

Tuning HelpPosted by cammedGMT9006 minutes ago
27Replies
FIND YOUR CORNER OF THE GARAGE

Forum Categories

Organized around the same systems you’re actually working on.

Build Journals

Complete truck projects, progress updates, parts lists, track results and lessons learned.

1,109 builds18.7k posts

Tuning Help

HP Tuners, datalog review, fueling, spark, idle, torque management and calibration strategy.

1,478 threads24.2k posts

Engines

LS architecture, heads, cams, compression, valvetrain, oiling and naturally aspirated combos.

903 threads12.8k posts

Transmissions

6L80, 4L80E, 4L60E, converters, shift strategy, failures and swap planning.

722 threads9.6k posts

Drivetrain

Gearing, differentials, axles, tires, driveshafts and traction.

463 threads6.1k posts

Member Rides

Show your truck, tell the story and keep your current combination in one place.

1,906 rides31.4k posts
FEATURED FROM THE GARAGE

Build Journal Spotlight

Long-form community builds that document the whole process, not just the finished photo.

FEATURED MEMBER BUILD

6.0 / 6L80 Crew Cab Street Truck

A heavy GMT900 built around a naturally aspirated 6.0, cam, long-tubes, 4.10 gears and streetable 6L80 calibration. The journal tracks the engine combination, transmission changes, tire choice and datalog-driven revisions.

6.0L LY66L80 AUTO4.10 GEAR33" TIRE

Your Truck Belongs Here.

Start a build journal, post a datalog, ask a technical question or just show what you’re working on. The best community knowledge starts with somebody sharing what actually happened.

How To Participate