Quote:
Originally Posted by markeb01
That's a pretty common characteristic of these trucks. There just isn't any weight over the rear axle to hold it on the ground under severe braking. I've seen a few do a 180 on the freeway when traffic in front stopped, and the rear end didn't. Pulling to the right is a different problem. Fishtailing under extreme braking will always be there unless a lot of weight is added to the bed.
Mine stops straight - now, because it has a bed cover, plywood & aluminum bed floor, spare tire, tools, a shade tent, chairs, and about 300 pounds of fuel/tank behind the rear axle. Not so good for gas mileage, but it sure inspires confidence in braking.
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This thread got me to go back and do some googling on a topic I had already figured on my own. Brakes locking on the rear and the rear sliding around is a thing that happens with our light rear trucks whether we have discs or drums. Truck Guys with discs will often install an adjustable proportioning valve to fine tune their braking for when they are loaded or unloaded.
Well I decided to Google to find if any were using an adjustable proportioning valve on a drum/drum system, and I found where guys have done it with even cars. They adjust it until they get it just where the backs stop locking up.
They talk about how they have straighter more controllable stops.
It makes sense to me.