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Has anyone tried to modify their 1/2 ton?

FL_JasonR
Explorer
Explorer
I am looking for a toy hauler to put a golf cart in. I’ve seen a few but they will be about 10,000 pounds after everything is loaded. Current tow capacity on the truck is 9300lbs. With GVWR @ 7,000lbs. I found a shop that will add an extra leaf to the rear end (.47in steel leaf, was told that would add roughly 600lbs each side) and install HD sway bars. Do you think this will be enough to increase my GVWR?
7 REPLIES 7

blt2ski
Moderator
Moderator
I'm going to lock this as it is double posted in towing section.

YES it is NOT illegal to up the gvwr of a vehicle. Aftermarket places do it on a daily basis. They can change the gvwr of said rig. A lot of things get done aftermarket to vehicles. Probably half of the motorhomes on the road have a different gver on them as they have aftermarket tag axles, or the body manufacture wants it to have a gvwr equal to the sum of the axles!

With this all said. The OP may be able to add the add a leafs and be fine. Then again, as noted, something else may break, warranty is out the door.....

Marty
92 Navistar dump truck, 7.3L 7 sp, 4.33 gears with a Detroit no spin
2014 Chevy 1500 Dual cab 4x4
92 Red-e-haul 12K equipment trailer

TomG2
Explorer
Explorer
Buddy put a dually rear axle assembly under his F150. Rear axle could handle a big load, the rest of the truck was soon destroyed. There are some who think axle ratings are all that matters. I disagree.

Trackrig
Explorer II
Explorer II
Adding leafs to the springs or air bags will take care of sagging, but they won't cure your 1/2T brakes, transmission, drive line or the rear axle itself. I don't understand why people buy 1/2T SUVS.

Bill
Nodwell RN110 out moose hunting. 4-53 Detroit, Clark 5 spd, 40" wide tracks, 10:00x20 tires, 16,000# capacity, 22,000# weight. You know the mud is getting deep when it's coming in the doors.

SDcampowneroper
Explorer
Explorer
replies in your other posting say it well. Adding leaf springs, air bags, are not a due load capacity upgrade.
At issue is the safety of your family and us others. Far cheaper and simpler to upgrade your tow vehicle to heavy standard than to make a 1/2 t into a3/4t
a 1/2 t is what it is, a grocery hauler. To attempt to make it do more than designed is not advised.
a well matched truck for load will give many miles and years of good service with no add on costs

Lwiddis
Explorer II
Explorer II
YOU can’t increase your truck’s capacity. That shop can’t increase your truck’s capacity.
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad

Sjm9911
Explorer
Explorer
Even if it did, you still wouldn't be able to safely tow what your listing.
2012 kz spree 220 ks
2020 Silverado 2500
Equalizer ( because i have it)
Formerly a pup owner.

azdryheat
Explorer
Explorer
Legally you cannot increase your GVWR, that is set by the manufacturer. You could tow as is and no one would care.
2013 Chevy 3500HD CC dually
2014 Voltage 3600 toy hauler
2019 RZR 1000XP TRE