Feb 1, 2022 · I thought you guys might appreciate some of the work done on my humvee. Here is the video the guys made who did the LS/4l80 swap: Since then I have changed a few things around. Once I get this tune figured out I should be conservatively around 600 hp. Below is some of the early fitting and...

Jun 29, 2020 · I'm buying a Govplanet HMMWV and looking at engine swaps. Naturally the Duramax seems like the best option but the conversion kits from three different suppliers run from 10,000 to 15,000 with out the motor/tranny etc. I think a good option would be a Chevy Crate 454 or 502. It comes in a kit...

Dec 2, 2011 · Listed below are a number of the TM's for the M998 series trucks. To save them to your computer, right click, select "save as". TM-9-2320-280-34.pdf...

Jan 12, 2022 · I know the newer ECV humvees have the bigger cooling system, turbo, A/C, 2 inch body lift, and heavier duty suspension but what else is different? Do these ECV humvees have a stronger frame like the m1123 has over the m998 and do it have any other huge difference, especially in the engine? I'm...

Aug 15, 2016 · Here are scanned copies of the full install instructions, packing slips, and templates for the HMMWV Red Dot A/C Kits. Everything that came with my NOS...

Dec 21, 2016 · Hey guys, So I've been looking into installing a four-speed in my Humvee. And the swap that everyone is doing is though is the 4L80E. The only issue with this is that it needs a computer to work properly and the computer to control it is expensive. So I've been looking cheaper alternatives and...

Feb 23, 2019 · Hey guys, let’s see those humvee wheels and tires! Since most tire shops don’t know much about aftermarket/stock wheels for the humvee! List wheel and tire specs including offset or suspension lift! I’ll start, mine are stock 12 bolt military wheels! Looking to upgrade soon! Follow my build on...

Jun 3, 2017 · Personally I really don't see the point of putting a large displacement gasoline engine in a humvee, but I would like to know the reasons people do this conversion? I use my humvee mainly for off roading and gasoline engines in that setup just seems like you would be crippling the vehicle...

Nov 20, 2017 · How can I visually see the difference between a 6.2L, 6.5L, and 6.5L turbo engine? My m998 was marketed as a 6.5L turbo but has a 3 speed transmission still. I'd just like to confirm that they sold me the right truck.

Mar 22, 2010 · I have a 1985 M998 Humvee with TH350 transmission troubles. All was running fine but one day started it up and the vehicle won't hardly move unless I press the pedal to the floor. It also trys to move forward when placed in reverse. Even placing it in 4WL it still hardly wants to move. The...