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  1. GMT400 - The Ultimate 88-98 GM Truck Forum

    Aug 26, 2025 · Threads 401 Messages 7.8K 1994 Chevy 1500 OBS Prerunner Dec 16, 2025 the_elegant_fox

  2. 1988 - 1998 (GMT400) - Chevrolet Forum - Chevy Enthusiasts …

    May 4, 2006 · 1988 - 1998 (GMT400) - 1988 - 1998 (GMT400) - The ultimate forum for latest news, discussions, how-to guides, and technical help on the 1987-1988 Chevrolet and GMC …

  3. How to Install the Holley 12.3" Pro Dash in Your 1988-1994 OBS …

    Mar 28, 2024 · If you're looking to upgrade your 1988-1994 OBS Chevy full-size truck from analog gauges to a modern Holley 12.3" Pro Dash, this guide will walk you through the process. …

  4. 1997 OBS to LS Swap | GMT400 - The Ultimate 88-98 GM Truck …

    Jan 23, 2025 · Hello to all. I am in need help of your professional advise. I have a 97 obs with the 5.7. I searched into upgrading to 383 but now I am looking into doing a swap to a LS 6.0 I …

  5. Basic coilover write up | GMT400 - The Ultimate 88-98 GM Truck …

    Jun 14, 2020 · Belltech OBS Performance Suspension Kit - NEW for 11/2025 - Front and rear coilovers, 4 link rear, etc. Aluminum control arms. Anyone know anything?

  6. 97 chevy cummins swap | GMT400 - The Ultimate 88-98 GM Truck …

    Oct 9, 2014 · Hi I am new to this forum so hope I'm in the right place so i have a 97 chevy with the 5.7 vortec only complaint is gas mileage my drive to work is 53 miles one way and it's …

  7. How To: OBS Door Panel Removal - Chevy and GMC Duramax …

    Oct 30, 2008 · DIY Door panel removal for 00-07 GM Full size trucks FRONT DOORS Tools: Small flat screw driver 7mm (or 9/32) socket, ratchet, extension T-20 torx bit Note: Trucks with …

  8. OBS to NBS brake m/c conversion - gmt400.com

    Jul 2, 2024 · Hi all, I know this topic is well versed and talked about. So much so that it's very confusing. I have a 1998 Chevy Silverado K1500 (4wd) ext pick up 5.7. Id like to put the NBS …

  9. NBS Front Brake Swap for OBS Trucks - GMT400

    Dec 2, 2009 · The ABS wires plugged right in,too. Even the NBS brake hoses fit the OBS brake lines perfect. I went to the NAPA parts store for fresh calipers and rotors and made another …

  10. LS Swap Parts: What to get, and what to avoid. - GMT400

    Apr 24, 2010 · Let's get a little discussion going here. There are literally dozens of LS swappers on this site, and that experience can be vital to those hoping to start or complete a swap, or …