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New to our forums? Take a minute to introduce yourself, include some pics and info on your new truck, and get to know some of our members here! Been a member for a while but just bought a new truck? This is the place to post pictures and information on your new truck. Please Read The Sticky ATTN NEW MEMBERS: Please fill out your signature and include your location information in your profile!
Are you broken down somewhere and in need of immediate assistance? Post in here, tell us where you are and what's wrong and hopefully some local members will come out and help you. EMERGENCY SITUATIONS ONLY.
GM Diesel Engines
Discuss the seventh generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
Discuss the fifth generation (2011-2016) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
Discuss the fourth generation (2007.5-2010) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
Discuss the third generation (2006-2007.5 LBZ & LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion also belongs in this forum due to the similarities of the 2006 LBZ and the 2006 LLY. Engine related discussion ONLY.
Discuss the second generation (2004.5-2005 LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion belongs in Third Generation forum due to the differences of the 2006 LLY and the 2004.5-2005 LLY. Engine related discussion ONLY.
Discuss the first generation (2001-2004 LB7) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
Discuss the 2.8L Duramax diesel-powered Chevy/GMC and all associated components
Discuss the 3.0L Duramax diesel-powered Chevy and GMC and all associated components
Discuss the 6.5 GM diesel engine & associated components. Automatic transmission questions & problems belong in the 4L80/85 - 4L60E - 6L90 Transmission Forum
Discuss the 6.2 GM diesel engine & associated components.
Discuss any other GM Diesel engines... 5.7l Olds, Chevette Diesel, or anything else that doesn't fit anywhere else...
Discuss new GM diesel engines in development as well as the currently mothballed 4.5L Duramax.
Doing a build? Got questions? Ask here and Share your story (& Photos!) here as it proceeds.
Did you put a 6.5 in a Camaro? A Duramax in a boat? A Cummins in a Chevy? A Powerstroke in a van? Then you must have a touch of the good Dr. Frankenstein. Post your stories, questions, discussions in here... this is intended to be a place to discuss your questions on how to, what to do, etc...
Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. Seventh Generation...
Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. Sixth generation...
Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. Fifth generation..
Discuss front and rear axle, transfer case, brakes, etc. Transmission questions belong in the appropriate transmission forum below. First through fourth generation...
Discuss OEM & aftermarket suspension, lifts, street suspension, air ride suspension, steering components, etc. Seventh generation....
Discuss OEM & aftermarket suspension, lifts, street suspension, air ride suspension, steering components, etc. Sixth Generation...
Discuss OEM & aftermarket suspension, lifts, street suspension, air ride suspension, steering components, etc. Fifth generation...
Discuss OEM & aftermarket suspension, lifts, street suspension, air ride suspension, steering components, etc. First through fourth generation.
Discuss wheels & tires. Sponsored by Discount Tire
Discuss Heating, Ventilation & Air Conditioning related issues on Duramax equipped trucks.
Discuss upholstery, trim, gauges, etc. No audio & electronics please.
Discuss body work, frame, molding, paint, etc. No wheels & tires please.
Discuss anything related to OEM & aftermarket electrical devices including: stereos, speakers, video, batteries, starters, the body control module, lighting, etc.
Discuss products, techniques, intervals, and fluids for maintaining your GM truck including oil and oil additives, fuel and fuel additives, alternative fuels (Bio-D, SVO, WVO), filters, grease, and maintenance specific tools.
Discuss topics and issues related specifically to 3500 Dually GM trucks. Please keep engine and drivetrain topics out of this forum and in their appropriate forums.
Discuss GM Kodiak/Topkicks, 4500/5500 & up medium duty engine & all associated components.
Discuss topics specific to vans equipped with a GM diesel engine.
Discuss Anything Related To Towing With Your Diesel. Any RV-specific discussions belong here.
Discuss repairing & maintaining an OEM Allison automatic transmission.
Discuss aftermarket Allison upgrades as well as repairing & maintaining them.
Discuss repairing & maintaining the OEM ZF-6 manual transmission.
Discuss aftermarket ZF6 upgrades as well as repairing & maintaining them.
Discuss the 4L80/85E transmissions found in the 6.2/6.5L equipped vehicles and Duramax equipped vans. 6L90 discussion.
Power, Performance & Tuning
Discuss 2020+ Duramax engine electronic upgrades including C.A.R.B compliant tuners
Discuss 2017-2019 Duramax engine electronic upgrades including C.A.R.B compliant tuners, etc..
Discuss 2011-2016 Duramax engine electronic upgrades including chips, tuners, programmers, etc.
Discuss 2007.5-2010 LMM Duramax engine electronic upgrades including chips, tuners, programmers, etc.
Discuss 2006-2007.5 LBZ & LLY Duramax engine electronic upgrades including chips, tuners, programmers, etc.
Discuss 2004.5-2005 LLY Duramax engine electronic upgrades including chips, tuners, programmers, etc.
Discuss 2001-2004 LB7 Duramax engine electronic upgrades including chips, tuners, programmers, etc.
Discuss custom tuning & data logging the LB7, LLY, LBZ & LMM Duramax engines as well as the Allison transmission with EFILive software.
Discuss custom tuning & data logging the LB7, LLY, LBZ & LMM Duramax engines
Discuss upgrades to the Duramax fuel system and air system. Bigger turbochargers, more turbo chargers, air boxes, exhaust systems, emissions systems, and fuel pumps all go here.
Discuss the addition and use of propane, nitrous oxide, and water methanol injection.
Anything not covered by the other performance forums.
