LS1LT1 Forum banner
Welcome to

News & Announcements News & Announcements
1.2K 437K
  • 1.2K
  • 437K


LS1 LT1 Car Of The Month!
2.2K 390K
  • 2.2K
  • 390K site issues

244 74.1K
  • 244
  • 74.1K

New User Introductions

Say hi & tell us about yourself and your car here. New users are encouraged to post here first before accessing the other forums
23.4K 3.8M
  • 23.4K
  • 3.8M
General Tech

General Tech

Basic & general automotive tech discussion. For anything not specifically related to a particular powertrain or vehicle platform.
21.3K 4.6M
  • 21.3K
  • 4.6M
  • 2.5K
  • 426K

Moderators' Rides Showcase

Our staff show off their rides, reveal their mods, etc.
948 206K
  • 948
  • 206K
Engine Tech

LS1 | LS6 | LS2 | LS3 |LS7 Engine Tech

Tech for the GM LSx series of engines, including Gen III LS1 and LS6, Gen IV LS2, LS7, L92 and upcoming LS3 and LS9.
10.2K 2.7M
  • 10.2K
  • 2.7M

LT1 | LT4 | L99 Engine Tech

Technical discussion for the LTx Gen II series motors.
193K 35.8M
  • 193K
  • 35.8M

Classic Chevy Small Block & Big Block

Gen I 1955-1998 Chevrolet Small Block tech (incl. L98/TPI) & all generations Big Blocks. Other general old school engine tech should go here too (Olds/Buick/Pontiac)
1.9K 736K
  • 1.9K
  • 736K

Forced Induction

Turbos and Supercharger Tech for your LS1 and LT1
4.4K 1.3M
  • 4.4K
  • 1.3M

N20 Tech

Nitrous installation, recommendations, proper use, etc.
2.8K 727K
  • 2.8K
  • 727K

PCM tuning & Computer Diagnostics

For LT1/LS1 Edit & HP Tuners, or aftermarket ECM questions & tech, data logging, etc.
10.2K 3.1M
  • 10.2K
  • 3.1M

V6 Tech

Engine tech for the V6 owners out there. 3.4, 3.8/3800, etc.
858 326K
  • 858
  • 326K
Chassis & Powertrain Tech

Automatic Transmissions | Torque Converters

4L60E, 4L80E, 6L60E, TH350 & TH400, 700R4, 200R4, etc. plus torque converter tech.
12.6K 3.4M
  • 12.6K
  • 3.4M

Manual Transmissions | Clutches

T56, T5, etc. and clutch tech.
6.3K 2M
  • 6.3K
  • 2M

Rear End, Axles & Gearing

Rear ends, differentials, and ring & pinion tech. 7.5/7.625 10-Bolt, 12-bolt, Ford 9 inch, etc.
7.2K 2.1M
  • 7.2K
  • 2.1M

Chassis | Suspension | Braking | Wheels & Tires

Handling and Drag Race chassis & suspension tech as well as braking discussion. Including: shocks, springs, sway bars, subframe connectors, manual racks, brake upgrades & repair, roll bars, cages, harnesses, wheels, tires, etc.
13.6K 3.3M
  • 13.6K
  • 3.3M

Appearance Mods & Car Care/Detailing

Interior and Exterior appearance mods |car care, wax & polish, etc.
12.1K 2.6M
  • 12.1K
  • 2.6M

Car Audio & Electronics

Stereo systems, in-car game systems, audio & video installations, and other general non-powertrain electrical and electronics stuff.
4.5K 1.4M
  • 4.5K
  • 1.4M
Platform Specific Tech


Corvette & XLR specific tech
1.4K 453K
  • 1.4K
  • 453K

GTO & CTSv Tech

For the 2004+ New GTO & Holden Monaro and Cadillac CTS/CTSv
502 237K
  • 502
  • 237K

5th Gen Camaro, Pontiac G8

Tech for the 2010+ Camaro and 2008+ Pontiac G8 and any other "Zeta" chassis GM vehicles.
610 184K
  • 610
  • 184K

4th Gen F-Body

1993-2002 Camaro and Firebird/Trans Am specific tech.
33.9K 8.4M
  • 33.9K
  • 8.4M

3rd Gen F-body Tech

1982-1992 Camaro & Firebird/Trans Am specific tech.
1.3K 457K
  • 1.3K
  • 457K

B-body Impala SS/Caprice

Impala SS/Caprice/Roadmaster specific tech.
2.8K 1.2M
  • 2.8K
  • 1.2M

W-Body, LS4 & GM FWD Performance

FWD Grand Prix/GTP, Buick Regal, Monte Carlo, plus other GM FWD platforms. LS4 Tech should go here too.
772 291K
  • 772
  • 291K

Vendor Deals

Advertisements and GP/Sale info from our sponsors. FOR PAYING SITE SPONSORS ONLY
2.6K 965K
  • 2.6K
  • 965K

201 111K
  • 201
  • 111K


For sale classifieds forum. Private party sales only, NO COMMERCIAL BUSINESS ADS PLEASE.
52.4K 11.1M
  • 52.4K
  • 11.1M
Motorsports & Competition

Drag Racing | Road Racing | Autocross

Discuss all forms of motorsports competition here, including drag racing, road racing and autocross. All your newbie questions plus discussing event results, timeslips and experiences, questions about setups, etc. should go here too.
6.6K 1M
  • 6.6K
  • 1M

Kill Stories, Smack Talk & Tall Tales

Post your kills here. Want to talk trash for a big race coming up? Do your smack talking here. Place all the "vs." which-is-better debates here too.Disclaimer: does not endorse illegal street racing. Please buckle up and take it to the track.
19.6K 2.2M
  • 19.6K
  • 2.2M

Staging Lane Lounge

Lounge for general & off-topic discussion forum.
42.9K 3.4M
  • 42.9K
  • 3.4M

Computers & Consumer Electronics

Need help with a computer purchase or spyware removal? Discuss just about anything computer/electronics related here. Just a service for our members since technology is so intertwined with our favorite hobby.
172 50K
  • 172
  • 50K

Auto Industry News

News, rumors and discussion on new cars and general auto industry news.
2.9K 898K
  • 2.9K
  • 898K

Events & Gatherings

Upcoming track dates, meets & events, etc. Also use the Calendar and/or the regional forums.
2K 421K
  • 2K
  • 421K


Post your pictures and links to videos here.
10.1K 1.7M
  • 10.1K
  • 1.7M
Regional Forums

Northeast Region

1.3K 348K
  • 1.3K
  • 348K

Midwest Region

2K 407K
  • 2K
  • 407K

Southeast Region & Texas

2.9K 539K
  • 2.9K
  • 539K

Plains & Mountain States Region & Canada

ND, SD, KS, NE, CO, WY, MT, ID, UT & Canada
449 183K
  • 449
  • 183K

West Coast/Pacific Region & Desert States

CA, OR, WA, NV, AZ, NM, AK and HI
693 243K
  • 693
  • 243K
Latest Posts See all new posts →
  1. Optispark project, need help

    LT1 | LT4 | L99 Engine Tech
  2. Cant pass smog

    LT1 | LT4 | L99 Engine Tech
  3. 96 trans am high rpm vibration

    LT1 | LT4 | L99 Engine Tech
See all new posts →