Are You Diesel Enough?
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Generally, what people are describing is drive train shutter. This phenomenon is most common in trucks equipped with the G56 transmission. Usually, there are many related issues that can cause this problem. For one thing; if you have turned up the power of the engine, and now have a clutch, which transfers that extra power more abruptly, the drive train (which is not built for that) will respond by shaking. Worn mounts, u-joints, rear ends and springs can exaggerate this effect. Instability in the rear end, coupled with resistance from a load, are the main reasons this happens. One of the other things that made matters worse is the fact that (for fuel economy) Chrysler began using 3.43 and 3.55 gears in the rear end. They’re great when you’re cruising down the road in overdrive, but backing up from a dead stop…not so much.
There are a few simple and effective things you can do to address this problem.
Since “axle wrap”, or twisting of the axle and rear end housing, are the main culprit, the addition of ladder bars is one of the best things you can do to stabilize things.
If your truck is equipped with 4WD and low range…use it!
Again, since your new clutch is a little “grabbier”, a slight increase in RPM will help to smooth things out.
If you are using oversized tires, realize that they are making matters worse by increasing the amount of resistance on the drive train and re-gearing the axle will be immensely beneficial.
Ashfurd "Ash" West – Sales Technician
Power Products Unlimited, Inc.
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