Post results of drag racing, sled pulling, & dyno events. New personal bests and improvements also belong here. Upcoming events belong in the appropriate events forum.
Discuss truck setup, driver technique, rules, regulations, organizations, etc. for drag racing.
Discuss truck setup, driver technique, rules, regulations, organizations, etc. for sled pulling.
Post your kill & smoke stories, friendly smack talk, bench racing and call outs in this forum.
The Information Place
Listing of Technical Service Bulletins for GM trucks.
No Ads If you're looking to buy a new truck (new to you, or brand new) or selling a truck, come on in and post your questions here...
Request VIN history reports. Read The Sticky "READ BEFORE POSTING-HOW TO GET VIN/BUILD SHEET INFO Effective June 3, 2015"
Discuss all of your General Motors Warranty, Service and Recall related issues here.
Detailed articles containing procedures, steps, & images to aid the do-it-yourselfer plus product reviews.
Discuss any of the GM gas engines & associated components.
Discuss anything farm tractor related.
Discuss anything else - diesel powered or not - including Ford Powerstrokes, Dodge Cummins, Big Rigs, Volkswagon, Mercedes, etc.
Need help figuring out how to hook up a water heater, install a garage door, set a fireplace? Ask in here...
Discuss everything in your shop/garage including tools, machines, layout, etc.
Do you have a favorite recipe? Do you like to eat? Want to talk about it? Come on in...
A forum dedicated to weekend trail warriors, swamp divers, mud eaters ATV's and rock crawlers.
Seen any good, bad, or ugly trucks? Take a pic and post it here...
Do you own a gun? Do you hunt? Have questions about ammo? Come on in...
Discuss the many practical uses for our trucks including towing, hauling, trailering, off-roading, snow plowing, and anything else that comes to mind.
A forum for discussing DIY solutions for your truck and/or your equipment. Share your tips, your ideas, and your solutions... or ask for help from others
Got something you no longer need or want? Looking for a particular item? Post it here. Market Place Rules Apply: https://www.dieselplace.com/threads/marketplace-faq.711938/
Help the community by posting feedback regarding Market Place transactions.
Know of an upcoming event or rally? Wanna talk with others in your area? Looking to create a Club? This is the place to have a discussion.
Any event that will draw a national crowd or is expected to draw a very large crowd. Events may be moved at the discretion of the staff to the appropriate regional forum.
AK - ID - MT - OR - WA - WY
AZ - CA - CO - NM - HI - NV - UT
IA - KS - MN - NE - ND - SD
AR - KS - LA - MS - MO - OK - TX
IL - IN - MI - OH - WI
CT - ME - MA - NH - NJ - NY - PA - RI - VT
DE - DC - KY - MD - NC - TN - VA - WV
AL - FL - GA - SC
Club Forums SUPPORT YOUR CLUB, CHECK IN REGULARLY You can view this main forum for a list of the current clubs including their mission statements, and more information. Diesel Place does not sponsor any of these clubs. all questions or problems need to be directed to the club leaders.
A list of clubs
CTSMOKE members are diesel enthusiasts in CT and bordering states. We use this forum to plan and attend events and offer assistance to one another. Some of the events we participate in are road trips, breakfast gatherings, car/truck shows, and the Northeast Diesel Get Together.
Our group consists of off roaders, daily drivers, highway RV toters, sled pullers, drag racers, dyno queens, show trucks, work trucks, and everything in between. We fit together well and enjoy each other’s company. There’s never a dull moment when we get together!
INDP is Drag racers, Sled pullers and all around diesel enthusiasts. for Indiana residents only.
Louisiana Diesel Truck Association is a group of diesel enthusiasts from all parts of Louisiana, mainly consisting of gm diesel's but all Diesel makes and models are welcome
Serving Michigan DP club members from the U.P. on down!
North Carolina's only all Duramax club. We do a little of all of it modifying our trucks, racing, sled pulling, cruising, getting together to b.s. and so on. If you're in NC this is the place to be to know what is going on.
For all Northern Nevada DP diesel addicts!
Primarily serves BC & Washington - The purpose is to bring all owners of (~GM~ Dodge~ Ford~) together. To have a comfortable place to gather, discuss & answer technical questions, arrange meets, & is open to anyone who shows a passion for trucks in general ( no matter if your stock OR highly modified ) this is a place for you!
Own a 'Burb? Join likeminded owners here.
Sponsors If you are interested in becoming a supporting vendor, please email [email protected]
Latest Posts See all new posts
Wheels & TiresHello everyone I am new to this site and have a question that could sound crazy but here goes. I have a 2019 GMC 3500 HD Denali Dually and want to put some new wheels and tires on my truck. I want to run 35 x 20 x 12.50 but am finding it hard to find wheels that appeal to my taste. I have a 2"...
Wheels & TiresHi, I bought these for my 1993 C2500. Don't know who made them and I'd like to get a replacement center cap. Any ideas? I've researched here and online and found nothing. Thanks.
VansSo rumor has it the van will get the 6.6 gas for 2021 to replace the 6.0. Looks like the transmission will still be the 6 speed. I am wondering if this combo will push 20 MPG on the highway ? The highest I have seen so far in 4x4 trucks with the 3.73 gear is 16-18 MPG highway.
6.5L Diesel EngineHello all, I have a 93 GMC 3500. I got this a week ago from a retired Military member who claims the motor is a 6.5L mechanical motor from the military he bought off a military auction. So, with that said, I noticed what appears to be un-burned fuel on startup and decel. White smoke, but the...