Join Date: Nov 2010
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a little help
The suspension you have on the vehicle already really depends on the config of your vehicle are you in a M1113 Two Door, M1114 Four door, M1152 two door Expanded Capacity Vehicle (ECV), a M1151 Four door (ECV) or an 1165 four door Command and Control vehicle ECV?
The reason I ask this question is because if you are in the M1113 or the M1114 your springs are smaller with a Spring Rate for the front = 2000 lb/in and the rear 3000 lb/in. However, if you are in the M1151, M1152, or M1165 you most likely have upgraded springs and more like 3200 lb/in in the front and 4250 lb/in in the rear.
As for your weight issue all I can say is that for the time being choose carefully the armor package you add to your HMMWV. A fully loaded M1151A1 W/B1 and Frag kits 1, 1A, 2, and 5 weighs in around 13250 lbs before you add the OGPK which is around 800 lbs and your crew and equipment. At 15400 lbs your are approaching the ride load limit for your Load range D tires and you will be operating at 80% of the Chassis' Static load before plastic deformation. AKA maxing it out, the military is working on all these problems so for the moment keep you head down brother and keep safe.