Air shocks, Simple affordable and easy to install. I think thats the route I would go.

 

air shocks are simple and affordable, but i have one concern. when you use air shocks to support an abnormally heavy load, much of the weight gets supported by the shock mounts instead of the springs. I understand that shocks see an incredible amount of force while driving, i just dont like the weight being supported on brackets that werent meant to be load bearing.

That being said. i had an 89 s10 that i lowered and needed to put air shocks in to support my 800lbs quad and it did fine for the couple of years I owned it.

 

I had an old Pontiac wagon that had very soft springs. It was made to have more of a comfortable ride than to carry big loads. Since that's all I had back then before I got my truck, I put air shocks on it and it would carry anything I needed. Once time I loaded it up with I don't remember how many sacks of cement (100lb each) and it took it with no problem. The air shocks can carry a lot of weight. One thing though, you never want to have them fully aired and with no weight. First off your a$$ will be in the air, and second it will be a teeth jarring ride. When empty you have to keep them at half or less or you will hate the ride.

 

or another easy alternative is some overloads like i have, the trucks ride didn't change much (i have an Add a Leaf anyway, so shes pretty stiff as is)
but they cost less than 200, and once i adjusted the tension on them (you adjust them when you install, more tension = stiffer ride, and less tension = smoother ride, and for what your doing, you wouldn't need too much

plus with them, install and forget, no need to air up or down

i ordered the 2500 lb ones from JCWhitney, the work great for my application, and would work stellar for what your pulling

 

So been doing some researching and also asked someone on here and he suggested some "timbrens" Any opinions on them? The few reviews on here were ok but would like to get a better answer than "OK"

 

"OK" probably means they worked for some and not for others. It's probably one of those borderline results applications.

 

that reminds me of the time when my shop teacher had to make a run for some cement. I have no idea why we put the bags in one of the kid's cars and not in his truck. But we piled so many bags into this POS car. Imagine a $350 Mazda 323 (like a 1990 Escort) loaded with a bunch of cement bags in the trunk and then 5 people inside the car.