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h8pvmnt 04-22-2004, 11:38 PM I am taking delivery of my 2004 GMC SRW Crew cab Long Bed Duramax/Allison Truck tomorrow. I am new to the diesel world. I would like to know what mods/upgrades i should look into first. Also intersted in any advise on filters, lubricants etc. TIA Voodoo 04-23-2004, 07:36 AM h8pvmnt, Welcome to the site and congrats on your new ridehttp://www.dieselplace.com/forum/smileys/Clap.gif. For the mods, do a search for "LLY mods" and "LLY" you will get more than enough info to get started. Also have you dealer check the front and rear differential fluid before you take your new ride home. http://www.dieselplace.com/forum/smileys/Big Smile.gif Mackin 04-23-2004, 09:10 AM Welcome As mentioned check ALL fluids .... Consider some quick crankcase oil drains to remove wear metals and other containments .... Change the Allison Spin on ,retaining the ring magnet ,at 5000 miles ... Change the rear differential and front if 4x4 .....I believe the recomended change was 500 miles ?? I did mine being as anal as I am about this ... I would add a secondary or primary finer fuel filter system ... I prefer OEM Oil Filters .... Enjoy your new ride .... Mac h8pvmnt 04-24-2004, 01:12 PM Thanks for the advise. Still waiting on my spray in beadliner and tool box before i pick it up. I told them to double check the diffs and tranfer case, we will see if it was done when i pick it up. | ||